ZIP 61019 · Freeport, IL · Nov 11, 2026

Soil temperature for ZIP code 61019

47°Faverage today, 0–4 in deep (modelled)
low 47°F · high 48°F

Modelled by NOAA GFS, not measured · run Nov 11, 12:00 UTC (7 am Eastern) · grid cell 10 km from the ZIP centre point

On a week ago
11° cooler
58°F on Nov 4
5-day mean
45°F
what the verdicts use
Held 55°F last spring
May 17
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 1658°47°39°
View as table
DayAverageLowHigh
Nov 458.2°F55.2°F60.9°Fanalysis
Nov 551.1°F50.1°F53.0°Fanalysis
Nov 645.7°F44.4°F48.3°Fanalysis
Nov 741.4°F38.4°F44.3°Fanalysis
Nov 844.1°F40.9°F48.4°Fanalysis
Nov 945.9°F42.9°F49.1°Fanalysis
Nov 1048.6°F45.6°F51.8°Fanalysis
Today47.4°F46.7°F48.3°Fanalysis
Nov 1243.4°F41.8°F46.0°Fforecast
Nov 1337.5°F36.4°F38.4°Fforecast
Nov 1436.1°F34.9°F38.6°Fforecast
Nov 1537.6°F35.3°F40.4°Fforecast
Nov 1638.0°F35.2°F41.2°Fforecast
Nov 1739.1°F35.9°F42.4°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 lettuceMar 21
50°FPre-emergent window opensMay 13
55°FCrabgrass can germinateMay 17
60°FTomatoesMay 27
65°FWarm-season grass seednot reached

Freeport, IL, 23 km away: the full city page, with the 2026 season chart, growing degree days and nearby cities →

Nearby ZIP codes

Today's modelled average.

61070 47°F · 61024 48°F · 61018 47°F · 53550 47°F · 61063 48°F · 61067 47°F · 61079 48°F · 61060 47°F

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

Questions

What is the soil temperature in ZIP code 61019 today?
About 47°F on average in the top 4 inches (0–10 cm), low 47°F and high 48°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 10 km from the ZIP centre, not a reading from your yard.
Is it time for crabgrass preventer in 61019?
The spring window is closed. It opens again when the soil holds 50°F. Last spring the soil held 50°F from May 13 and 55°F from May 17.

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).