What is the soil temperature in ZIP code 82520 today?

About 46°F on average in the top 4 inches (0–10 cm), low 40°F and high 52°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 13.4 km from the ZIP centre, not a reading from your yard.

Is it time for crabgrass preventer in 82520?

The spring window is closed. It opens again when the soil holds 50°F. Last spring the soil held 50°F from Mar 21 and 55°F from Mar 22.

ZIP 82520 · Lander, WY · Nov 11, 2026

Soil temperature for ZIP code 82520

46°Faverage today, 0–4 in deep (modelled)
low 40°F · high 52°F

Modelled by NOAA GFS, not measured · run Nov 11, 12:00 UTC (7 am Eastern) · grid cell 13.4 km from the ZIP centre point

On a week ago

4° warmer

42°F on Nov 4

5-day mean

45°F

what the verdicts use

Held 55°F last spring

Mar 22

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	41.5°F	37.7°F	46.2°F	analysis
Nov 5	41.3°F	36.8°F	47.6°F	analysis
Nov 6	43.7°F	39.2°F	49.3°F	analysis
Nov 7	43.4°F	38.0°F	50.2°F	analysis
Nov 8	44.4°F	38.4°F	52.5°F	analysis
Nov 9	47.3°F	43.1°F	52.1°F	analysis
Nov 10	46.3°F	41.5°F	51.9°F	analysis
Today	45.6°F	40.2°F	52.3°F	analysis
Nov 12	45.5°F	40.4°F	51.7°F	forecast
Nov 13	43.2°F	39.0°F	48.0°F	forecast
Nov 14	43.5°F	39.5°F	48.7°F	forecast
Nov 15	42.1°F	37.7°F	47.1°F	forecast
Nov 16	40.8°F	36.6°F	45.3°F	forecast
Nov 17	40.3°F	35.7°F	46.8°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 1
50°F	Pre-emergent window opens	Mar 21
55°F	Crabgrass can germinate	Mar 22
60°F	Tomatoes	May 27
65°F	Warm-season grass seed	Jun 19

This ZIP code area covers about 1,493 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.

82515 48°F · 82510 48°F · 82501 49°F · 82514 43°F · 82923 42°F · 82516 48°F · 82512 36°F · 82523 43°F

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

Questions

What is the soil temperature in ZIP code 82520 today?: About 46°F on average in the top 4 inches (0–10 cm), low 40°F and high 52°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 13.4 km from the ZIP centre, not a reading from your yard.
Is it time for crabgrass preventer in 82520?: The spring window is closed. It opens again when the soil holds 50°F. Last spring the soil held 50°F from Mar 21 and 55°F from Mar 22.

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).