Soil temperature in Lisburn, Northern Ireland
Soil temperature
14.1°C57°F
at 6cm — germination depth
Cooling over the next 11 days.
Seeding conditions are open — soil is 14.1°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.
| 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 Lisburn, Northern Ireland is currently 14.1°C, and falling about 2.0°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 14.1°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 Lisburn opens at 2pm on Thursday 3 September, because the rain clears by then. Underfoot, the ground reads as firm after 33mm rain over the last week.
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 16.1°C cooling to 13.1°C
Wednesday 2 September: Marginal. No — 0.4mm of rain falling.
Wednesday 2 SeptemberConfident
No — 0.4mm of rain falling.
- Poor:Grass wetness
- Grass wetraining now
- Good:Ground firmness
- Ground firm33mm rain over the last week
- Good:Growth
- Growing wellgrowth potential 0.82
- Good:Temperature
- Temperature14°C
- Good:Wind
- Wind light5 km/h
Limiting factor:grass wetness
Thursday 3 September: Good. 2pm–3pm — grass slightly damp — rain 1 hour ago
Thursday 3 September · 2pm–3pmConfident
2pm–3pm — grass slightly damp — rain 1 hour ago
- Poor:Grass wetness
- Grass slightly dampraining now
- Good:Ground firmness
- Ground firm33mm rain over the last week
- Good:Growth
- Growing wellgrowth potential 0.76
- Good:Temperature
- Temperature15°C
- Good:Wind
- Wind light15 km/h
- Sociable hours
- Fine by the neighboursstarts once the rain has passed
Limiting factor:grass wetness
Friday 4 September: Good. midday–9pm — grass dry — rain earlier today
Friday 4 September · midday–9pmConfident
midday–9pm — grass dry — rain earlier today
- Marginal:Grass wetness
- Grass dryrain earlier today
- Good:Ground firmness
- Ground firm33mm rain over the last week
- Good:Growth
- Growing wellgrowth potential 0.65
- 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: Good. 8am–9pm — no rain since Friday, ground firm
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 firm27mm rain over the last week
- Good:Growth
- Growing wellgrowth potential 0.55
- Good:Temperature
- Temperature10°C
- Good:Wind
- Wind light9 km/h
- Sociable hours
- A bit early or late, but finestarts when it stops being antisocial
Limiting factor:none
Sunday 6 September: Not worth it. No — 2.1mm of rain falling.
Sunday 6 SeptemberReasonably confident
No — 2.1mm of rain falling.
- Poor:Grass wetness
- Grass wetraining now
- Marginal:Ground firmness
- Ground soft21mm rain over the last week
- Good:Growth
- Growing wellgrowth potential 0.78
- Good:Temperature
- Temperature17°C
- Good:Wind
- Wind light16 km/h
Limiting factor:grass wetness
Monday 7 September: Good. 3pm–9pm — ground soft in places — 40mm rain over the last week
Monday 7 September · 3pm–9pmReasonably confident
3pm–9pm — ground soft in places — 40mm rain over the last week
- Marginal:Grass wetness
- Grass dryrain earlier today
- Marginal:Ground firmness
- Ground soft in places40mm rain over the last week
- Good:Growth
- Growing wellgrowth potential 0.55
- Good:Temperature
- Temperature12°C
- Good:Wind
- Wind light17 km/h
- Sociable hours
- Fine by the neighboursstarts once the dew has burnt off
Limiting factor:ground firmness
Tuesday 8 September: Good. 8am–11am — ground soft — 42mm rain over the last week
Tuesday 8 September · 8am–11amReasonably confident
8am–11am — ground soft — 42mm rain over the last week
- Marginal:Grass wetness
- Grass dryrain earlier today
- Poor:Ground firmness
- Ground soft42mm rain over the last week
- Good:Growth
- Growing steadilygrowth potential 0.37
- Good:Temperature
- Temperature11°C
- Good:Wind
- Wind light16 km/h
- Sociable hours
- A bit early or late, but finestarts when it stops being antisocial
Limiting factor:ground firmness
Wednesday 9 September: Good. midday–8pm — ground soft — 43mm rain over the last week
Wednesday 9 September · midday–8pmReasonably confident
midday–8pm — ground soft — 43mm rain over the last week
- Marginal:Grass wetness
- Grass dryrain earlier today
- Poor:Ground firmness
- Ground soft43mm rain over the last week
- Marginal:Growth
- Growing slowlygrowth potential 0.27
- Good:Temperature
- Temperature11°C
- Good:Wind
- Wind light21 km/h
- Sociable hours
- Fine by the neighbours
Limiting factor:ground firmness
Thursday 10 September: Good. 8am–8pm — growing slowly — growth potential 0.23
Thursday 10 September · 8am–8pmLow confidence this far out
8am–8pm — growing slowly — growth potential 0.23
- Good:Grass wetness
- Grass dryno rain since Wednesday
- Marginal:Ground firmness
- Ground soft in places42mm rain over the last week
- Marginal:Growth
- Growing slowlygrowth potential 0.23
- Good:Temperature
- Temperature10°C
- Good:Wind
- Wind light9 km/h
- Sociable hours
- A bit early or late, but finestarts when it stops being antisocial
Limiting factor:growth
Friday 11 September: Good. 8am–8pm — ground soft in places — 37mm rain over the last week
Friday 11 September · 8am–8pmLow confidence this far out
8am–8pm — ground soft in places — 37mm rain over the last week
- Good:Grass wetness
- Grass dryno rain since Wednesday
- Marginal:Ground firmness
- Ground soft in places37mm rain over the last week
- Good:Growth
- Growing steadilygrowth potential 0.41
- Good:Temperature
- Temperature11°C
- Good:Wind
- Wind light9 km/h
- Sociable hours
- A bit early or late, but finestarts when it stops being antisocial
Limiting factor:ground firmness
Nearby
Your own postcode
These are town-centre figures. Yours will differ a little.