What is the soil temperature in ZIP code 30668 today?

About 60°F on average in the top 4 inches (0–10 cm), low 57°F and high 62°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 12.6 km from the ZIP centre, not a reading from your yard.

Is it time for crabgrass preventer in 30668?

The spring window is closed. It opens again when the soil holds 50°F. Last spring the soil held 50°F from Mar 1 and 55°F from Mar 2.

ZIP 30668 · Georgia · Nov 11, 2026

Soil temperature for ZIP code 30668

60°Faverage today, 0–4 in deep (modelled)
low 57°F · high 62°F

Modelled by NOAA GFS, not measured · run Nov 11, 12:00 UTC (7 am Eastern) · grid cell 12.6 km from the ZIP centre point

On a week ago

6° cooler

66°F on Nov 4

5-day mean

61°F

what the verdicts use

Held 55°F last spring

Mar 2

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	66.4°F	64.9°F	68.1°F	analysis
Nov 5	68.5°F	67.1°F	70.1°F	analysis
Nov 6	69.0°F	67.6°F	70.2°F	analysis
Nov 7	64.2°F	61.4°F	65.8°F	analysis
Nov 8	61.4°F	58.2°F	63.6°F	analysis
Nov 9	60.1°F	56.2°F	63.3°F	analysis
Nov 10	60.0°F	56.1°F	63.3°F	analysis
Today	60.1°F	57.1°F	62.5°F	analysis
Nov 12	61.3°F	59.7°F	62.6°F	forecast
Nov 13	56.0°F	54.2°F	58.8°F	forecast
Nov 14	50.0°F	46.9°F	51.7°F	forecast
Nov 15	48.6°F	44.7°F	52.1°F	forecast
Nov 16	50.1°F	47.4°F	52.2°F	forecast
Nov 17	50.6°F	48.0°F	53.1°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	Mar 1
55°F	Crabgrass can germinate	Mar 2
60°F	Tomatoes	Mar 30
65°F	Warm-season grass seed	May 10

Greenwood, SC, 60 km away: the full city page, with the 2026 season chart, growing degree days and nearby cities →

Nearby ZIP codes

Today's modelled average.

29840 60°F · 30673 61°F · 29628 60°F · 30635 60°F · 30660 61°F · 30627 60°F · 30817 62°F · 30648 61°F

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

Questions

What is the soil temperature in ZIP code 30668 today?: About 60°F on average in the top 4 inches (0–10 cm), low 57°F and high 62°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 12.6 km from the ZIP centre, not a reading from your yard.
Is it time for crabgrass preventer in 30668?: The spring window is closed. It opens again when the soil holds 50°F. Last spring the soil held 50°F from Mar 1 and 55°F from Mar 2.

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).