What is the soil temperature in ZIP code 86320 today?

About 53°F on average in the top 4 inches (0–10 cm), low 48°F and high 60°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 17.8 km from the ZIP centre, not a reading from your yard.

Is it time for crabgrass preventer in 86320?

The spring window is closed. It opens again when the soil holds 50°F. Last spring the soil held 50°F from Feb 26 and 55°F from Mar 13.

ZIP 86320 · Arizona · Nov 11, 2026

Soil temperature for ZIP code 86320

53°Faverage today, 0–4 in deep (modelled)
low 48°F · high 60°F

Modelled by NOAA GFS, not measured · run Nov 11, 12:00 UTC (7 am Eastern) · grid cell 17.8 km from the ZIP centre point

On a week ago

2° warmer

51°F on Nov 4

5-day mean

53°F

what the verdicts use

Held 55°F last spring

Mar 13

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	51.2°F	47.1°F	56.9°F	analysis
Nov 5	50.3°F	45.4°F	56.5°F	analysis
Nov 6	50.6°F	46.0°F	56.0°F	analysis
Nov 7	51.7°F	47.4°F	58.2°F	analysis
Nov 8	52.5°F	46.8°F	60.7°F	analysis
Nov 9	53.1°F	47.4°F	60.5°F	analysis
Nov 10	53.0°F	47.4°F	60.2°F	analysis
Today	53.1°F	47.8°F	60.4°F	analysis
Nov 12	53.1°F	47.9°F	59.5°F	forecast
Nov 13	52.6°F	49.0°F	56.2°F	forecast
Nov 14	51.1°F	49.4°F	52.8°F	forecast
Nov 15	49.1°F	44.5°F	55.8°F	forecast
Nov 16	49.6°F	44.9°F	56.0°F	forecast
Nov 17	51.0°F	48.0°F	55.8°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	Jan 15
50°F	Pre-emergent window opens	Feb 26
55°F	Crabgrass can germinate	Mar 13
60°F	Tomatoes	Mar 18
65°F	Warm-season grass seed	Mar 21

This ZIP code area covers about 807 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.

86046 50°F · 86337 53°F · 86334 55°F · 86305 54°F · 86323 54°F · 86324 57°F · 86331 57°F · 86315 54°F

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

Questions

What is the soil temperature in ZIP code 86320 today?: About 53°F on average in the top 4 inches (0–10 cm), low 48°F and high 60°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 17.8 km from the ZIP centre, not a reading from your yard.
Is it time for crabgrass preventer in 86320?: The spring window is closed. It opens again when the soil holds 50°F. Last spring the soil held 50°F from Feb 26 and 55°F from Mar 13.

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).