NN29, Bedford

NN29, Bedford52.2576, -0.6649from your postcode

Mowing

When you can next cut it, and the best slot this weekend.

Best weekend slot

Nothing doing

Verdict: Not worth it

Nothing to cut — the grass is barely growing (growth potential 0.05).

Wednesday afternoon is your first decent window.

Next mow

Wednesday midday–5pm

Verdict: Touch and go, 55% chance it holds

grass damp — rain falling then

  • Worth watching: Ground still soft. 33mm rain over the last week, medium (loam) soil. A mower will mark it, and a ride-on will rut it. More

The next 10 days

Each row is a day, morning on the left. The more solid a block, the more of the forecast runs agree you can mow. Open a day for the hour-by-hour forecast behind it.

  1. Monday 19 October: no hours worth using. No — grass wet, wet underfoot, rain earlier that day.
    Monday 19 October, hour by hour
    5am6am7am8am9am10am11ammidday1pm2pm3pm4pm5pm6pm7pm8pm
    Chance—————<5%<5%<5%<5%<5%<5%<5%<5%———
    VerdictAlready goneAlready goneAlready goneAlready goneAlready goneForget itForget itForget itForget itForget itForget itForget itForget itdarkdarkdark
    Rainchance·····0%0%3%1%4%0%4%0%0%0%7%
    Rainmm·····———————————
    Grass·····soakedsoakedsoakedsoakedsoakedsoakedsoakedsoakedsoakedsoakedsoaked
    Ground·····firmfirmfirmfirmfirmfirmfirmfirmfirmfirmfirm
    Temp·····10°11°11°12°12°12°12°12°12°11°11°
    Windkm/h·····9879991112586
    Daylight·····✓✓✓✓✓✓✓✓———

    Growth: barely growing (growth potential 0.15). Enough to be worth cutting. Growth decides whether a cut is wanted, not how well it will go, so it is not one of the rows above and does not move the chances.Chance is the share of 94 forecast runs — the same weather models re-run from slightly different starting conditions — in which you could have mowed that hour. The rows below it are what those runs expect on average, which is why an hour can look reasonable line by line and still fall short: the chance only counts runs where everything came together at once. Hover any cell for what the runs that ruled it out actually hit.

    Monday 19 OctoberConfident

    No — grass wet, wet underfoot, rain earlier that day.

    <5% forget it. Almost every run found the grass too wet.

    Limiting factor:grass wetness

  2. Tuesday 20 October: no hours worth using. No — 0.1mm of rain falling.
    Tuesday 20 October, hour by hour
    5am6am7am8am9am10am11ammidday1pm2pm3pm4pm5pm6pm7pm8pm
    Chance———<5%<5%<5%<5%<5%<5%<5%<5%<5%<5%———
    VerdictdarkdarkdarkForget itForget itForget itForget itForget itForget itForget itForget itForget itForget itdarkdarkdark
    Rainchance56%62%61%66%59%67%67%67%57%63%68%50%39%29%33%11%
    Rainmm0.40.40.50.60.60.70.910.70.70.60.40.30.20.20.1
    Grasssoakedsoakedsoakedsoakedsoakedsoakedsoakedsoakedsoakedsoakedsoakedsoakedsoakedsoakedsoakedsoaked
    Groundfirmfirmfirmfirmfirmfirmfirmfirmfirmsoftsoftsoftsoftsoftsoftsoft
    Temp12°11°11°11°11°11°11°11°11°12°12°12°12°12°12°12°
    Windkm/h14161515171516141310999111014
    Daylight———✓✓✓✓✓✓✓✓✓✓———

    Growth: barely growing (growth potential 0.18). Enough to be worth cutting. Growth decides whether a cut is wanted, not how well it will go, so it is not one of the rows above and does not move the chances.Chance is the share of 94 forecast runs — the same weather models re-run from slightly different starting conditions — in which you could have mowed that hour. The rows below it are what those runs expect on average, which is why an hour can look reasonable line by line and still fall short: the chance only counts runs where everything came together at once. Hover any cell for what the runs that ruled it out actually hit.

    Tuesday 20 OctoberConfident

    No — 0.1mm of rain falling.

    <5% forget it. Almost every run found the grass too wet.

