ZIP 49026 · Allegan, MI · Nov 11, 2026

Soil temperature for ZIP code 49026

50°Faverage today, 0–4 in deep (modelled)
low 47°F · high 52°F

Modelled by NOAA GFS, not measured · run Nov 11, 12:00 UTC (7 am Eastern) · grid cell 14 km from the ZIP centre point

On a week ago
14° cooler
64°F on Nov 4
5-day mean
49°F
what the verdicts use
Held 55°F last spring
May 18
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 1664°50°40°
View as table
DayAverageLowHigh
Nov 464.1°F61.0°F66.1°Fanalysis
Nov 554.9°F53.7°F57.2°Fanalysis
Nov 648.8°F47.8°F50.5°Fanalysis
Nov 747.9°F46.3°F49.6°Fanalysis
Nov 848.4°F44.7°F52.6°Fanalysis
Nov 949.8°F45.8°F51.5°Fanalysis
Nov 1051.5°F48.5°F54.4°Fanalysis
Today49.8°F47.0°F52.1°Fanalysis
Nov 1244.8°F42.6°F46.7°Fforecast
Nov 1340.2°F37.3°F42.0°Fforecast
Nov 1439.5°F38.1°F41.7°Fforecast
Nov 1539.0°F36.4°F42.1°Fforecast
Nov 1640.0°F36.6°F43.2°Fforecast
Nov 1740.2°F36.1°F44.0°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 lettuceMar 22
50°FPre-emergent window opensMay 16
55°FCrabgrass can germinateMay 18
60°FTomatoesMay 28
65°FWarm-season grass seednot reached

Kalamazoo, MI, 32 km away: the full city page, with the 2026 season chart, growing degree days and nearby cities →

Nearby ZIP codes

Today's modelled average.

49056 50°F · 49055 50°F · 49027 50°F · 49013 50°F · 49450 50°F · 49063 50°F · 49079 50°F · 49064 50°F

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

Questions

What is the soil temperature in ZIP code 49026 today?
About 50°F on average in the top 4 inches (0–10 cm), low 47°F and high 52°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 km from the ZIP centre, not a reading from your yard.
Is it time for crabgrass preventer in 49026?
The spring window is closed. It opens again when the soil holds 50°F. Last spring the soil held 50°F from May 16 and 55°F from May 18.

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).