What is the soil temperature in Armagh, Northern Ireland?

Soil temperature at 6cm in Armagh, Northern Ireland is currently 14.0°C. Seeding conditions are open — soil is 14.0°C at 6cm and holding above 9°C.

Soil temperature in Armagh, Northern Ireland

Soil temperature

14.0°C57°F

at 6cm — germination depth

Cooling over the next 11 days.

Seeding conditions are open — soil is 14.0°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 Armagh, Northern Ireland is currently 14.0°C, and falling about 1.8°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 14.0°C at 6cm and holding above 9°C.

8 of the next 10 days are good mowing days. The other 2 are held back by wet grass or soft ground. The best weekend slot right now is Saturday 8am–9pm, on the basis that no rain since Friday, ground firm.

The next recommended window in Armagh opens at 8am on Thursday 3 September, because that is when the dew has burnt off — earlier than that and you are cutting wet grass. Underfoot, the ground reads as firm after 27mm rain over the last week.

See the full mowing forecast for Armagh

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 16.4°C cooling to 13.4°C

Wednesday 2 SeptemberConfident

No — 0.3mm of rain falling.

Poor:Grass wetness: Grass wetraining now
Good:Ground firmness: Ground firm27mm rain over the last week
Good:Growth: Growing wellgrowth potential 0.85
Good:Temperature: Temperature15°C
Good:Wind: Wind light6 km/h

Limiting factor:grass wetness

Thursday 3 September · 8am–11amConfident

8am–11am — grass dry — rain earlier today

Poor:Grass wetness: Grass dryrain earlier today
Good:Ground firmness: Ground soft in places26mm rain over the last week
Good:Growth: Growing wellgrowth potential 0.76
Good:Temperature: Temperature14°C
Good:Wind: Wind light13 km/h
Sociable hours: A bit early or late, but finestarts once the dew has burnt off

Limiting factor:grass wetness

Friday 4 September · midday–9pmConfident

midday–9pm — grass dry — rain earlier today

Marginal:Grass wetness: Grass dryrain earlier today
Good:Ground firmness: Ground soft in places34mm rain over the last week
Good:Growth: Growing wellgrowth potential 0.61
Good:Temperature: Temperature13°C
Good:Wind: Wind light18 km/h
Sociable hours: Fine by the neighboursstarts once the dew has burnt off

Limiting factor:grass wetness

Saturday 5 September · 8am–9pmConfident

8am–9pm — no rain since Friday, ground firm

Good:Grass wetness: Grass dryno rain since Friday
Good:Ground firmness: Ground firm33mm rain over the last week
Good:Growth: Growing wellgrowth potential 0.52
Good:Temperature: Temperature11°C
Good:Wind: Wind light13 km/h
Sociable hours: A bit early or late, but finestarts when it stops being antisocial

Limiting factor:none

Sunday 6 SeptemberReasonably confident

No — 0.8mm of rain falling.

Poor:Grass wetness: Grass wetraining now
Marginal:Ground firmness: Ground soft in places22mm rain over the last week
Good:Growth: Growing wellgrowth potential 0.80
Good:Temperature: Temperature18°C
Good:Wind: Wind light23 km/h

Limiting factor:grass wetness

Monday 7 September · 2pm–9pmReasonably confident

2pm–9pm — ground soft in places — 32mm rain over the last week

Good:Grass wetness: Grass dryrain earlier today
Good:Ground firmness: Ground soft in places32mm rain over the last week
Good:Growth: Growing wellgrowth potential 0.54
Good:Temperature: Temperature12°C
Good:Wind: Wind light21 km/h
Sociable hours: Fine by the neighboursstarts once the rain has passed