What is the soil temperature in ZIP code 73030 today?

About 65°F on average in the top 4 inches (0–10 cm), low 62°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 6.4 km from the ZIP centre, not a reading from your yard.

Is it time for crabgrass preventer in 73030?

The spring window is closed. It opens again when the soil holds 50°F. Last spring the soil held 50°F from Feb 7 and 55°F from Feb 10.

ZIP 73030 · Sulphur, OK · Nov 11, 2026

Soil temperature for ZIP code 73030

65°Faverage today, 0–4 in deep (modelled)
low 62°F · high 67°F

Modelled by NOAA GFS, not measured · run Nov 11, 12:00 UTC (7 am Eastern) · grid cell 6.4 km from the ZIP centre point

On a week ago

3° warmer

62°F on Nov 4

5-day mean

60°F

what the verdicts use

Held 55°F last spring

Feb 10

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	61.7°F	59.1°F	64.2°F	analysis
Nov 5	62.0°F	59.5°F	64.8°F	analysis
Nov 6	60.2°F	58.9°F	62.0°F	analysis
Nov 7	56.3°F	54.1°F	58.7°F	analysis
Nov 8	57.3°F	54.2°F	60.9°F	analysis
Nov 9	59.0°F	55.8°F	63.0°F	analysis
Nov 10	63.1°F	60.8°F	66.2°F	analysis
Today	64.6°F	62.2°F	67.1°F	analysis
Nov 12	61.9°F	59.1°F	64.6°F	forecast
Nov 13	58.9°F	57.0°F	61.1°F	forecast
Nov 14	55.0°F	53.2°F	56.6°F	forecast
Nov 15	52.9°F	49.6°F	55.9°F	forecast
Nov 16	50.9°F	48.8°F	54.7°F	forecast
Nov 17	51.9°F	49.2°F	54.9°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 4
50°F	Pre-emergent window opens	Feb 7
55°F	Crabgrass can germinate	Feb 10
60°F	Tomatoes	Mar 1
65°F	Warm-season grass seed	Mar 22

Ardmore, OK, 33 km away: the full city page, with the 2026 season chart, growing degree days and nearby cities →

Nearby ZIP codes

Today's modelled average.

73032 65°F · 73098 64°F · 73458 66°F · 73444 64°F · 73086 65°F · 73487 64°F · 73437 65°F · 73436 66°F

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

Questions

What is the soil temperature in ZIP code 73030 today?: About 65°F on average in the top 4 inches (0–10 cm), low 62°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 6.4 km from the ZIP centre, not a reading from your yard.
Is it time for crabgrass preventer in 73030?: The spring window is closed. It opens again when the soil holds 50°F. Last spring the soil held 50°F from Feb 7 and 55°F from Feb 10.

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).