What is the soil temperature in ZIP code 30477 today?

About 64°F on average in the top 4 inches (0–10 cm), low 60°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 15.6 km from the ZIP centre, not a reading from your yard.

Is it time for crabgrass preventer in 30477?

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 30477 · Swainsboro, GA · Nov 11, 2026

Soil temperature for ZIP code 30477

64°Faverage today, 0–4 in deep (modelled)
low 60°F · high 67°F

Modelled by NOAA GFS, not measured · run Nov 11, 12:00 UTC (7 am Eastern) · grid cell 15.6 km from the ZIP centre point

On a week ago

7° cooler

70°F on Nov 4

5-day mean

65°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
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	70.4°F	67.9°F	72.6°F	analysis
Nov 5	73.0°F	69.9°F	76.3°F	analysis
Nov 6	74.2°F	72.4°F	75.3°F	analysis
Nov 7	68.3°F	65.1°F	70.3°F	analysis
Nov 8	65.4°F	62.0°F	67.9°F	analysis
Nov 9	63.6°F	60.2°F	66.3°F	analysis
Nov 10	62.6°F	58.4°F	66.3°F	analysis
Today	63.8°F	60.5°F	66.6°F	analysis
Nov 12	63.9°F	60.9°F	66.6°F	forecast
Nov 13	59.3°F	57.2°F	62.2°F	forecast
Nov 14	53.8°F	50.7°F	55.3°F	forecast
Nov 15	51.2°F	47.8°F	54.1°F	forecast
Nov 16	52.3°F	49.6°F	54.7°F	forecast
Nov 17	54.6°F	52.8°F	56.4°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 4
50°F	Pre-emergent window opens	Feb 11
55°F	Crabgrass can germinate	Mar 1
60°F	Tomatoes	Mar 5
65°F	Warm-season grass seed	Apr 14

Dublin, GA, 59 km away: the full city page, with the 2026 season chart, growing degree days and nearby cities →

Nearby ZIP codes

Today's modelled average.

30413 64°F · 30441 64°F · 30434 64°F · 31049 64°F · 31018 64°F · 31035 64°F · 30401 64°F · 31096 64°F

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

Questions

What is the soil temperature in ZIP code 30477 today?: About 64°F on average in the top 4 inches (0–10 cm), low 60°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 15.6 km from the ZIP centre, not a reading from your yard.
Is it time for crabgrass preventer in 30477?: 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).