Kilkenny, Leinster

Best weekend slot

Sunday 8pm–9pm

Verdict: Good

ground soft — 44mm rain over the last week

Next mow

Tomorrow 9am–3pm

Verdict: Good

ground soft — 61mm rain over the last week

How you feel about mowing

Sensible middle ground.

Petrol or battery. The baseline.

The next 10 days

Column height is how mowable the day is; the lighter band is the best stretch within it. The line is soil temperature at 6cm.

9°C — seeding

Soil at 6cm 17.7°C cooling to 13.8°C

Wednesday 2 September: Good. No — ground soft, 50mm rain over the last week.

Wednesday 2 SeptemberConfident

No — ground soft, 50mm rain over the last week.

Marginal:Grass wetness
Grass dryrain earlier today
Poor:Ground firmness
Ground soft50mm rain over the last week
Good:Growth
Growing wellgrowth potential 0.98
Good:Temperature
Temperature17°C
Good:Wind
Wind light9 km/h

Limiting factor:ground firmness

Thursday 3 September: Good. 9am–3pm — ground soft — 61mm rain over the last week

Thursday 3 September · 9am–3pmConfident

9am–3pm — ground soft — 61mm rain over the last week

Good:Grass wetness
Grass dryrain earlier today
Poor:Ground firmness
Ground soft61mm rain over the last week
Good:Growth
Growing wellgrowth potential 0.95
Good:Temperature
Temperature16°C
Good:Wind
Wind light6 km/h
Sociable hours
A bit early or late, but finestarts when it stops being antisocial

Limiting factor:ground firmness

Friday 4 September: Good. 7pm–9pm — ground soft — 49mm rain over the last week

Friday 4 September · 7pm–9pmConfident

7pm–9pm — ground soft — 49mm rain over the last week

Marginal:Grass wetness
Grass dryrain earlier today
Poor:Ground firmness
Ground soft49mm rain over the last week
Good:Growth
Growing wellgrowth potential 0.67
Good:Temperature
Temperature14°C
Good:Wind
Wind light15 km/h
Sociable hours
A bit early or late, but finestarts when it stops being antisocial

Limiting factor:ground firmness

Saturday 5 September: Good. No — 0.9mm of rain falling.

Saturday 5 SeptemberConfident

No — 0.9mm of rain falling.

Marginal:Grass wetness
Grass dryno rain since Friday
Poor:Ground firmness
Ground soft52mm rain over the last week
Good:Growth
Growing steadilygrowth potential 0.38
Good:Temperature
Temperature11°C
Good:Wind
Wind light3 km/h

Limiting factor:ground firmness

Sunday 6 September: Good. 8pm–9pm — ground soft — 44mm rain over the last week

Sunday 6 September · 8pm–9pmReasonably confident

8pm–9pm — ground soft — 44mm rain over the last week

Poor:Grass wetness
Grass dryrain 1 hour ago
Poor:Ground firmness
Ground soft44mm rain over the last week
Good:Growth
Growing wellgrowth potential 0.89
Good:Temperature
Temperature18°C
Good:Wind
Wind light24 km/h
Sociable hours
Your neighbours will remember itstarts once the rain has passed

Limiting factor:ground firmness

Monday 7 September: Good. 8am–2pm — ground soft — 34mm rain over the last week

Monday 7 September · 8am–2pmReasonably confident

8am–2pm — ground soft — 34mm rain over the last week

Good:Grass wetness
Grass dryrain earlier today
Marginal:Ground firmness
Ground soft in places34mm rain over the last week
Good:Growth
Growing wellgrowth potential 0.62
Good:Temperature
Temperature13°C
Good:Wind
Wind light14 km/h
Sociable hours
A bit early or late, but finestarts when it stops being antisocial

Limiting factor:ground firmness

Tuesday 8 September: Good. No — 0.8mm of rain falling.

Tuesday 8 SeptemberReasonably confident

No — 0.8mm of rain falling.

Poor:Grass wetness
Grass slightly damprain earlier today
Poor:Ground firmness
Ground saturated37mm rain over the last week
Good:Growth
Growing wellgrowth potential 0.62
Good:Temperature
Temperature12°C
Good:Wind
Wind light5 km/h

Limiting factor:ground firmness

Wednesday 9 September: Good. No — ground waterlogged.

Wednesday 9 SeptemberReasonably confident

No — ground waterlogged.

Marginal:Grass wetness
Grass dryrain earlier today
Poor:Ground firmness
Ground saturated51mm rain over the last week
Marginal:Growth
Growing slowlygrowth potential 0.32
Good:Temperature
Temperature10°C
Good:Wind
Wind light21 km/h

Limiting factor:ground firmness

Thursday 10 September: Good. 8am–8pm — ground soft — 37mm rain over the last week

Thursday 10 September · 8am–8pmLow confidence this far out

8am–8pm — ground soft — 37mm rain over the last week

Good:Grass wetness
Grass dryno rain since Wednesday
Poor:Ground firmness
Ground soft37mm rain over the last week
Marginal:Growth
Growing slowlygrowth potential 0.30
Good:Temperature
Temperature10°C
Good:Wind
Wind light4 km/h
Sociable hours
A bit early or late, but finestarts when it stops being antisocial

Limiting factor:ground firmness

Friday 11 September: Not worth it. No — 0.1mm of rain falling.

Friday 11 SeptemberLow confidence this far out

No — 0.1mm of rain falling.

Good:Grass wetness
Grass dryno rain since Wednesday
Marginal:Ground firmness
Ground soft32mm rain over the last week
Good:Growth
Growing steadilygrowth potential 0.49
Good:Temperature
Temperature11°C
Good:Wind
Wind light11 km/h

Limiting factor:ground firmness

Soil temperature

14.7°C58°F

at 6cm — germination depth

Cooling over the next 11 days.

Seeding conditions are open — soil is 14.7°C at 6cm and holding above 9°C.

Almost every UK and Irish lawn is a ryegrass and fescue mix, whether it was sown or turfed. We assume that, and use9°C as the seeding threshold.

I know what grass I have

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 tempDays
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

What this means right now

  • Good: Seeding window open

    Seeding conditions are open — soil is 14.7°C at 6cm and holding above 9°C.

  • Worth watching: Ground still soft

    50mm rain over the last week. A mower will mark it, and a ride-on will rut it.

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Forecast from Open-Meteo, refreshed hourly. Soil temperature is modelled, not measured — how that works and where the thresholds come from.