ZIP 81330 · Cortez, CO · Nov 11, 2026

Soil temperature for ZIP code 81330

46°Faverage today, 0–4 in deep (modelled)
low 41°F · high 53°F

Modelled by NOAA GFS, not measured · run Nov 11, 12:00 UTC (7 am Eastern) · grid cell 2.6 km from the ZIP centre point

On a week ago
2° warmer
45°F on Nov 4
5-day mean
46°F
what the verdicts use
Held 55°F last spring
Mar 21
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.

30°40°50°60°50–55°F windowNov 4Nov 6Nov 8TodayNov 14Nov 1645°46°44°
View as table
DayAverageLowHigh
Nov 444.6°F40.8°F49.1°Fanalysis
Nov 543.8°F40.6°F48.6°Fanalysis
Nov 646.2°F43.1°F51.0°Fanalysis
Nov 745.8°F40.9°F52.2°Fanalysis
Nov 846.5°F41.4°F52.8°Fanalysis
Nov 946.5°F41.4°F52.6°Fanalysis
Nov 1046.1°F41.3°F51.5°Fanalysis
Today46.4°F41.3°F53.4°Fanalysis
Nov 1246.8°F41.5°F53.2°Fforecast
Nov 1345.4°F41.3°F49.5°Fforecast
Nov 1444.0°F42.0°F44.9°Fforecast
Nov 1543.4°F40.4°F48.2°Fforecast
Nov 1643.5°F39.7°F48.5°Fforecast
Nov 1743.9°F39.5°F49.3°Fforecast
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.

SoilWhat it meansHeld from (spring 2026)
40°FPeas and lettuceFeb 8
50°FPre-emergent window opensMar 19
55°FCrabgrass can germinateMar 21
60°FTomatoesMay 12
65°FWarm-season grass seedJun 2

Durango, CO, 53 km away: the full city page, with the 2026 season chart, growing degree days and nearby cities →

Nearby ZIP codes

Today's modelled average.

81328 45°F · 81334 46°F · 81321 50°F · 81326 44°F · 81327 45°F · 81335 45°F · 87418 49°F · 81331 51°F

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

Questions

What is the soil temperature in ZIP code 81330 today?
About 46°F on average in the top 4 inches (0–10 cm), low 41°F and high 53°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 2.6 km from the ZIP centre, not a reading from your yard.
Is it time for crabgrass preventer in 81330?
The spring window is closed. It opens again when the soil holds 50°F. Last spring the soil held 50°F from Mar 19 and 55°F from Mar 21.

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).