ZIP 86435 · Arizona · Nov 11, 2026

Soil temperature for ZIP code 86435

51°Faverage today, 0–4 in deep (modelled)
low 45°F · high 58°F

Modelled by NOAA GFS, not measured · run Nov 11, 12:00 UTC (7 am Eastern) · grid cell 5 km from the ZIP centre point

On a week ago
3° warmer
48°F on Nov 4
5-day mean
50°F
what the verdicts use
Held 55°F last spring
Mar 14
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.

30°40°50°60°70°50–55°F windowNov 4Nov 6Nov 8TodayNov 14Nov 1648°51°49°
View as table
DayAverageLowHigh
Nov 448.0°F43.3°F54.5°Fanalysis
Nov 547.7°F42.8°F54.2°Fanalysis
Nov 648.4°F43.3°F55.3°Fanalysis
Nov 749.4°F44.0°F56.8°Fanalysis
Nov 849.5°F43.8°F57.2°Fanalysis
Nov 950.5°F44.3°F59.1°Fanalysis
Nov 1050.8°F45.1°F58.4°Fanalysis
Today50.6°F44.9°F58.1°Fanalysis
Nov 1250.5°F45.2°F57.6°Fforecast
Nov 1350.1°F46.7°F53.8°Fforecast
Nov 1448.7°F46.0°F52.4°Fforecast
Nov 1546.6°F42.0°F53.1°Fforecast
Nov 1646.9°F41.7°F54.0°Fforecast
Nov 1749.3°F46.9°F52.3°Fforecast
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.

SoilWhat it meansHeld from (spring 2026)
40°FPeas and lettuceFeb 1
50°FPre-emergent window opensMar 11
55°FCrabgrass can germinateMar 14
60°FTomatoesMar 19
65°FWarm-season grass seedMar 22

This ZIP code area covers about 1,169 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.

86052 52°F · 86023 51°F · 86022 54°F · 86021 56°F

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

Questions

What is the soil temperature in ZIP code 86435 today?
About 51°F on average in the top 4 inches (0–10 cm), low 45°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 5 km from the ZIP centre, not a reading from your yard.
Is it time for crabgrass preventer in 86435?
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 14.

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).