ZIP 62928 · Harrisburg, IL · Nov 11, 2026

Soil temperature for ZIP code 62928

57°Faverage today, 0–4 in deep (modelled)
low 53°F · high 61°F

Modelled by NOAA GFS, not measured · run Nov 11, 12:00 UTC (7 am Eastern) · grid cell 6.5 km from the ZIP centre point

On a week ago
9° cooler
66°F on Nov 4
5-day mean
53°F
what the verdicts use
Held 55°F last spring
Mar 29
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 1666°57°44°
View as table
DayAverageLowHigh
Nov 465.9°F64.6°F67.4°Fanalysis
Nov 559.1°F56.6°F60.8°Fanalysis
Nov 656.0°F54.8°F57.7°Fanalysis
Nov 749.4°F46.5°F51.2°Fanalysis
Nov 848.5°F45.1°F52.4°Fanalysis
Nov 952.8°F48.7°F57.9°Fanalysis
Nov 1056.1°F53.2°F59.2°Fanalysis
Today56.7°F53.3°F60.7°Fanalysis
Nov 1255.8°F54.7°F58.6°Fforecast
Nov 1347.3°F45.6°F50.1°Fforecast
Nov 1442.7°F39.7°F45.2°Fforecast
Nov 1543.0°F39.8°F46.4°Fforecast
Nov 1644.1°F41.1°F47.1°Fforecast
Nov 1744.3°F41.1°F47.6°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 14
50°FPre-emergent window opensMar 5
55°FCrabgrass can germinateMar 29
60°FTomatoesMay 13
65°FWarm-season grass seedMay 27

Paducah, KY, 44 km away: the full city page, with the 2026 season chart, growing degree days and nearby cities →

Nearby ZIP codes

Today's modelled average.

62938 57°F · 62985 57°F · 62947 57°F · 62987 57°F · 62982 57°F · 62967 57°F · 62943 57°F · 62972 57°F

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

Questions

What is the soil temperature in ZIP code 62928 today?
About 57°F on average in the top 4 inches (0–10 cm), low 53°F and high 61°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 6.5 km from the ZIP centre, not a reading from your yard.
Is it time for crabgrass preventer in 62928?
The spring window is closed. It opens again when the soil holds 50°F. Last spring the soil held 50°F from Mar 5 and 55°F from Mar 29.

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).