ZIP 73642 · Oklahoma · Nov 11, 2026

Soil temperature for ZIP code 73642

61°Faverage today, 0–4 in deep (modelled)
low 57°F · high 66°F

Modelled by NOAA GFS, not measured · run Nov 11, 12:00 UTC (7 am Eastern) · grid cell 11.5 km from the ZIP centre point

On a week ago
2° warmer
59°F on Nov 4
5-day mean
58°F
what the verdicts use
Held 55°F last spring
Feb 27
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.

40°50°60°70°80°50–55°F windowNov 4Nov 6Nov 8TodayNov 14Nov 1659°61°50°
View as table
DayAverageLowHigh
Nov 458.9°F53.0°F65.7°Fanalysis
Nov 556.6°F54.2°F60.0°Fanalysis
Nov 653.3°F48.2°F59.1°Fanalysis
Nov 753.4°F47.2°F60.0°Fanalysis
Nov 856.6°F49.9°F64.4°Fanalysis
Nov 958.2°F52.6°F64.3°Fanalysis
Nov 1060.2°F54.4°F67.1°Fanalysis
Today61.1°F56.8°F65.6°Fanalysis
Nov 1260.0°F54.6°F66.1°Fforecast
Nov 1356.8°F52.7°F59.7°Fforecast
Nov 1452.6°F48.5°F56.8°Fforecast
Nov 1549.8°F46.7°F53.9°Fforecast
Nov 1646.4°F45.6°F47.8°Fforecast
Nov 1749.7°F47.1°F53.7°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 3
50°FPre-emergent window opensFeb 8
55°FCrabgrass can germinateFeb 27
60°FTomatoesMar 20
65°FWarm-season grass seedMar 21

Nearby ZIP codes

Today's modelled average.

73638 61°F · 73660 61°F · 79003 61°F · 73628 61°F · 73832 60°F · 79011 61°F · 73858 60°F · 79046 60°F

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

Questions

What is the soil temperature in ZIP code 73642 today?
About 61°F on average in the top 4 inches (0–10 cm), low 57°F and high 66°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 11.5 km from the ZIP centre, not a reading from your yard.
Is it time for crabgrass preventer in 73642?
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 27.

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).