What is the soil temperature in Truro, England?

Soil temperature at 6cm in Truro, England is currently 15.7°C. Seeding conditions are open — soil is 15.7°C at 6cm and holding above 9°C.

Soil temperature in Truro, England

Soil temperature

15.7°C60°F

at 6cm — germination depth

Cooling over the next 11 days.

Seeding conditions are open — soil is 15.7°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.
Species	Soil temp	Days
Perennial ryegrasslikely yours	8°C	5–10
Red / chewings fescuelikely yours	8–10°C	10–14
Tall fescue	10–12°C	10–14
Browntop bentColonial bentgrass	10–12°C	14–21
Smooth-stalked meadow grassKentucky bluegrass	12–13°C	14–28

Soil temperature at 6cm in Truro, England is currently 15.7°C, and falling about 2.3°C over the next 11 days. 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. Seeding conditions are open — soil is 15.7°C at 6cm and holding above 9°C.

8 of the next 10 days are good mowing days. The best weekend slot right now is Sunday 10am–5pm, on the basis that rain earlier today, ground firm.

The next recommended window in Truro opens at 10am on Wednesday 2 September, because the rain clears by then. Underfoot, the ground reads as firm after 28mm rain over the last week.

See the full mowing forecast for Truro

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 18.3°C cooling to 15.5°C

Wednesday 2 September · 10am–11amConfident

10am–11am — dried off since a shower 1 hour ago, ground firm

Good:Grass wetness: Grass drydried off since a shower 0 hours ago
Good:Ground firmness: Ground firm28mm rain over the last week
Good:Growth: Growing wellgrowth potential 0.96
Good:Temperature: Temperature17°C
Good:Wind: Wind light14 km/h
Sociable hours: Fine by the neighboursstarts once the rain has passed

Limiting factor:none

Thursday 3 September · 8am–9pmConfident

8am–9pm — rain earlier today, ground firm

Good:Grass wetness: Grass dryrain earlier today
Good:Ground firmness: Ground firm27mm rain over the last week
Good:Growth: Growing wellgrowth potential 1.00
Good:Temperature: Temperature19°C
Good:Wind: Wind light15 km/h
Sociable hours: A bit early or late, but finestarts once the dew has burnt off

Limiting factor:none

Friday 4 September · 2pm–8pmConfident

2pm–8pm — dried off since a shower 1 hour ago, ground firm

Good:Grass wetness: Grass drydried off since a shower 0 hours ago
Good:Ground firmness: Ground firm21mm rain over the last week
Good:Growth: Growing wellgrowth potential 0.97
Good:Temperature: Temperature19°C
Good:Wind: Wind light21 km/h
Sociable hours: Fine by the neighboursstarts once the rain has passed

Limiting factor:none

Saturday 5 September · 8am–2pmConfident

8am–2pm — rain earlier today, ground firm

Good:Grass wetness: Grass dryrain earlier today
Good:Ground firmness: Ground firm20mm rain over the last week
Good:Growth: Growing wellgrowth potential 0.88
Good:Temperature: Temperature15°C
Good:Wind: Wind light4 km/h
Sociable hours: A bit early or late, but finestarts when it stops being antisocial

Limiting factor:none

Sunday 6 September · 10am–5pmReasonably confident

10am–5pm — rain earlier today, ground firm

Good:Grass wetness: Grass dryrain earlier today
Good:Ground firmness: Ground firm10mm rain over the last week
Good:Growth: Growing wellgrowth potential 0.97
Good:Temperature: Temperature18°C
Good:Wind: Wind light12 km/h
Sociable hours: Fine by the neighboursstarts when it stops being antisocial

Limiting factor:none

Monday 7 September · 8am–8pmReasonably confident

8am–8pm — rain earlier today, ground firm

Good:Grass wetness: Grass dryrain earlier today
Good:Ground firmness: Ground firm6mm rain over the last week
Good:Growth: Growing wellgrowth potential 0.88
Good:Temperature: Temperature14°C
Good:Wind: Wind light9 km/h
Sociable hours: A bit early or late, but finestarts when it stops being antisocial

Limiting factor:none

Tuesday 8 SeptemberReasonably confident

No — 0.2mm of rain falling.

Poor:Grass wetness: Grass wetraining now
Good:Ground firmness: Ground firm5mm rain over the last week
Good:Growth: Growing wellgrowth potential 0.84
Good:Temperature: Temperature16°C
Good:Wind: Wind light13 km/h

Limiting factor:grass wetness

Wednesday 9 September · 8am–2pmReasonably confident

8am–2pm — ground firm — 23mm rain over the last week

Good:Grass wetness: Grass drydried off since a shower 0 hours ago
Good:Ground firmness: Ground firm23mm rain over the last week
Good:Growth: Growing wellgrowth potential 0.55
Good:Temperature: Temperature14°C
Good:Wind: Wind light20 km/h
Sociable hours: A bit early or late, but finestarts once the rain has passed

Limiting factor:ground firmness

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

8am–8pm — rain earlier today, ground firm

Good:Grass wetness: Grass dryrain earlier today
Good:Ground firmness: Ground firm23mm rain over the last week
Good:Growth: Growing steadilygrowth potential 0.45
Good:Temperature: Temperature10°C
Good:Wind: Wind light5 km/h
Sociable hours: A bit early or late, but finestarts when it stops being antisocial

Limiting factor:none

Friday 11 SeptemberLow confidence this far out

No — 0.3mm of rain falling.

Poor:Grass wetness: Grass dryno rain since Wednesday
Good:Ground firmness: Ground firm23mm rain over the last week
Good:Growth: Growing wellgrowth potential 0.64
Good:Temperature: Temperature14°C
Good:Wind: Wind light15 km/h

Limiting factor:none

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