What is the soil temperature in ZIP code 80487 today?

About 42°F on average in the top 4 inches (0–10 cm), low 38°F and high 48°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 13.2 km from the ZIP centre, not a reading from your yard.

Is it time for crabgrass preventer in 80487?

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 5.

ZIP 80487 · Steamboat Springs, CO · Nov 11, 2026

Soil temperature for ZIP code 80487

42°Faverage today, 0–4 in deep (modelled)
low 38°F · high 48°F

Modelled by NOAA GFS, not measured · run Nov 11, 12:00 UTC (7 am Eastern) · grid cell 13.2 km from the ZIP centre point

On a week ago

2° warmer

40°F on Nov 4

5-day mean

42°F

what the verdicts use

Held 55°F last spring

Jun 5

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	39.7°F	37.5°F	42.7°F	analysis
Nov 5	40.1°F	38.6°F	43.5°F	analysis
Nov 6	40.6°F	37.2°F	46.3°F	analysis
Nov 7	41.0°F	38.6°F	45.4°F	analysis
Nov 8	41.3°F	38.2°F	47.5°F	analysis
Nov 9	43.1°F	38.2°F	49.7°F	analysis
Nov 10	43.0°F	38.6°F	48.0°F	analysis
Today	41.9°F	37.5°F	47.7°F	analysis
Nov 12	42.5°F	37.5°F	49.1°F	forecast
Nov 13	41.8°F	37.9°F	46.4°F	forecast
Nov 14	41.6°F	37.7°F	45.8°F	forecast
Nov 15	42.6°F	40.9°F	45.3°F	forecast
Nov 16	40.0°F	37.7°F	44.7°F	forecast
Nov 17	40.3°F	37.3°F	46.1°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 18
50°F	Pre-emergent window opens	Mar 22
55°F	Crabgrass can germinate	Jun 5
60°F	Tomatoes	Jun 20
65°F	Warm-season grass seed	not reached

This ZIP code area covers about 796 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.

80428 38°F · 81639 42°F · 80430 37°F · 80469 40°F · 80467 39°F · 81653 40°F · 80480 38°F · 80483 37°F

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

Questions

What is the soil temperature in ZIP code 80487 today?: About 42°F on average in the top 4 inches (0–10 cm), low 38°F and high 48°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 13.2 km from the ZIP centre, not a reading from your yard.
Is it time for crabgrass preventer in 80487?: 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 5.

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).