What is the soil temperature in ZIP code 31791 today?

About 64°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 10.5 km from the ZIP centre, not a reading from your yard.

Is it time for crabgrass preventer in 31791?

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 12.

ZIP 31791 · Sylvester, GA · Nov 11, 2026

Soil temperature for ZIP code 31791

64°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 10.5 km from the ZIP centre point

On a week ago

9° cooler

73°F on Nov 4

5-day mean

65°F

what the verdicts use

Held 55°F last spring

Feb 12

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	72.9°F	70.3°F	75.1°F	analysis
Nov 5	73.7°F	69.9°F	76.8°F	analysis
Nov 6	74.1°F	71.2°F	75.4°F	analysis
Nov 7	67.5°F	64.7°F	70.1°F	analysis
Nov 8	63.7°F	58.2°F	68.8°F	analysis
Nov 9	64.5°F	59.6°F	68.2°F	analysis
Nov 10	64.0°F	58.6°F	68.8°F	analysis
Today	64.3°F	61.6°F	66.6°F	analysis
Nov 12	64.0°F	60.2°F	68.0°F	forecast
Nov 13	60.6°F	57.3°F	63.1°F	forecast
Nov 14	54.2°F	50.5°F	56.2°F	forecast
Nov 15	52.8°F	48.1°F	57.6°F	forecast
Nov 16	55.6°F	53.4°F	57.5°F	forecast
Nov 17	55.9°F	55.0°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	never below
50°F	Pre-emergent window opens	Feb 10
55°F	Crabgrass can germinate	Feb 12
60°F	Tomatoes	Mar 3
65°F	Warm-season grass seed	Mar 6

Albany, GA, 25 km away: the full city page, with the 2026 season chart, growing degree days and nearby cities →

Nearby ZIP codes

Today's modelled average.

31781 64°F · 31705 64°F · 31704 64°F · 31789 64°F · 31744 65°F · 31772 64°F · 31701 64°F · 31795 64°F

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

Questions

What is the soil temperature in ZIP code 31791 today?: About 64°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 10.5 km from the ZIP centre, not a reading from your yard.
Is it time for crabgrass preventer in 31791?: 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 12.

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).