What is the soil temperature in ZIP code 86338 today?

About 56°F on average in the top 4 inches (0–10 cm), low 52°F and high 63°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 8.1 km from the ZIP centre, not a reading from your yard.

Is it time for crabgrass preventer in 86338?

The spring window is closed. It opens again when the soil holds 50°F. Last spring the soil held 50°F from Feb 3 and 55°F from Mar 11.

ZIP 86338 · Williamson, AZ · Nov 11, 2026

Soil temperature for ZIP code 86338

56°Faverage today, 0–4 in deep (modelled)
low 52°F · high 63°F

Modelled by NOAA GFS, not measured · run Nov 11, 12:00 UTC (7 am Eastern) · grid cell 8.1 km from the ZIP centre point

On a week ago

2° warmer

54°F on Nov 4

5-day mean

56°F

what the verdicts use

Held 55°F last spring

Mar 11

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	54.4°F	50.5°F	59.6°F	analysis
Nov 5	53.5°F	49.0°F	59.3°F	analysis
Nov 6	53.8°F	49.4°F	59.8°F	analysis
Nov 7	54.8°F	51.0°F	59.9°F	analysis
Nov 8	55.6°F	51.0°F	62.4°F	analysis
Nov 9	56.3°F	51.3°F	63.1°F	analysis
Nov 10	56.2°F	51.2°F	62.7°F	analysis
Today	56.2°F	51.7°F	62.7°F	analysis
Nov 12	56.3°F	51.5°F	62.6°F	forecast
Nov 13	55.4°F	52.8°F	58.0°F	forecast
Nov 14	53.9°F	51.6°F	55.9°F	forecast
Nov 15	52.4°F	48.1°F	58.5°F	forecast
Nov 16	52.9°F	48.5°F	58.6°F	forecast
Nov 17	54.2°F	51.8°F	58.6°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	Jan 13
50°F	Pre-emergent window opens	Feb 3
55°F	Crabgrass can germinate	Mar 11
60°F	Tomatoes	Mar 14
65°F	Warm-season grass seed	Mar 19

Prescott Valley, AZ, 41 km away: the full city page, with the 2026 season chart, growing degree days and nearby cities →

Nearby ZIP codes

Today's modelled average.

86305 54°F · 86313 54°F · 86321 62°F · 86303 54°F · 86301 54°F · 86332 59°F · 85362 60°F · 86323 54°F

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

Questions

What is the soil temperature in ZIP code 86338 today?: About 56°F on average in the top 4 inches (0–10 cm), low 52°F and high 63°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 8.1 km from the ZIP centre, not a reading from your yard.
Is it time for crabgrass preventer in 86338?: The spring window is closed. It opens again when the soil holds 50°F. Last spring the soil held 50°F from Feb 3 and 55°F from Mar 11.

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).