What is the soil temperature in ZIP code 38921 today?

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

Is it time for crabgrass preventer in 38921?

The spring window is closed. It opens again when the soil holds 50°F. Last spring the soil held 50°F from Feb 11 and 55°F from Mar 1.

ZIP 38921 · Grenada, MS · Nov 11, 2026

Soil temperature for ZIP code 38921

62°Faverage today, 0–4 in deep (modelled)
low 60°F · high 66°F

Modelled by NOAA GFS, not measured · run Nov 11, 12:00 UTC (7 am Eastern) · grid cell 10 km from the ZIP centre point

On a week ago

8° cooler

70°F on Nov 4

5-day mean

58°F

what the verdicts use

Held 55°F last spring

Mar 1

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	70.3°F	69.6°F	72.4°F	analysis
Nov 5	65.3°F	61.1°F	69.0°F	analysis
Nov 6	63.9°F	61.7°F	65.4°F	analysis
Nov 7	58.6°F	56.4°F	60.9°F	analysis
Nov 8	54.3°F	50.6°F	57.5°F	analysis
Nov 9	55.8°F	50.6°F	61.8°F	analysis
Nov 10	59.5°F	55.0°F	64.5°F	analysis
Today	62.5°F	59.8°F	66.2°F	analysis
Nov 12	62.5°F	59.7°F	64.0°F	forecast
Nov 13	55.9°F	53.4°F	59.1°F	forecast
Nov 14	50.1°F	46.0°F	53.1°F	forecast
Nov 15	48.5°F	45.8°F	51.2°F	forecast
Nov 16	51.5°F	47.6°F	56.1°F	forecast
Nov 17	52.4°F	48.0°F	56.7°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 7
50°F	Pre-emergent window opens	Feb 11
55°F	Crabgrass can germinate	Mar 1
60°F	Tomatoes	Mar 2
65°F	Warm-season grass seed	Apr 12

Clarksdale, MS, 46 km away: the full city page, with the 2026 season chart, growing degree days and nearby cities →

Nearby ZIP codes

Today's modelled average.

38962 63°F · 38920 61°F · 38963 62°F · 38966 62°F · 38928 63°F · 38953 61°F · 38622 62°F · 38927 60°F

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

Questions

What is the soil temperature in ZIP code 38921 today?: About 62°F on average in the top 4 inches (0–10 cm), low 60°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 10 km from the ZIP centre, not a reading from your yard.
Is it time for crabgrass preventer in 38921?: The spring window is closed. It opens again when the soil holds 50°F. Last spring the soil held 50°F from Feb 11 and 55°F from Mar 1.

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).