What is the soil temperature in Casper, Wyoming?

Soil temperature at 6cm in Casper, Wyoming is currently 26.8°C. Too warm to seed — the soil is heat-stressed. Wait for it to cool.

Soil temperature in Casper, Wyoming

Soil temperature

80°F26.8°C

at 6cm — germination depth

Cooling over the next 11 days.

Too warm to seed — the soil is heat-stressed. Wait for it to cool.

Most cool-season lawns in the northern US and Canada are bluegrass, tall fescue, or a mix of the two. We assume that, and use12.5°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 ryegrass	8°C	5–10
Red / chewings fescue	8–10°C	10–14
Tall fescuelikely yours	10–12°C	10–14
Browntop bentColonial bentgrass	10–12°C	14–21
Smooth-stalked meadow grassKentucky bluegrasslikely yours	12–13°C	14–28

Soil temperature at 6cm in Casper, Wyoming is currently 26.8°C, and falling about 21.8°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 Kentucky bluegrass with tall fescue, the usual mix for cool-season lawns at this latitude. That blend needs the soil to hold above 12.5°C before seed germinates reliably. Too warm to seed — the soil is heat-stressed. Wait for it to cool.

8 of the next 10 days are good mowing days. The best weekend slot right now is Monday 10am–2pm, on the basis that no rain in the record, ground firm.

The next recommended window in Casper opens at 6pm on Tuesday 1 September, and holds while conditions stay put. Underfoot, the ground reads as firm after 0mm rain over the last week.

See the full mowing forecast for Casper

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. It crosses the seeding threshold inside this forecast.

12.5°C — seeding

Soil at 6cm 26.4°C cooling to 0.0°C

Tuesday 1 September · 6pm–8pmConfident

6pm–8pm — heat stress — 26°C

Good:Grass wetness: Grass dryno rain in the record
Good:Ground firmness: Ground firm0mm rain over the last week
Good:Growth: Growing wellgrowth potential 0.94
Poor:Temperature: Heat stress26°C
Marginal:Wind: Wind light26 km/h
Sociable hours: A bit early or late, but fine

Limiting factor:temperature

Wednesday 2 September · 8am–2pmConfident

8am–2pm — no rain in the record, ground firm

Good:Grass wetness: Grass dryno rain in the record
Good:Ground firmness: Ground firm0mm rain over the last week
Good:Growth: Growing wellgrowth potential 0.92
Marginal:Temperature: Temperature15°C
Marginal:Wind: Wind light11 km/h
Sociable hours: A bit early or late, but finestarts when it stops being antisocial

Limiting factor:none

Thursday 3 September · 8am–2pmConfident

8am–2pm — no rain in the record, ground firm

Good:Grass wetness: Grass dryno rain in the record
Good:Ground firmness: Ground firm0mm rain over the last week
Good:Growth: Growing wellgrowth potential 0.93
Marginal:Temperature: Temperature15°C
Marginal:Wind: Wind light19 km/h
Sociable hours: A bit early or late, but finestarts when it stops being antisocial

Limiting factor:none

Friday 4 September · 8am–middayConfident

8am–midday — cool — 24°C

Good:Grass wetness: Grass dryno rain in the record
Good:Ground firmness: Ground firm0mm rain over the last week
Good:Growth: Growing wellgrowth potential 0.72
Poor:Temperature: Temperature20°C
Marginal:Wind: Wind light13 km/h
Sociable hours: A bit early or late, but finestarts when it stops being antisocial

Limiting factor:temperature

Saturday 5 September · 8am–11amReasonably confident

8am–11am — no rain in the record, ground firm

Good:Grass wetness: Grass dryno rain in the record
Good:Ground firmness: Ground firm0mm rain over the last week
Good:Growth: Growing wellgrowth potential 0.66
Poor:Temperature: Temperature19°C
Good:Wind: Wind light8 km/h
Sociable hours: A bit early or late, but finestarts when it stops being antisocial

Limiting factor:none

Sunday 6 September · 7pm–8pmReasonably confident

7pm–8pm — heat stress — 28°C

Good:Grass wetness: Grass dryno rain in the record
Good:Ground firmness: Ground firm0mm rain over the last week
Good:Growth: Growing wellgrowth potential 0.57
Poor:Temperature: Temperature20°C
Good:Wind: Wind light5 km/h
Sociable hours: A bit early or late, but finestarts when it stops being antisocial

Limiting factor:temperature

Monday 7 September · 10am–2pmReasonably confident

10am–2pm — no rain in the record, ground firm

Good:Grass wetness: Grass dryno rain in the record
Good:Ground firmness: Ground firm0mm rain over the last week
Good:Growth: Growing wellgrowth potential 0.81
Marginal:Temperature: Temperature19°C
Good:Wind: Wind light10 km/h
Sociable hours: Fine by the neighboursstarts when it stops being antisocial

Limiting factor:none

Tuesday 8 September · 8am–7pmReasonably confident

8am–7pm — breezy — 30 km/h

Good:Grass wetness: Grass dryno rain in the record
Good:Ground firmness: Ground firm0mm rain over the last week
Good:Growth: Growing wellgrowth potential 0.71
Marginal:Temperature: Temperature20°C
Poor:Wind: Wind light21 km/h
Sociable hours: A bit early or late, but finestarts when it stops being antisocial

Limiting factor:wind

Wednesday 9 SeptemberLow confidence this far out

No — ground frozen.

Good:Grass wetness: Grass dryno rain in the record
Good:Ground firmness: Ground firm0mm rain over the last week
Good:Growth: Growing wellgrowth potential 0.96
Good:Temperature: Temperature13°C
Good:Wind: Wind light5 km/h

Limiting factor:none

Thursday 10 SeptemberLow confidence this far out

No — ground frozen.

Good:Grass wetness: Grass dryno rain in the record
Good:Ground firmness: Ground firm0mm rain over the last week
Good:Growth: Growing wellgrowth potential 0.97
Good:Temperature: Temperature15°C
Good:Wind: Wind light4 km/h

Limiting factor:none

Nearby

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