ZIP 62379 · Quincy, IL · Nov 11, 2026

Soil temperature for ZIP code 62379

55°Faverage today, 0–4 in deep (modelled)
low 52°F · high 57°F

Modelled by NOAA GFS, not measured · run Nov 11, 12:00 UTC (7 am Eastern) · grid cell 8.5 km from the ZIP centre point

On a week ago
4° cooler
59°F on Nov 4
5-day mean
51°F
what the verdicts use
Held 55°F last spring
Apr 12
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°50–55°F windowNov 4Nov 6Nov 8TodayNov 14Nov 1659°55°43°
View as table
DayAverageLowHigh
Nov 459.0°F57.0°F62.0°Fanalysis
Nov 552.7°F52.1°F54.2°Fanalysis
Nov 651.2°F50.5°F51.9°Fanalysis
Nov 745.7°F42.5°F48.3°Fanalysis
Nov 847.4°F43.1°F53.3°Fanalysis
Nov 951.0°F46.5°F56.3°Fanalysis
Nov 1054.9°F51.8°F57.9°Fanalysis
Today54.6°F51.9°F57.1°Fanalysis
Nov 1250.0°F47.7°F53.0°Fforecast
Nov 1341.8°F39.3°F43.3°Fforecast
Nov 1440.1°F36.2°F43.7°Fforecast
Nov 1541.2°F37.5°F44.9°Fforecast
Nov 1642.1°F38.1°F46.3°Fforecast
Nov 1743.1°F39.3°F47.0°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 28
50°FPre-emergent window opensMar 22
55°FCrabgrass can germinateApr 12
60°FTomatoesMay 16
65°FWarm-season grass seedMay 28

Quincy, IL, 37 km away: the full city page, with the 2026 season chart, growing degree days and nearby cities →

Nearby ZIP codes

Today's modelled average.

62373 55°F · 62348 55°F · 62313 55°F · 63430 54°F · 63435 55°F · 62376 55°F · 63466 55°F · 62380 55°F

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

Questions

What is the soil temperature in ZIP code 62379 today?
About 55°F on average in the top 4 inches (0–10 cm), low 52°F and high 57°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 8.5 km from the ZIP centre, not a reading from your yard.
Is it time for crabgrass preventer in 62379?
The spring window is closed. It opens again when the soil holds 50°F. Last spring the soil held 50°F from Mar 22 and 55°F from Apr 12.

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).