ZIP 29550 · Hartsville, SC · Nov 11, 2026

Soil temperature for ZIP code 29550

62°Faverage today, 0–4 in deep (modelled)
low 57°F · high 66°F

Modelled by NOAA GFS, not measured · run Nov 11, 12:00 UTC (7 am Eastern) · grid cell 13.8 km from the ZIP centre point

On a week ago
4° 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.

40°50°60°70°80°50–55°F windowNov 4Nov 6Nov 8TodayNov 14Nov 1666°62°52°
View as table
DayAverageLowHigh
Nov 466.0°F62.2°F69.4°Fanalysis
Nov 569.7°F66.3°F73.3°Fanalysis
Nov 669.1°F67.9°F71.4°Fanalysis
Nov 763.3°F60.2°F64.9°Fanalysis
Nov 859.6°F54.2°F62.9°Fanalysis
Nov 960.8°F54.9°F65.8°Fanalysis
Nov 1061.1°F55.3°F65.6°Fanalysis
Today62.1°F56.9°F66.1°Fanalysis
Nov 1263.6°F60.0°F66.2°Fforecast
Nov 1357.3°F54.1°F59.8°Fforecast
Nov 1451.5°F48.0°F53.1°Fforecast
Nov 1548.6°F44.2°F51.8°Fforecast
Nov 1650.2°F46.0°F53.6°Fforecast
Nov 1752.5°F49.4°F55.6°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 10
50°FPre-emergent window opensMar 1
55°FCrabgrass can germinateMar 2
60°FTomatoesMar 23
65°FWarm-season grass seedApr 14

Florence, SC, 36 km away: the full city page, with the 2026 season chart, growing degree days and nearby cities →

Nearby ZIP codes

Today's modelled average.

29079 63°F · 29101 62°F · 29584 62°F · 29540 62°F · 29593 62°F · 29069 63°F · 29532 63°F · 29010 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 29550 today?
About 62°F on average in the top 4 inches (0–10 cm), low 57°F and high 66°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 13.8 km from the ZIP centre, not a reading from your yard.
Is it time for crabgrass preventer in 29550?
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).