What is the soil temperature in ZIP code 29666 today?

About 60°F on average in the top 4 inches (0–10 cm), low 58°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 12.7 km from the ZIP centre, not a reading from your yard.

Is it time for crabgrass preventer in 29666?

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 3.

ZIP 29666 · Greenwood, SC · Nov 11, 2026

Soil temperature for ZIP code 29666

60°Faverage today, 0–4 in deep (modelled)
low 58°F · high 62°F

Modelled by NOAA GFS, not measured · run Nov 11, 12:00 UTC (7 am Eastern) · grid cell 12.7 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 3

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	66.3°F	64.5°F	68.6°F	analysis
Nov 5	68.8°F	67.4°F	70.2°F	analysis
Nov 6	68.7°F	67.8°F	69.4°F	analysis
Nov 7	64.6°F	62.7°F	66.3°F	analysis
Nov 8	61.2°F	58.6°F	62.7°F	analysis
Nov 9	60.1°F	56.8°F	62.9°F	analysis
Nov 10	60.0°F	56.6°F	62.9°F	analysis
Today	60.2°F	57.7°F	62.2°F	analysis
Nov 12	61.0°F	59.1°F	62.5°F	forecast
Nov 13	56.4°F	54.8°F	58.9°F	forecast
Nov 14	51.0°F	48.7°F	52.7°F	forecast
Nov 15	48.4°F	45.2°F	51.1°F	forecast
Nov 16	49.7°F	47.4°F	51.7°F	forecast
Nov 17	50.9°F	49.0°F	53.0°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 3
60°F	Tomatoes	Apr 13
65°F	Warm-season grass seed	May 17

Greenwood, SC, 19 km away: the full city page, with the 2026 season chart, growing degree days and nearby cities →

Nearby ZIP codes

Today's modelled average.

29037 60°F · 29646 60°F · 29848 60°F · 29332 60°F · 29145 60°F · 29138 61°F · 29649 60°F · 29819 60°F

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

Questions

What is the soil temperature in ZIP code 29666 today?: About 60°F on average in the top 4 inches (0–10 cm), low 58°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 12.7 km from the ZIP centre, not a reading from your yard.
Is it time for crabgrass preventer in 29666?: 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 3.

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).