ZIP 81052 · Lamar, CO · Nov 11, 2026

Soil temperature for ZIP code 81052

54°Faverage today, 0–4 in deep (modelled)
low 50°F · high 59°F

Modelled by NOAA GFS, not measured · run Nov 11, 12:00 UTC (7 am Eastern) · grid cell 10.1 km from the ZIP centre point

On a week ago
2° warmer
52°F on Nov 4
5-day mean
54°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.

40°50°60°70°50–55°F windowNov 4Nov 6Nov 8TodayNov 14Nov 1652°54°52°
View as table
DayAverageLowHigh
Nov 452.1°F47.4°F58.0°Fanalysis
Nov 553.2°F50.8°F56.1°Fanalysis
Nov 650.2°F46.3°F54.8°Fanalysis
Nov 752.1°F47.4°F58.3°Fanalysis
Nov 853.5°F48.7°F59.6°Fanalysis
Nov 954.4°F49.6°F60.5°Fanalysis
Nov 1054.6°F49.6°F60.6°Fanalysis
Today54.5°F50.3°F59.3°Fanalysis
Nov 1254.1°F49.4°F59.9°Fforecast
Nov 1354.2°F50.1°F58.3°Fforecast
Nov 1453.1°F50.1°F56.1°Fforecast
Nov 1552.1°F50.3°F54.2°Fforecast
Nov 1649.7°F46.5°F54.3°Fforecast
Nov 1752.0°F47.8°F57.9°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 3
50°FPre-emergent window opensFeb 27
55°FCrabgrass can germinateMar 19
60°FTomatoesMar 21
65°FWarm-season grass seedMay 12

This ZIP code area covers about 675 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.

81041 54°F · 81057 56°F · 81044 54°F · 81092 54°F · 81047 55°F · 81043 55°F · 81054 55°F · 81084 54°F

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

Questions

What is the soil temperature in ZIP code 81052 today?
About 54°F on average in the top 4 inches (0–10 cm), low 50°F and high 59°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 10.1 km from the ZIP centre, not a reading from your yard.
Is it time for crabgrass preventer in 81052?
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).