    Limiting factor:grass wetness

  3. Wednesday 21 October: nothing to cut. Nothing to cut — the grass is barely growing (growth potential 0.07).
    Wednesday 21 October, hour by hour
    5am6am7am8am9am10am11ammidday1pm2pm3pm4pm5pm6pm7pm8pm
    Chance———<5%<5%<5%<5%<5%<5%<5%<5%<5%<5%———
    Verdictnothing to cut — the grass is barely growingnothing to cut — the grass is barely growingnothing to cut — the grass is barely growingnothing to cut — the grass is barely growingnothing to cut — the grass is barely growingnothing to cut — the grass is barely growingnothing to cut — the grass is barely growingnothing to cut — the grass is barely growingnothing to cut — the grass is barely growingnothing to cut — the grass is barely growingnothing to cut — the grass is barely growingnothing to cut — the grass is barely growingnothing to cut — the grass is barely growingnothing to cut — the grass is barely growingnothing to cut — the grass is barely growingnothing to cut — the grass is barely growing
    Rainchance22%28%29%45%43%41%34%29%29%22%30%22%21%19%19%11%
    Rainmm0.20.10.30.40.40.30.40.30.20.30.30.20.20.30.10.1
    Grasssoakedsoakedsoakedsoakedsoakedsoakedsoakedsoakedsoakedsoakedsoakedsoakedsoakedsoakedsoakedsoaked
    Groundsoftsoftsoftsoftsoftsoftsoftsoftsoftsoftsoftsoftsoftsoftsoftsoft
    Temp9°8°8°9°9°9°9°9°10°11°11°11°10°9°7°7°
    Windkm/h691013121415151514141522303532
    Daylight———✓✓✓✓✓✓✓✓✓✓———

    Growth: barely growing (growth potential 0.07). Not enough to be worth cutting, which is why no hour is recommended today whatever the weather does.Chance is the share of 94 forecast runs — the same weather models re-run from slightly different starting conditions — in which you could have mowed that hour. The rows below it are what those runs expect on average, which is why an hour can look reasonable line by line and still fall short: the chance only counts runs where everything came together at once. Hover any cell for what the runs that ruled it out actually hit.

    Wednesday 21 OctoberConfident

    Nothing to cut — the grass is barely growing (growth potential 0.07).

    <5% nothing to cut. Almost every run found the grass barely growing.

    Nothing to cut. The odds below describe the weather only — growth decides whether a cut is wanted, and it is judged separately.

    Limiting factor:growth

  4. Thursday 22 October: nothing to cut. Nothing to cut — the grass is barely growing (growth potential 0.05). Conditions themselves are fine.
    Thursday 22 October, hour by hour
    5am6am7am8am9am10am11ammidday1pm2pm3pm4pm5pm6pm7pm8pm
    Chance———<5%<5%<5%<5%<5%10%35%55%65%60%———
    Verdictnothing to cut — the grass is barely growingnothing to cut — the grass is barely growingnothing to cut — the grass is barely growingnothing to cut — the grass is barely growingnothing to cut — the grass is barely growingnothing to cut — the grass is barely growingnothing to cut — the grass is barely growingnothing to cut — the grass is barely growingnothing to cut — the grass is barely growingnothing to cut — the grass is barely growingnothing to cut — the grass is barely growingnothing to cut — the grass is barely growingnothing to cut — the grass is barely growingnothing to cut — the grass is barely growingnothing to cut — the grass is barely growingnothing to cut — the grass is barely growing
    Rainchance10%26%22%3%2%4%3%2%3%9%6%10%15%20%18%48%
    Rainmm—0.10.1—————————0.10.10.10.5
    Grasssoakedsoakedsoakedsoakedsoakedsoakedsoakedsoakedsoakedwetwetdampwetwetwetsoaked
    Groundsoftsoftsoftsoftsoftsoftsoftsoftsoftsoftsoftsoftsoftsoftsoftsoft
    Temp4°4°4°5°5°7°8°9°10°11°11°11°10°9°9°8°
    Windkm/h9888991113141413131110911
    Daylight———✓✓✓✓✓✓✓✓✓✓———

    Growth: barely growing (growth potential 0.05). Not enough to be worth cutting, which is why no hour is recommended today whatever the weather does.Chance is the share of 94 forecast runs — the same weather models re-run from slightly different starting conditions — in which you could have mowed that hour. The rows below it are what those runs expect on average, which is why an hour can look reasonable line by line and still fall short: the chance only counts runs where everything came together at once. Hover any cell for what the runs that ruled it out actually hit.

