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Soil Temperature in Michigan

The current average 2-inch soil temperature across Michigan is 69°F. Readings range from 62°F to 75°F, from 2 USDA and NOAA monitoring stations. Soil across Michigan is running 3°F above the seasonal normal of 66°F for mid-August, based on 2 of 2 stations with historical records. Michigan spans USDA hardiness zones 5a to 6b, cool-season grass country. Last updated August 16, 2026.

Current Planting Conditions

Summer conditions across Michigan with soil averaging 69°F at 2 inches. Warm-season grasses are in peak growth; keep cool-season lawns mowed high and watered deep. The next application windows arrive in fall, starting with pre-emergent as soil falls back through 70°F.

Best Time to Plant Grass Seed in Michigan

Cool-season · fall window

For cool-season lawns (fescue, bluegrass, ryegrass), fall is the best time to plant grass seed in Michigan, with spring the second choice: fall seedlings face less weed competition and mature before summer heat.

Cool-season · spring window
May 11
May 5 (warmest parts) to May 11 (coolest)

Spring is the second choice: the window opens when soil first holds 50°F.

Fall seeding also needs a stop date: new seedlings want about six weeks of growth before frost arrives. Your city page estimates the last safe seeding date from its nearest station: see when to plant in Detroit, when to plant in Grand Rapids or when to plant in Lansing. Readings current through August 16, 2026: Michigan averages 69°F at 2 inches right now; the Current Planting Conditions section above reads that number against the season.

Typical dates are computed from historical 2-inch soil temperature averages at 2 monitoring stations in Michigan; your own window depends on your nearest station's readings.

Average Soil Temperature by Month in Michigan

Historical 2-inch soil temperature normals for Michigan: the median across 2 in-state stations with multi-year records. Any given year runs ahead of or behind these values; the live average at the top of this page shows where this year stands.

MonthAverage 2-inch soil temperature
January35°F
February34°F
March34°F
April43°F
May56°F
June68°F
July70°F
August69°F
September63°F
October52°F
November40°F
December36°F

Grass Seed Germination in Michigan

Grass seed germination

Grass seed germination temperatures across Michigan. Soil warmth varies by location, so check a city page for the live reading and what germinates there now.

Grass speciesSeeding soil temp (2 in)Days
Kentucky bluegrass50–65°F14-30
Tall fescue50–65°F7-12
Perennial ryegrass50–65°F5-10
Fine fescue50–65°F7-14
Bermudagrass75–90°F10-30

See all species and the full germination guide →

Monitoring Stations in Michigan (2)

For root-zone timing (fertilizer, aeration, weed control), see the 4-inch soil temperature for Michigan. For accumulated-heat timing, see growing degree days for Michigan. For how wet the ground is versus normal, see soil moisture for Michigan. See the Michigan soil temperature map for the full station view.

Map of current soil temperatures across Michigan at 4-inch depth, interpolated from USDA SCAN and NOAA USCRN stations

Interpolated from the latest 4-inch readings and refreshed daily.

Station2" TempLast Reading
Chatham 1 SE62°F2026-08-16
Gaylord 9 SSW75°F2026-08-16

Cities in Michigan (82)

Cities in Michigan with current soil temperature readings
CityZIPCurrent Temp
Ada4930175°F*
Alma4880176°F*
Ann Arbor4810375°F*
Auburn Hills4832175°F*
Battle Creek4901473°F*
Bay City4870679°F*
Belleville4811175°F*
Benton Harbor4902276°F*
Berrien Springs4910373°F*
Birmingham4800979°F*
Bloomfield Hills4830178°F*
Brighton4811474°F*
Burton4850977°F*
Canton4818776°F*
Clarkston4834674°F*
Clinton Township4803583°F*
Dearborn4812080°F*
Dearborn Heights4812580°F*
Detroit4820180°F*
East Lansing4882374°F*
Eckerman4972867°F*
Farmington4833177°F*
Flint4850179°F*
Frankenmuth4873476°F*
Fremont4941274°F*
Garden City4813579°F*
Gaylord4973475°F
Grand Blanc4843975°F*
Grand Rapids4950175°F*
Grandville4941876°F*
Grayling4973875°F
Grosse Pointe4823083°F*
Highland4835674°F*
Holland4942277°F*
Howell4884375°F*
Jackson4920172°F*
Jenison4942877°F*
Kalamazoo4900173°F*
Kincheloe4978466°F*
Lake Orion4835974°F*
Lansing4890174°F*
Livonia4815079°F*
Macomb4804282°F*
Marshall4906873°F*
Midland4864075°F*
Milford4838074°F*
Monroe4816177°F*
Mount Clemens4804382°F*
Mount Pleasant4880476°F*
Muskegon4944079°F*
New Baltimore4804782°F*
New Haven4804875°F*
Niles4912073°F*
Northville4816776°F*
Novi4837475°F*
Okemos4880574°F*
Oxford4837074°F*
Pontiac4834075°F*
Port Huron4806073°F*
Portage4900271°F*
Redford4823980°F*
Rochester4830677°F*
Rockford4934175°F*
Royal Oak4806779°F*
Saginaw4860176°F*
Saint Clair Shores4808083°F*
Southfield4803379°F*
Sterling Heights4831081°F*
Tawas City4876375°F
Traverse City4968475°F
Troy4800775°F*
Utica4831581°F*
Vassar4876875°F*
Walled Lake4839075°F*
Warren4808882°F*
Washington4809476°F*
Waterford4832775°F*
West Bloomfield4832277°F*
Westland4818579°F*
White Lake4838374°F*
Wyoming4950976°F*
Ypsilanti4819776°F*

Modeled estimate where no monitoring station is within 75 miles; all other readings are measured at USDA and NOAA stations.

Lawn Care Timing Guides for Michigan

Soil Temperature FAQ for Michigan

What is the current soil temperature in Michigan?

The current average 2-inch soil temperature across Michigan is 69°F. Readings range from 62°F to 75°F depending on location and elevation, from 2 USDA and NOAA monitoring stations. Soil across Michigan is running 3°F above the seasonal normal of 66°F for mid-August, based on 2 of 2 stations with historical records.

When should I apply pre-emergent in Michigan?

Apply pre-emergent herbicide when soil at 2 inches reaches 55°F for several consecutive days. Timing varies across Michigan, so check your city's page for station-specific readings and the pre-emergent timing recommendation.

When can I plant grass seed in Michigan?

Michigan spans USDA hardiness zones 5a to 6b, cool-season grass country. Cool-season grasses (fescue, bluegrass) can be seeded when soil holds between 50 and 65°F. Warm-season grasses (bermuda, zoysia) need soil above 65°F. Timing varies by location, so check your city's planting window for the dates specific to your area.