ZIP 84031 · Utah · Nov 11, 2026

Soil temperature for ZIP code 84031

35°Faverage today, 0–4 in deep (modelled)
low 34°F · high 37°F

Modelled by NOAA GFS, not measured · run Nov 11, 12:00 UTC (7 am Eastern) · grid cell 13.6 km from the ZIP centre point

On a week ago
1° warmer
34°F on Nov 4
5-day mean
34°F
what the verdicts use
Held 55°F last spring
–
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 lettuceToo cold

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 1634°35°32°
View as table
DayAverageLowHigh
Nov 434.1°F34.1°F34.2°Fanalysis
Nov 534.1°F33.9°F34.3°Fanalysis
Nov 634.0°F33.8°F34.3°Fanalysis
Nov 733.9°F33.8°F34.1°Fanalysis
Nov 833.8°F33.5°F34.7°Fanalysis
Nov 934.6°F33.7°F36.8°Fanalysis
Nov 1035.1°F34.1°F36.2°Fanalysis
Today34.7°F33.5°F36.7°Fanalysis
Nov 1235.3°F33.9°F37.2°Fforecast
Nov 1334.6°F33.8°F35.4°Fforecast
Nov 1433.1°F32.7°F33.8°Fforecast
Nov 1531.0°F29.0°F32.8°Fforecast
Nov 1632.0°F31.0°F34.0°Fforecast
Nov 1731.6°F29.9°F33.2°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 lettuceJun 4
50°FPre-emergent window opensJun 19
55°FCrabgrass can germinatenot reached
60°FTomatoesnot reached
65°FWarm-season grass seednot reached

This ZIP code area covers about 595 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.

84036 39°F · 84072 42°F · 82930 40°F · 84051 40°F · 84073 44°F · 84002 40°F · 84055 41°F · 84001 46°F

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

Questions

What is the soil temperature in ZIP code 84031 today?
About 35°F on average in the top 4 inches (0–10 cm), low 34°F and high 37°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 13.6 km from the ZIP centre, not a reading from your yard.
Is it time for crabgrass preventer in 84031?
The spring window is closed. It opens again when the soil holds 50°F.

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).