ZIP 29474 · Walterboro, SC · Nov 11, 2026

Soil temperature for ZIP code 29474

64°Faverage today, 0–4 in deep (modelled)
low 60°F · high 68°F

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

On a week ago
6° cooler
70°F on Nov 4
5-day mean
64°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.

40°50°60°70°80°50–55°F windowNov 4Nov 6Nov 8TodayNov 14Nov 1670°64°55°
View as table
DayAverageLowHigh
Nov 470.0°F66.7°F73.0°Fanalysis
Nov 571.7°F68.5°F74.4°Fanalysis
Nov 672.2°F69.9°F73.4°Fanalysis
Nov 767.8°F65.4°F69.2°Fanalysis
Nov 864.1°F60.5°F66.1°Fanalysis
Nov 962.8°F58.6°F66.6°Fanalysis
Nov 1062.8°F58.0°F66.9°Fanalysis
Today64.3°F60.2°F68.3°Fanalysis
Nov 1265.1°F61.4°F68.5°Fforecast
Nov 1360.1°F57.9°F63.6°Fforecast
Nov 1453.1°F49.8°F54.7°Fforecast
Nov 1550.8°F47.0°F53.6°Fforecast
Nov 1652.1°F48.3°F55.4°Fforecast
Nov 1754.7°F53.7°F55.8°Fforecast
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.

SoilWhat it meansHeld from (spring 2026)
40°FPeas and lettuceFeb 5
50°FPre-emergent window opensFeb 12
55°FCrabgrass can germinateMar 1
60°FTomatoesMar 5
65°FWarm-season grass seedApr 14

Summerville, SC, 35 km away: the full city page, with the 2026 season chart, growing degree days and nearby cities →

Nearby ZIP codes

Today's modelled average.

29435 64°F · 29488 64°F · 29426 66°F · 29452 65°F · 29472 64°F · 29437 63°F · 29475 64°F · 29477 63°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 29474 today?
About 64°F on average in the top 4 inches (0–10 cm), low 60°F and high 68°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 11 km from the ZIP centre, not a reading from your yard.
Is it time for crabgrass preventer in 29474?
The spring window is closed. It opens again when the soil holds 50°F. Last spring the soil held 50°F from Feb 12 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).