    Thursday 22 OctoberReasonably confident

    Nothing to cut — the grass is barely growing (growth potential 0.05). Conditions themselves are fine.

    65% nothing to cut. About 1 run in 3 found the grass barely growing.

    Nothing to cut. The odds below describe the weather only — growth decides whether a cut is wanted, and it is judged separately.

    Limiting factor:growth

  5. Friday 23 October: nothing to cut. Nothing to cut — the grass is barely growing (growth potential 0.07).
    Friday 23 October, hour by hour
    5am6am7am8am9am10am11ammidday1pm2pm3pm4pm5pm6pm7pm8pm
    Chance———<5%<5%<5%<5%<5%<5%<5%<5%<5%<5%———
    Verdictnothing to cut — the grass is barely growingnothing to cut — the grass is barely growingnothing to cut — the grass is barely growingnothing to cut — the grass is barely growingnothing to cut — the grass is barely growingnothing to cut — the grass is barely growingnothing to cut — the grass is barely growingnothing to cut — the grass is barely growingnothing to cut — the grass is barely growingnothing to cut — the grass is barely growingnothing to cut — the grass is barely growingnothing to cut — the grass is barely growingnothing to cut — the grass is barely growingnothing to cut — the grass is barely growingnothing to cut — the grass is barely growingnothing to cut — the grass is barely growing
    Rainchance50%50%46%35%43%40%45%34%25%31%40%38%23%35%21%15%
    Rainmm0.50.40.40.30.50.30.40.30.20.20.40.40.20.40.20.1
    Grasssoakedsoakedsoakedsoakedsoakedsoakedsoakedsoakedsoakedsoakedsoakedsoakedsoakedsoakedsoakedsoaked
    Groundsoggysoggybogbogsoggysoggysoggybogbogbogbogsoggysoggysoggysoggysoggy
    Temp11°10°10°9°9°9°8°9°9°8°8°7°7°6°6°6°
    Windkm/h18181714121220324144454443403836
    Daylight———✓✓✓✓✓✓✓✓✓✓———

    Growth: barely growing (growth potential 0.07). Not enough to be worth cutting, which is why no hour is recommended today whatever the weather does.Chance is the share of 94 forecast runs — the same weather models re-run from slightly different starting conditions — in which you could have mowed that hour. The rows below it are what those runs expect on average, which is why an hour can look reasonable line by line and still fall short: the chance only counts runs where everything came together at once. Hover any cell for what the runs that ruled it out actually hit.

    Friday 23 OctoberReasonably confident

    Nothing to cut — the grass is barely growing (growth potential 0.07).

    <5% nothing to cut. Almost every run found the grass barely growing.

    Nothing to cut. The odds below describe the weather only — growth decides whether a cut is wanted, and it is judged separately.

    Limiting factor:growth

  6. Saturday 24 October: nothing to cut. Nothing to cut — the grass is barely growing (growth potential 0.05).
    Saturday 24 October, hour by hour
    5am6am7am8am9am10am11ammidday1pm2pm3pm4pm5pm6pm7pm8pm
    Chance———20%20%25%30%40%45%50%50%45%40%———
    Verdictnothing to cut — the grass is barely growingnothing to cut — the grass is barely growingnothing to cut — the grass is barely growingnothing to cut — the grass is barely growingnothing to cut — the grass is barely growingnothing to cut — the grass is barely growingnothing to cut — the grass is barely growingnothing to cut — the grass is barely growingnothing to cut — the grass is barely growingnothing to cut — the grass is barely growingnothing to cut — the grass is barely growingnothing to cut — the grass is barely growingnothing to cut — the grass is barely growingnothing to cut — the grass is barely growingnothing to cut — the grass is barely growingnothing to cut — the grass is barely growing
    Rainchance2%5%11%4%9%7%9%8%12%18%16%24%22%22%16%22%
    Rainmm—0.10.1—0.10.10.10.20.10.30.20.60.40.60.50.4
    Grasssoakedsoakedsoakedsoakedsoakedsoakedwetwetdampdampdampdampwetwetwetsoaked
    Groundsoggysoggysoggysoggysoggysoggysoggysoftsoftsoftsoftsoftsoftsoftsoftsoft
    Temp6°5°5°6°6°7°8°9°10°10°10°10°9°8°7°8°
    Windkm/h25232121212120201919191918171719
    Daylight———✓✓✓✓✓✓✓✓✓✓———

