What is the soil temperature in ZIP code 81084 today?

About 54°F on average in the top 4 inches (0–10 cm), low 50°F and high 58°F, from NOAA's GFS model run of Nov 11, 12:00 UTC (7 am Eastern). It is a model value for a grid cell 9.5 km from the ZIP centre, not a reading from your yard.

Is it time for crabgrass preventer in 81084?

The spring window is closed. It opens again when the soil holds 50°F. Last spring the soil held 50°F from Feb 27 and 55°F from Mar 19.

ZIP 81084 · Colorado · Nov 11, 2026

Soil temperature for ZIP code 81084

54°Faverage today, 0–4 in deep (modelled)
low 50°F · high 58°F

Modelled by NOAA GFS, not measured · run Nov 11, 12:00 UTC (7 am Eastern) · grid cell 9.5 km from the ZIP centre point

On a week ago

3° warmer

50°F on Nov 4

5-day mean

53°F

what the verdicts use

Held 55°F last spring

Mar 19

crabgrass germination temperature

What the soil says today

Pre-emergentSeason over
Cool-season seedToo late in the season
Warm-season seedToo cold
TomatoesToo cold
Peas and lettuceWarm enough

From the 5-day mean of the modelled 0–4 in layer.

Soil temperature, 0–4 in: last 7 days and next 7

°F, modelled. Dots and line: daily average (dashed = forecast); bars: low to high; green band: 50–55°F.

View as table

Day	Average	Low	High
Nov 4	50.5°F	46.5°F	55.9°F	analysis
Nov 5	51.9°F	49.9°F	54.1°F	analysis
Nov 6	49.2°F	44.7°F	54.0°F	analysis
Nov 7	52.1°F	47.8°F	57.8°F	analysis
Nov 8	52.4°F	47.9°F	58.0°F	analysis
Nov 9	53.5°F	48.7°F	59.2°F	analysis
Nov 10	53.6°F	48.9°F	59.4°F	analysis
Today	53.9°F	50.1°F	58.3°F	analysis
Nov 12	53.5°F	49.4°F	58.5°F	forecast
Nov 13	52.6°F	49.0°F	56.6°F	forecast
Nov 14	51.3°F	48.5°F	54.0°F	forecast
Nov 15	49.9°F	47.4°F	52.5°F	forecast
Nov 16	47.0°F	44.7°F	50.8°F	forecast
Nov 17	49.3°F	45.4°F	54.7°F	forecast

Source: NOAA NCEP GFS 0.25°, 0–10 cm soil temperature, run Nov 11, 12:00 UTC (7 am Eastern).

Spring 2026 threshold dates

From the 5-day mean held for 10 days or more.

Soil	What it means	Held from (spring 2026)
40°F	Peas and lettuce	Feb 2
50°F	Pre-emergent window opens	Feb 27
55°F	Crabgrass can germinate	Mar 19
60°F	Tomatoes	Mar 21
65°F	Warm-season grass seed	May 12

Nearby ZIP codes

Today's modelled average.

81087 54°F · 81090 55°F · 81073 53°F · 81041 54°F · 67862 54°F · 81052 54°F · 81047 55°F · 81029 56°F

More: crabgrass timing in Colorado · every Colorado city · how accurate the model is.

Questions

What is the soil temperature in ZIP code 81084 today?: About 54°F on average in the top 4 inches (0–10 cm), low 50°F and high 58°F, from NOAA's GFS model run of Nov 11, 12:00 UTC (7 am Eastern). It is a model value for a grid cell 9.5 km from the ZIP centre, not a reading from your yard.
Is it time for crabgrass preventer in 81084?: The spring window is closed. It opens again when the soil holds 50°F. Last spring the soil held 50°F from Feb 27 and 55°F from Mar 19.

Data: Global Forecast System (GFS) 0.25°, soil temperature 0–10 cm (TSOIL) (NOAA National Centers for Environmental Prediction (NCEP)); 2025 Gazetteer ZIP Code Tabulation Areas (ZCTA) and 2024 cartographic boundary state outlines (U.S. Census Bureau).