What is the soil temperature in ZIP code 85018 today?

About 77°F on average in the top 4 inches (0–10 cm), low 72°F and high 84°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 2.3 km from the ZIP centre, not a reading from your yard.

Is it time for crabgrass preventer in 85018?

Soil here stayed above 50°F all last winter, so the 50 to 55°F soil rule gives no spring window. Time pre-emergent to your local calendar.

ZIP 85018 · Paradise Valley, AZ · Nov 11, 2026

Soil temperature for ZIP code 85018

77°Faverage today, 0–4 in deep (modelled)
low 72°F · high 84°F

Modelled by NOAA GFS, not measured · run Nov 11, 12:00 UTC (7 am Eastern) · grid cell 2.3 km from the ZIP centre point

On a week ago

2° warmer

75°F on Nov 4

5-day mean

77°F

what the verdicts use

Held 55°F last spring

All winter

crabgrass germination temperature

What the soil says today

Pre-emergentSeason over
Cool-season seedToo late in the season
Warm-season seedWarm enough
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	75.1°F	69.8°F	81.6°F	analysis
Nov 5	74.8°F	69.6°F	81.9°F	analysis
Nov 6	75.6°F	70.3°F	82.9°F	analysis
Nov 7	76.3°F	71.2°F	83.2°F	analysis
Nov 8	76.7°F	71.5°F	83.8°F	analysis
Nov 9	76.7°F	71.1°F	83.9°F	analysis
Nov 10	76.9°F	71.4°F	84.2°F	analysis
Today	76.9°F	71.7°F	84.0°F	analysis
Nov 12	77.0°F	71.5°F	84.1°F	forecast
Nov 13	76.5°F	73.0°F	79.8°F	forecast
Nov 14	73.3°F	69.8°F	76.6°F	forecast
Nov 15	73.1°F	69.0°F	79.9°F	forecast
Nov 16	74.3°F	69.4°F	81.1°F	forecast
Nov 17	74.9°F	70.4°F	80.1°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	never below
55°F	Crabgrass can germinate	never below
60°F	Tomatoes	Jan 15
65°F	Warm-season grass seed	Feb 1

Phoenix, AZ, 11 km away: the full city page, with the 2026 season chart, growing degree days and nearby cities →

Nearby ZIP codes

Today's modelled average.

85016 77°F · 85253 77°F · 85014 77°F · 85008 77°F · 85028 77°F · 85012 77°F · 85251 77°F · 85020 77°F

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

Questions

What is the soil temperature in ZIP code 85018 today?: About 77°F on average in the top 4 inches (0–10 cm), low 72°F and high 84°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 2.3 km from the ZIP centre, not a reading from your yard.
Is it time for crabgrass preventer in 85018?: Soil here stayed above 50°F all last winter, so the 50 to 55°F soil rule gives no spring window. Time pre-emergent to your local calendar.

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).