ZIP 29693 · Seneca, SC · Nov 11, 2026

Soil temperature for ZIP code 29693

58°Faverage today, 0–4 in deep (modelled)
low 55°F · high 60°F

Modelled by NOAA GFS, not measured · run Nov 11, 12:00 UTC (7 am Eastern) · grid cell 14.9 km from the ZIP centre point

On a week ago
5° cooler
62°F on Nov 4
5-day mean
58°F
what the verdicts use
Held 55°F last spring
Mar 6
crabgrass germination temperature

What the soil says today

  • Pre-emergentSeason over
  • Cool-season seedToo late in the season
  • Warm-season seedToo cold
  • TomatoesToo cold
  • 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.

30°40°50°60°70°80°50–55°F windowNov 4Nov 6Nov 8TodayNov 14Nov 1662°58°46°
View as table
DayAverageLowHigh
Nov 462.5°F62.0°F63.1°Fanalysis
Nov 563.8°F62.2°F65.8°Fanalysis
Nov 664.2°F62.2°F66.1°Fanalysis
Nov 760.2°F57.8°F61.7°Fanalysis
Nov 857.6°F54.8°F59.8°Fanalysis
Nov 957.2°F53.2°F61.0°Fanalysis
Nov 1058.0°F54.6°F60.9°Fanalysis
Today57.6°F54.6°F60.0°Fanalysis
Nov 1257.7°F56.6°F58.4°Fforecast
Nov 1351.3°F49.0°F53.5°Fforecast
Nov 1446.6°F43.7°F49.0°Fforecast
Nov 1545.5°F42.2°F48.3°Fforecast
Nov 1646.6°F44.2°F48.4°Fforecast
Nov 1746.4°F43.3°F49.2°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 8
50°FPre-emergent window opensMar 2
55°FCrabgrass can germinateMar 6
60°FTomatoesApr 14
65°FWarm-season grass seedMay 20

Clemson, SC, 29 km away: the full city page, with the 2026 season chart, growing degree days and nearby cities →

Nearby ZIP codes

Today's modelled average.

29691 59°F · 30557 59°F · 30538 59°F · 30577 59°F · 30598 59°F · 29658 58°F · 29678 59°F · 29696 59°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 29693 today?
About 58°F on average in the top 4 inches (0–10 cm), low 55°F and high 60°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 14.9 km from the ZIP centre, not a reading from your yard.
Is it time for crabgrass preventer in 29693?
The spring window is closed. It opens again when the soil holds 50°F. Last spring the soil held 50°F from Mar 2 and 55°F from Mar 6.

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).