What is the soil temperature in ZIP code 81403 today?

About 41°F on average in the top 4 inches (0–10 cm), low 39°F and high 46°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 81403?

The spring window is closed. It opens again when the soil holds 50°F. Last spring the soil held 50°F from Mar 22 and 55°F from Jun 2.

ZIP 81403 · Montrose, CO · Nov 11, 2026

Soil temperature for ZIP code 81403

41°Faverage today, 0–4 in deep (modelled)
low 39°F · high 46°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

4° warmer

37°F on Nov 4

5-day mean

41°F

what the verdicts use

Held 55°F last spring

Jun 2

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	36.9°F	36.8°F	37.2°F	analysis
Nov 5	38.0°F	35.9°F	42.5°F	analysis
Nov 6	41.9°F	39.3°F	44.9°F	analysis
Nov 7	41.2°F	39.5°F	43.0°F	analysis
Nov 8	39.1°F	36.8°F	42.6°F	analysis
Nov 9	40.3°F	38.0°F	45.0°F	analysis
Nov 10	41.2°F	38.4°F	45.3°F	analysis
Today	41.1°F	38.8°F	45.5°F	analysis
Nov 12	41.3°F	38.2°F	46.3°F	forecast
Nov 13	40.5°F	38.2°F	43.3°F	forecast
Nov 14	38.0°F	37.0°F	39.0°F	forecast
Nov 15	38.3°F	37.5°F	40.0°F	forecast
Nov 16	37.6°F	37.0°F	38.0°F	forecast
Nov 17	37.2°F	36.2°F	38.1°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	Mar 17
50°F	Pre-emergent window opens	Mar 22
55°F	Crabgrass can germinate	Jun 2
60°F	Tomatoes	Jun 6
65°F	Warm-season grass seed	not reached

Montrose, CO, 19 km away: the full city page, with the 2026 season chart, growing degree days and nearby cities →

This ZIP code area covers about 506 square miles; the reading is for the model grid cell nearest its Census centre point, which can be far from where you are. Try a neighbouring ZIP if it looks off.

Nearby ZIP codes

Today's modelled average.

81425 46°F · 81432 42°F · 81401 45°F · 81430 40°F · 81220 39°F · 81427 30°F · 81415 47°F · 81416 47°F

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

Questions

What is the soil temperature in ZIP code 81403 today?: About 41°F on average in the top 4 inches (0–10 cm), low 39°F and high 46°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 81403?: The spring window is closed. It opens again when the soil holds 50°F. Last spring the soil held 50°F from Mar 22 and 55°F from Jun 2.

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).