    Growth: barely growing (growth potential 0.05). Not enough to be worth cutting, which is why no hour is recommended today whatever the weather does.Chance is the share of 94 forecast runs — the same weather models re-run from slightly different starting conditions — in which you could have mowed that hour. The rows below it are what those runs expect on average, which is why an hour can look reasonable line by line and still fall short: the chance only counts runs where everything came together at once. Hover any cell for what the runs that ruled it out actually hit.

    Saturday 24 OctoberLow confidence this far out

    Nothing to cut — the grass is barely growing (growth potential 0.05).

    50% nothing to cut. About half the runs found the grass barely growing.

    Nothing to cut. The odds below describe the weather only — growth decides whether a cut is wanted, and it is judged separately.

    Limiting factor:growth

  7. Sunday 25 October: no hours worth using. No — 0.1mm of rain falling.
    Sunday 25 October, hour by hour
    5am6am7am8am9am10am11ammidday1pm2pm3pm4pm5pm6pm7pm8pm
    Chance——5%5%5%10%20%30%45%45%50%60%————
    VerdictdarkdarkForget itForget itForget itForget itPushing itPushing itTouch and goTouch and goTouch and goTouch and godarkdarkdarkdark
    Rainchance18%10%18%14%6%12%18%8%14%6%20%12%14%14%10%8%
    Rainmm0.20.10.10.3—0.10.20.10.10.10.30.10.10.20.10.1
    Grasssoakedsoakedsoakedsoakedsoakedsoakedsoakedwetdampdampdampdampdampdampdampdamp
    Groundsoggysoggysoggysoggysoggysoggysoggysoggysoggysoggysoggysoftsoftsoftsoftsoft
    Temp14°14°15°15°16°16°17°16°16°15°14°13°12°11°11°10°
    Windkm/h22242729323436373736353433323232
    Daylight——✓✓✓✓✓✓✓✓✓✓————

    Growth: growing slowly (growth potential 0.28). Enough to be worth cutting. Growth decides whether a cut is wanted, not how well it will go, so it is not one of the rows above and does not move the chances.Chance is the share of 94 forecast runs — the same weather models re-run from slightly different starting conditions — in which you could have mowed that hour. The rows below it are what those runs expect on average, which is why an hour can look reasonable line by line and still fall short: the chance only counts runs where everything came together at once. Hover any cell for what the runs that ruled it out actually hit.

    Sunday 25 OctoberLow confidence this far out

    No — 0.1mm of rain falling.

    60% touch and go. About 1 run in 3 found the grass too wet.

    Limiting factor:grass wetness

  8. Monday 26 October: nothing to cut. Nothing to cut — the grass is barely growing (growth potential 0.06).
    Monday 26 October, hour by hour
    5am6am7am8am9am10am11ammidday1pm2pm3pm4pm5pm6pm7pm8pm
    Chance——35%30%30%35%35%35%30%30%30%30%————
    Verdictnothing to cut — the grass is barely growingnothing to cut — the grass is barely growingnothing to cut — the grass is barely growingnothing to cut — the grass is barely growingnothing to cut — the grass is barely growingnothing to cut — the grass is barely growingnothing to cut — the grass is barely growingnothing to cut — the grass is barely growingnothing to cut — the grass is barely growingnothing to cut — the grass is barely growingnothing to cut — the grass is barely growingnothing to cut — the grass is barely growingnothing to cut — the grass is barely growingnothing to cut — the grass is barely growingnothing to cut — the grass is barely growingnothing to cut — the grass is barely growing
    Rainchance14%10%20%14%10%10%20%14%20%10%16%16%18%12%12%18%
    Rainmm0.30.10.20.10.10.10.20.20.30.10.30.30.30.10.10.2
    Grasswetwetwetwetwetwetwetwetwetwetwetwetwetwetwetwet
    Groundsoftsoftsoftsoftsoftsoftsoftsoftsoftsoftsoftsoftsoftsoftsoftsoft
    Temp6°6°7°7°8°9°9°10°10°10°10°10°10°10°10°10°
    Windkm/h11111113151719191714101011121110
    Daylight——✓✓✓✓✓✓✓✓✓✓————

