What is the soil temperature in ZIP code 73055 today?

About 63°F on average in the top 4 inches (0–10 cm), low 60°F and high 65°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 13.6 km from the ZIP centre, not a reading from your yard.

Is it time for crabgrass preventer in 73055?

The spring window is closed. It opens again when the soil holds 50°F. Last spring the soil held 50°F from Feb 8 and 55°F from Feb 10.

ZIP 73055 · Duncan, OK · Nov 11, 2026

Soil temperature for ZIP code 73055

63°Faverage today, 0–4 in deep (modelled)
low 60°F · high 65°F

Modelled by NOAA GFS, not measured · run Nov 11, 12:00 UTC (7 am Eastern) · grid cell 13.6 km from the ZIP centre point

On a week ago

2° warmer

60°F on Nov 4

5-day mean

58°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
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	60.5°F	57.0°F	64.2°F	analysis
Nov 5	60.9°F	58.2°F	62.7°F	analysis
Nov 6	58.0°F	56.4°F	59.3°F	analysis
Nov 7	53.8°F	51.0°F	57.0°F	analysis
Nov 8	55.2°F	51.2°F	60.3°F	analysis
Nov 9	57.7°F	53.7°F	62.7°F	analysis
Nov 10	61.6°F	58.6°F	65.9°F	analysis
Today	62.6°F	60.0°F	65.1°F	analysis
Nov 12	60.5°F	56.9°F	64.1°F	forecast
Nov 13	57.9°F	55.7°F	60.0°F	forecast
Nov 14	53.9°F	51.4°F	56.2°F	forecast
Nov 15	52.1°F	48.7°F	55.2°F	forecast
Nov 16	50.4°F	47.8°F	54.7°F	forecast
Nov 17	52.1°F	50.8°F	54.4°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 8
55°F	Crabgrass can germinate	Feb 10
60°F	Tomatoes	Mar 21
65°F	Warm-season grass seed	May 13

Duncan, OK, 16 km away: the full city page, with the 2026 season chart, growing degree days and nearby cities →

Nearby ZIP codes

Today's modelled average.

73082 63°F · 73533 64°F · 73567 63°F · 73011 63°F · 73541 63°F · 73067 62°F · 73491 64°F · 73434 64°F

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

Questions

What is the soil temperature in ZIP code 73055 today?: About 63°F on average in the top 4 inches (0–10 cm), low 60°F and high 65°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 13.6 km from the ZIP centre, not a reading from your yard.
Is it time for crabgrass preventer in 73055?: The spring window is closed. It opens again when the soil holds 50°F. Last spring the soil held 50°F from Feb 8 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).