What is the soil temperature in ZIP code 73639 today?

About 60°F on average in the top 4 inches (0–10 cm), low 58°F and high 62°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 3.8 km from the ZIP centre, not a reading from your yard.

Is it time for crabgrass preventer in 73639?

The spring window is closed. It opens again when the soil holds 50°F. Last spring the soil held 50°F from Feb 9 and 55°F from Feb 28.

ZIP 73639 · Clinton, OK · Nov 11, 2026

Soil temperature for ZIP code 73639

60°Faverage today, 0–4 in deep (modelled)
low 58°F · high 62°F

Modelled by NOAA GFS, not measured · run Nov 11, 12:00 UTC (7 am Eastern) · grid cell 3.8 km from the ZIP centre point

On a week ago

1° warmer

59°F on Nov 4

5-day mean

55°F

what the verdicts use

Held 55°F last spring

Feb 28

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	58.7°F	55.9°F	61.8°F	analysis
Nov 5	56.7°F	55.3°F	58.6°F	analysis
Nov 6	52.5°F	50.7°F	53.9°F	analysis
Nov 7	50.5°F	47.4°F	53.8°F	analysis
Nov 8	52.7°F	49.2°F	57.8°F	analysis
Nov 9	55.0°F	52.2°F	58.5°F	analysis
Nov 10	57.2°F	54.4°F	61.2°F	analysis
Today	59.5°F	57.7°F	61.8°F	analysis
Nov 12	58.6°F	55.9°F	61.9°F	forecast
Nov 13	55.7°F	54.1°F	58.2°F	forecast
Nov 14	51.5°F	49.6°F	53.3°F	forecast
Nov 15	50.1°F	48.0°F	52.3°F	forecast
Nov 16	47.5°F	46.9°F	48.7°F	forecast
Nov 17	49.7°F	48.7°F	51.3°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	Feb 5
50°F	Pre-emergent window opens	Feb 9
55°F	Crabgrass can germinate	Feb 28
60°F	Tomatoes	Mar 21
65°F	Warm-season grass seed	May 12

Nearby ZIP codes

Today's modelled average.

73620 60°F · 73659 60°F · 73669 60°F · 73625 60°F · 73601 60°F · 73667 60°F · 73646 60°F · 73658 60°F

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

Questions

What is the soil temperature in ZIP code 73639 today?: About 60°F on average in the top 4 inches (0–10 cm), low 58°F and high 62°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 3.8 km from the ZIP centre, not a reading from your yard.
Is it time for crabgrass preventer in 73639?: The spring window is closed. It opens again when the soil holds 50°F. Last spring the soil held 50°F from Feb 9 and 55°F from Feb 28.

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).