    Growth: barely growing (growth potential 0.06). Not enough to be worth cutting, which is why no hour is recommended today whatever the weather does.Chance is the share of 94 forecast runs — the same weather models re-run from slightly different starting conditions — in which you could have mowed that hour. The rows below it are what those runs expect on average, which is why an hour can look reasonable line by line and still fall short: the chance only counts runs where everything came together at once. Hover any cell for what the runs that ruled it out actually hit.

    Monday 26 OctoberLow confidence this far out

    Nothing to cut — the grass is barely growing (growth potential 0.06).

    35% nothing to cut. About 2 runs in 3 found the grass barely growing.

    Nothing to cut. The odds below describe the weather only — growth decides whether a cut is wanted, and it is judged separately.

    Limiting factor:growth

  9. Tuesday 27 October: no hours worth using. No — 0.8mm of rain falling.
    Tuesday 27 October, hour by hour
    5am6am7am8am9am10am11ammidday1pm2pm3pm4pm5pm6pm7pm8pm
    Chance——25%20%20%25%25%35%40%45%40%40%————
    VerdictdarkdarkPushing itPushing itPushing itPushing itPushing itPushing itTouch and goTouch and goPushing itPushing itdarkdarkdarkdark
    Rainchance16%14%18%18%10%16%10%20%12%22%20%25%14%14%0%4%
    Rainmm0.20.20.20.20.20.10.20.2—0.20.20.20.10.1—0.1
    Grasssoakedwetsoakedsoakedsoakedsoakedwetwetwetwetwetwetwetdampdampdamp
    Groundsoftsoftsoftsoftsoftsoftsoftsoftsoftsoftsoftsoftsoftsoftsoftsoft
    Temp14°15°15°15°15°14°14°14°13°13°13°12°12°12°12°11°
    Windkm/h27293030313334343432292624222121
    Daylight——✓✓✓✓✓✓✓✓✓✓————

    Growth: growing slowly (growth potential 0.24). Enough to be worth cutting. Growth decides whether a cut is wanted, not how well it will go, so it is not one of the rows above and does not move the chances.Chance is the share of 94 forecast runs — the same weather models re-run from slightly different starting conditions — in which you could have mowed that hour. The rows below it are what those runs expect on average, which is why an hour can look reasonable line by line and still fall short: the chance only counts runs where everything came together at once. Hover any cell for what the runs that ruled it out actually hit.

    Tuesday 27 OctoberLow confidence this far out

    No — 0.8mm of rain falling.

    45% touch and go. About half the runs found the grass too wet.

    Limiting factor:grass wetness

  10. Wednesday 28 October: 5 hours worth using. midday–5pm — grass damp — rain falling then
    Wednesday 28 October, hour by hour
    5am6am7am8am9am10am11ammidday1pm2pm3pm4pm5pm6pm7pm8pm
    Chance——50%50%55%55%60%70%75%80%85%90%————
    VerdictdarkdarkTouch and goTouch and goTouch and goTouch and goTouch and goGood to goGood to goGood to goGood to goPrime timedarkdarkdarkdark
    Rainchance18%0%8%0%2%4%2%4%4%4%8%2%2%12%6%2%
    Rainmm0.1———————————————
    Grasswetwetdampdampdampdampdampdampdampdrydrydrydrydrydrydry
    Groundsoftsoftsoftsoftsoftsoftsoftsoftsoftsoftsoftsoftsoftsoftsoftsoft
    Temp9°9°9°10°11°12°13°13°14°13°13°13°13°13°13°13°
    Windkm/h15151517192122242424242423232323
    Daylight——✓✓✓✓✓✓✓✓✓✓————

    Growth: barely growing (growth potential 0.17). Enough to be worth cutting. Growth decides whether a cut is wanted, not how well it will go, so it is not one of the rows above and does not move the chances.Chance is the share of 94 forecast runs — the same weather models re-run from slightly different starting conditions — in which you could have mowed that hour. The rows below it are what those runs expect on average, which is why an hour can look reasonable line by line and still fall short: the chance only counts runs where everything came together at once. Hover any cell for what the runs that ruled it out actually hit.

