What is the soil temperature in ZIP code 86004 today?

About 58°F on average in the top 4 inches (0–10 cm), low 52°F and high 66°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 17.3 km from the ZIP centre, not a reading from your yard.

Is it time for crabgrass preventer in 86004?

The spring window is closed. It opens again when the soil holds 50°F. Last spring the soil held 50°F from Feb 5 and 55°F from Feb 27.

ZIP 86004 · Flagstaff, AZ · Nov 11, 2026

Soil temperature for ZIP code 86004

58°Faverage today, 0–4 in deep (modelled)
low 52°F · high 66°F

Modelled by NOAA GFS, not measured · run Nov 11, 12:00 UTC (7 am Eastern) · grid cell 17.3 km from the ZIP centre point

On a week ago

1° warmer

57°F on Nov 4

5-day mean

58°F

what the verdicts use

Held 55°F last spring

Feb 27

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	57.0°F	50.7°F	64.7°F	analysis
Nov 5	56.1°F	49.9°F	63.4°F	analysis
Nov 6	56.9°F	51.6°F	64.5°F	analysis
Nov 7	58.5°F	52.4°F	66.8°F	analysis
Nov 8	58.4°F	51.5°F	67.1°F	analysis
Nov 9	57.9°F	51.0°F	66.6°F	analysis
Nov 10	57.6°F	50.5°F	66.4°F	analysis
Today	58.1°F	51.7°F	66.4°F	analysis
Nov 12	58.1°F	51.4°F	66.8°F	forecast
Nov 13	58.1°F	52.5°F	64.8°F	forecast
Nov 14	57.5°F	53.0°F	62.9°F	forecast
Nov 15	55.5°F	49.7°F	62.2°F	forecast
Nov 16	54.7°F	48.0°F	63.6°F	forecast
Nov 17	55.6°F	50.3°F	61.3°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 14
50°F	Pre-emergent window opens	Feb 5
55°F	Crabgrass can germinate	Feb 27
60°F	Tomatoes	Mar 12
65°F	Warm-season grass seed	Mar 18

Flagstaff, AZ, 32 km away: the full city page, with the 2026 season chart, growing degree days and nearby cities →

This ZIP code area covers about 914 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.

86003 54°F · 86035 58°F · 86011 45°F · 86001 45°F · 86005 45°F · 86015 45°F · 86016 48°F · 86038 45°F

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

Questions

What is the soil temperature in ZIP code 86004 today?: About 58°F on average in the top 4 inches (0–10 cm), low 52°F and high 66°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 17.3 km from the ZIP centre, not a reading from your yard.
Is it time for crabgrass preventer in 86004?: The spring window is closed. It opens again when the soil holds 50°F. Last spring the soil held 50°F from Feb 5 and 55°F from Feb 27.

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).