Milwaukee, Wisconsin · Nov 11, 2026

Soil temperature today in Milwaukee

50°Faverage today, 0–4 in deep
low 49°F · high 51°F

Modelled by NOAA GFS · run Nov 11, 12:00 UTC (7 am Eastern) · grid cell 8.7 km from Milwaukee

On a week ago
11° cooler
62°F on Nov 4
Next 7 days
39–46°F
range of the daily averages forecast
Crabgrass pre-emergent
Season over
next window: when the soil holds 50°F
Held 55°F last spring
May 26
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. Dots and line: daily average (dashed = forecast); bars: the day's low to high; green band: the 50–55°F pre-emergent window.

30°40°50°60°70°50–55°F windowNov 456789101112131415161762°42°
30°40°50°60°70°50–55°F windowNov 4Nov 6Nov 8Nov 10Nov 12Nov 14Nov 1662°42°
  • Daily average
  • Low to high
  • 50–55°F window
View as table
DayAverageLowHigh
Nov 461.5°F58.9°F62.7°Fanalysis
Nov 553.9°F52.6°F55.7°Fanalysis
Nov 647.5°F45.6°F49.6°Fanalysis
Nov 744.6°F40.9°F47.8°Fanalysis
Nov 847.6°F43.4°F52.6°Fanalysis
Nov 949.2°F45.2°F52.5°Fanalysis
Nov 1052.0°F48.1°F55.3°Fanalysis
Today50.3°F49.0°F51.3°Fforecast
Nov 1245.7°F44.2°F48.3°Fforecast
Nov 1340.5°F38.1°F41.9°Fforecast
Nov 1439.1°F35.9°F42.4°Fforecast
Nov 1540.8°F37.3°F43.3°Fforecast
Nov 1641.4°F37.5°F44.7°Fforecast
Nov 1741.7°F37.7°F45.3°Fforecast
Source: NOAA NCEP GFS 0.25°, 0–10 cm soil temperature, grid cell at 43.00°N 88.00°W. Run Nov 11, 12:00 UTC (7 am Eastern).

What the soil says for each job

Today's verdicts use the 5-day mean of the modelled 0–4 in layer.

JobSoil ruleToday
Crabgrass pre-emergentApply while the soil holds 50 to 55°F, before crabgrass germinates at about 55°FSeason over
The spring window is closed. It opens again when the soil holds 50°F. Last spring the soil held 50°F from May 12 and 55°F from May 26.
Seed or overseed cool-season grassFescue, bluegrass and ryegrass germinate best in soil of 50 to 65°FToo late in the season
Past the usual Aug 15 to Oct 15 seeding window (49°F soil today).
Seed warm-season grassBermuda, zoysia and centipede need soil of 65°F or moreToo cold
49°F: under 65°F.
Plant out tomatoesTomato roots want soil of 60°F or more (check your frost date as well)Too cold
49°F: under 60°F.
Sow peas, lettuce and spinachCool-weather crops germinate once soil reaches about 40°FWarm enough
49°F: at or over 40°F.

The 2026 season so far

°F, daily average of the 0–4 in layer since 1 January (dashed = forecast). Dots: the days the soil began to hold 50°F and 55°F.

0°10°20°30°40°50°60°70°80°90°JanFebMarAprMayJunJulAugSepOctNovDecHeld 50°F from May 1250° May 12Held 55°F from May 2655° May 26
0°10°20°30°40°50°60°70°80°90°JMMJSNHeld 50°F from May 1250° May 12Held 55°F from May 2655° May 26
  • Daily average
  • 50–55°F window
Source: NOAA NCEP GFS analyses, 4 a day. Dates use the 5-day mean, held for 10 days or more.

When the soil crossed each threshold

2026, from the 5-day mean held for 10 days or more.

SoilWhat it meansHeld from (spring 2026)Fell below (autumn 2026)
40°FPeas and lettuce can be sownMar 22not yet
50°FPre-emergent window opensMay 12not yet
55°FCrabgrass can germinateMay 26not yet
60°FWarm enough for tomatoesJun 5Oct 17
65°FWarm-season grass seednot reachedSep 20

Growing degree days in Milwaukee

Base 50°F, from 1 January to Nov 8, at the Milwaukee Mitchell Airport station (9.3 km).

GDD in 2026
3,090
to Nov 8
Same date in 2025
2,800
290 more this year
All of 2025
2,810
full-year total

A growing degree day is each degree that the day's average temperature runs above 50°F. Insects, weeds and crops develop by accumulated GDD, so the number says how far the season has run. Every city.

Soil temperature nearby

Each from a different model grid cell.

CityDistanceSoil todayvs a week agoGrass seed
Caledonia, WI26 km48°F−13°FToo late in the season
Waukesha, WI27 km47°F−12°FToo late in the season
West Bend, WI48 km47°F−12°FToo late in the season
Kenosha, WI51 km50°F−12°FToo late in the season
Watertown, WI69 km47°F−12°FToo late in the season
North Chicago, IL79 km53°F−10°FToo late in the season

This page also covers West Allis (8.5 km), Wauwatosa (8.3 km), Greenfield (12.2 km), Franklin (19.9 km), Oak Creek (17.4 km), Mequon (22.1 km), Cudahy (9.5 km): they share the same model grid cell area, within 25 km.

Questions

What is the soil temperature in Milwaukee today?
About 50°F on average in the top 4 inches (0–10 cm), with a low of 49°F and a high of 51°F, from NOAA's GFS model run of Nov 11, 12:00 UTC (7 am Eastern).
Is it time to put down crabgrass preventer in Milwaukee?
The spring window is closed. It opens again when the soil holds 50°F. Last spring the soil held 50°F from May 12 and 55°F from May 26.
When did the soil in Milwaukee reach 55°F this year?
The 5-day average held 55°F from May 26, 2026.
How accurate is a modelled soil temperature?
Against NOAA's 108 reference stations the model's daily average was off by 4.2°F on average, and within 5°F on 68% of days. A shaded, mulched or watered yard can differ more.

Data: Global Forecast System (GFS) 0.25°, soil temperature 0–10 cm (TSOIL) (NOAA National Centers for Environmental Prediction (NCEP)); Global Historical Climatology Network - Daily (GHCN-Daily), daily maximum and minimum temperature (NOAA National Centers for Environmental Information (NCEI)); GeoNames gazetteer (cities15000) (GeoNames).