    Wednesday 28 October · midday–5pmLow confidence this far out

    midday–5pm — grass damp — rain falling then

    55% touch and go — the chance it holds right through, not the chance at any one hour. About half the runs found the grass too wet.

    Limiting factor:grass wetness

good to go touch and go dark, frost or snow already goneFainter means fewer forecast runs agree.

How you feel about mowing

Sensible middle ground.

Petrol or battery. The baseline.

Growth

How fast it is growing, and when it will need cutting again.

15%Barely growing

Of the fastest this grass could grow. The turf-industry measure, from today's temperature and day length.

The lawn is barely growing, so it does not need cutting. Leave it — taking leaf off a sward that cannot replace it costs more than it gives.

Held back by both temperature and short days — 10.4 hours of daylight at 11°C.

Over the next 10 days
about 5mm of leaf
Next cut due
not within the next ten days

This only knows temperature and day length. Feeding, watering, shade and cutting height all move it, so treat it as a rough guide.

Worked out from the PACE Turf growth potential model and day length —how and why.

Seeding

Soil temperature at germination depth, and when the window opens.

Soil temperature in NN29, Bedford

10.1°C50°F

at 6cm — germination depth

Soil is warming — it should cross 9°C in about 8 days, though the forecast doesn't run far enough to confirm it holds.

Holding steady over the next 10 days.

Cross-checks against an independent estimate from air temperature (10.7°C), which agrees to within 0.4°C.

Almost every UK and Irish lawn is a ryegrass and fescue mix, whether it was sown or turfed. We assume that, and use 9°C as the seeding threshold.

Thresholds for every species

The differences are small. Ryegrass is the quickest off the mark; bluegrass is the slowest and wants the warmest soil. Everything else sits between.

Soil temperature at 6cm for reliable germination. Sources onthe method page.
SpeciesSoil neededDays to sprout
Perennial ryegrasslikely yours8°C5–10
Red / chewings fescuelikely yours8–10°C10–14
Tall fescue10–12°C10–14
Browntop bentColonial bentgrass10–12°C14–21
Smooth-stalked meadow grassKentucky bluegrass12–13°C14–28

Feeding

Why timing decides whether a feed does anything at all.

Coming in the app

Grass takes up nitrogen when it is growing. Feed a lawn that has stopped and most of it washes past the roots — which is why timing beats product choice.

Right now this lawn is not growing fast enough to make much use of a feed.

The app will work out the actual feeding windows for your lawn — along with weed control, scarifying and moss treatment — and tell you when they open without you having to check.

Why timing beats product choice

NN29, Bedford in detail

Soil temperature in NN29, Bedford is currently 10.1°C at 6cm, and barely moving. That depth matters because it is where grass seed sits and where roots start working, and it lags air temperature by days — which is why a warm afternoon here tells you very little on its own.

Lawns in this area are typically perennial ryegrass with fescue, which is what most lawns round here are sown with. That blend needs the soil to hold above 9°C before seed germinates reliably. Soil is warming — it should cross 9°C in about 8 days, though the forecast doesn't run far enough to confirm it holds.

None of the next 10 days are worth getting the mower out for. As for the weekend: nothing doing. Nothing to cut — the grass is barely growing (growth potential 0.05).

The next recommended window in NN29 opens at midday on Wednesday 28 October, because the rain clears by then. Underfoot, the ground reads as firm after 8mm rain over the last week, medium (loam) soil.

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Chances counted across 94 forecast runs from MOGREPS-UK, 2km and ICON-EU-EPS, 7km and ECMWF IFS ensemble, 25km. Forecast from Open-Meteo, refreshed through the day. Soil temperature is modelled, not measured — how that works and where the thresholds come from.