What is the soil temperature in ZIP code 85531 today?

About 61°F on average in the top 4 inches (0–10 cm), low 55°F and high 67°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 13.7 km from the ZIP centre, not a reading from your yard.

Is it time for crabgrass preventer in 85531?

The spring window is closed. It opens again when the soil holds 50°F. Last spring the soil held 50°F from Feb 2 and 55°F from Feb 7.

ZIP 85531 · Safford, AZ · Nov 11, 2026

Soil temperature for ZIP code 85531

61°Faverage today, 0–4 in deep (modelled)
low 55°F · high 67°F

Modelled by NOAA GFS, not measured · run Nov 11, 12:00 UTC (7 am Eastern) · grid cell 13.7 km from the ZIP centre point

On a week ago

No change

60°F on Nov 4

5-day mean

60°F

what the verdicts use

Held 55°F last spring

Feb 7

crabgrass germination temperature

What the soil says today

Pre-emergentSeason over
Cool-season seedToo late in the season
Warm-season seedToo cold
TomatoesSoil warm enough
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	60.5°F	55.3°F	67.2°F	analysis
Nov 5	60.9°F	55.3°F	67.6°F	analysis
Nov 6	59.4°F	56.6°F	62.2°F	analysis
Nov 7	59.8°F	56.4°F	64.4°F	analysis
Nov 8	60.0°F	55.3°F	65.9°F	analysis
Nov 9	60.6°F	55.3°F	67.4°F	analysis
Nov 10	61.0°F	55.7°F	68.0°F	analysis
Today	60.6°F	55.3°F	67.4°F	analysis
Nov 12	61.0°F	55.9°F	67.2°F	forecast
Nov 13	61.4°F	57.0°F	66.9°F	forecast
Nov 14	60.7°F	58.0°F	62.3°F	forecast
Nov 15	58.2°F	53.0°F	65.1°F	forecast
Nov 16	58.8°F	54.4°F	64.2°F	forecast
Nov 17	59.5°F	55.2°F	65.6°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	never below
50°F	Pre-emergent window opens	Feb 2
55°F	Crabgrass can germinate	Feb 7
60°F	Tomatoes	Feb 27
65°F	Warm-season grass seed	Mar 14

Nearby ZIP codes

Today's modelled average.

85552 61°F · 85543 63°F · 85535 63°F · 85551 64°F · 85546 64°F · 85536 57°F · 85540 61°F · 85643 57°F

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

Questions

What is the soil temperature in ZIP code 85531 today?: About 61°F on average in the top 4 inches (0–10 cm), low 55°F and high 67°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 13.7 km from the ZIP centre, not a reading from your yard.
Is it time for crabgrass preventer in 85531?: The spring window is closed. It opens again when the soil holds 50°F. Last spring the soil held 50°F from Feb 2 and 55°F from Feb 7.

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).