ZIP 82930 · Utah · Nov 11, 2026

Soil temperature for ZIP code 82930

40°Faverage today, 0–4 in deep (modelled)
low 36°F · high 46°F

Modelled by NOAA GFS, not measured · run Nov 11, 12:00 UTC (7 am Eastern) · grid cell 10.2 km from the ZIP centre point

On a week ago
5° warmer
35°F on Nov 4
5-day mean
40°F
what the verdicts use
Held 55°F last spring
Jun 17
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.

20°30°40°50°60°50–55°F windowNov 4Nov 6Nov 8TodayNov 14Nov 1635°40°37°
View as table
DayAverageLowHigh
Nov 435.1°F34.8°F35.4°Fanalysis
Nov 535.1°F34.3°F36.9°Fanalysis
Nov 636.8°F34.8°F40.4°Fanalysis
Nov 737.5°F34.4°F42.7°Fanalysis
Nov 840.1°F35.9°F46.4°Fanalysis
Nov 942.6°F38.9°F47.3°Fanalysis
Nov 1041.2°F38.4°F44.2°Fanalysis
Today40.0°F35.7°F45.9°Fanalysis
Nov 1241.6°F37.2°F47.9°Fforecast
Nov 1340.3°F37.5°F43.0°Fforecast
Nov 1437.5°F35.5°F38.4°Fforecast
Nov 1533.5°F30.6°F36.4°Fforecast
Nov 1636.7°F32.8°F42.7°Fforecast
Nov 1737.2°F33.6°F41.7°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 lettuceMar 21
50°FPre-emergent window opensJun 5
55°FCrabgrass can germinateJun 17
60°FTomatoesnot reached
65°FWarm-season grass seednot reached

This ZIP code area covers about 957 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.

82944 43°F · 84031 35°F · 82933 43°F · 82939 44°F · 82936 40°F · 84036 39°F · 84017 42°F · 84055 41°F

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

Questions

What is the soil temperature in ZIP code 82930 today?
About 40°F on average in the top 4 inches (0–10 cm), low 36°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 10.2 km from the ZIP centre, not a reading from your yard.
Is it time for crabgrass preventer in 82930?
The spring window is closed. It opens again when the soil holds 50°F. Last spring the soil held 50°F from Jun 5 and 55°F from Jun 17.

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).