What is the soil temperature in ZIP code 39635 today?

About 66°F on average in the top 4 inches (0–10 cm), low 64°F and high 69°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 8.8 km from the ZIP centre, not a reading from your yard.

Is it time for crabgrass preventer in 39635?

The spring window is closed. It opens again when the soil holds 50°F. Last spring the soil held 50°F from Feb 10 and 55°F from Feb 11.

ZIP 39635 · McComb, MS · Nov 11, 2026

Soil temperature for ZIP code 39635

66°Faverage today, 0–4 in deep (modelled)
low 64°F · high 69°F

Modelled by NOAA GFS, not measured · run Nov 11, 12:00 UTC (7 am Eastern) · grid cell 8.8 km from the ZIP centre point

On a week ago

6° cooler

71°F on Nov 4

5-day mean

63°F

what the verdicts use

Held 55°F last spring

Feb 11

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	71.4°F	70.8°F	72.2°F	analysis
Nov 5	67.7°F	64.9°F	70.2°F	analysis
Nov 6	66.7°F	64.4°F	68.8°F	analysis
Nov 7	64.7°F	63.6°F	66.3°F	analysis
Nov 8	59.9°F	57.8°F	61.8°F	analysis
Nov 9	59.8°F	57.1°F	63.4°F	analysis
Nov 10	63.0°F	60.6°F	66.4°F	analysis
Today	65.8°F	63.8°F	68.6°F	analysis
Nov 12	66.1°F	64.9°F	67.2°F	forecast
Nov 13	61.4°F	59.7°F	63.2°F	forecast
Nov 14	56.5°F	55.1°F	58.9°F	forecast
Nov 15	53.7°F	52.2°F	55.4°F	forecast
Nov 16	55.1°F	53.2°F	57.8°F	forecast
Nov 17	55.4°F	53.4°F	57.2°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 10
55°F	Crabgrass can germinate	Feb 11
60°F	Tomatoes	Mar 2
65°F	Warm-season grass seed	May 8

Hammond, LA, 76 km away: the full city page, with the 2026 season chart, growing degree days and nearby cities →

Nearby ZIP codes

Today's modelled average.

39648 66°F · 39652 66°F · 39666 66°F · 39657 66°F · 39664 66°F · 39662 65°F · 39629 65°F · 39667 66°F

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

Questions

What is the soil temperature in ZIP code 39635 today?: About 66°F on average in the top 4 inches (0–10 cm), low 64°F and high 69°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 8.8 km from the ZIP centre, not a reading from your yard.
Is it time for crabgrass preventer in 39635?: The spring window is closed. It opens again when the soil holds 50°F. Last spring the soil held 50°F from Feb 10 and 55°F from Feb 11.

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).