What is the soil temperature in ZIP code 84635 today?

About 51°F on average in the top 4 inches (0–10 cm), low 46°F and high 58°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 12.4 km from the ZIP centre, not a reading from your yard.

Is it time for crabgrass preventer in 84635?

The spring window is closed. It opens again when the soil holds 50°F. Last spring the soil held 50°F from Mar 11 and 55°F from Mar 18.

ZIP 84635 · Utah · Nov 11, 2026

Soil temperature for ZIP code 84635

51°Faverage today, 0–4 in deep (modelled)
low 46°F · high 58°F

Modelled by NOAA GFS, not measured · run Nov 11, 12:00 UTC (7 am Eastern) · grid cell 12.4 km from the ZIP centre point

On a week ago

2° warmer

49°F on Nov 4

5-day mean

50°F

what the verdicts use

Held 55°F last spring

Mar 18

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	49.2°F	46.2°F	52.2°F	analysis
Nov 5	47.1°F	42.8°F	52.9°F	analysis
Nov 6	48.3°F	43.8°F	54.9°F	analysis
Nov 7	48.6°F	43.6°F	55.5°F	analysis
Nov 8	48.9°F	43.6°F	56.2°F	analysis
Nov 9	50.3°F	44.9°F	58.3°F	analysis
Nov 10	50.8°F	45.8°F	57.8°F	analysis
Today	50.8°F	45.8°F	57.7°F	analysis
Nov 12	50.1°F	45.1°F	56.8°F	forecast
Nov 13	50.4°F	46.2°F	56.3°F	forecast
Nov 14	50.5°F	49.2°F	52.3°F	forecast
Nov 15	45.8°F	41.3°F	52.1°F	forecast
Nov 16	48.4°F	44.7°F	54.1°F	forecast
Nov 17	48.5°F	44.0°F	55.2°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	Feb 3
50°F	Pre-emergent window opens	Mar 11
55°F	Crabgrass can germinate	Mar 18
60°F	Tomatoes	Mar 20
65°F	Warm-season grass seed	Mar 22

Nearby ZIP codes

Today's modelled average.

84624 50°F · 84640 50°F · 84649 48°F · 84638 47°F · 84636 48°F · 84631 48°F · 84656 46°F · 84644 43°F

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

Questions

What is the soil temperature in ZIP code 84635 today?: About 51°F on average in the top 4 inches (0–10 cm), low 46°F and high 58°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 12.4 km from the ZIP centre, not a reading from your yard.
Is it time for crabgrass preventer in 84635?: The spring window is closed. It opens again when the soil holds 50°F. Last spring the soil held 50°F from Mar 11 and 55°F from Mar 18.

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).