Harman US

Tecumseh, MI Weather & Growing Conditions

This Afternoon
68°F
Chance Light Rain
A chance of rain. Mostly cloudy. High near 68, with temperatures falling to around 64 in the afternoon. South wind around 16 mph, with gusts as high as 32 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible.

7-day forecast

WhenTempForecastWindPrecip
This Afternoon 68°F Chance Light Rain 16 mph S 53%
Tonight 47°F Light Rain Likely then Mostly Cloudy 9 to 13 mph SW 70%
Thursday 59°F Chance Light Rain 10 to 16 mph SW 26%
Thursday Night 39°F Chance Light Rain 9 mph W 43%
Friday 51°F Slight Chance Light Rain 9 to 13 mph NW 24%
Friday Night 32°F Slight Chance Light Rain then Mostly Cloudy 12 mph NW 24%
Saturday 51°F Partly Sunny 8 to 12 mph NW 4%
Saturday Night 28°F Partly Cloudy 6 mph WNW 0%
Sunday 57°F Sunny 5 to 13 mph W 4%
Sunday Night 32°F Mostly Clear 6 to 10 mph WNW 4%
Monday 59°F Sunny 5 to 10 mph W 1%
Monday Night 37°F Mostly Clear 10 mph WSW 0%
Tuesday 61°F Sunny 10 mph W 0%
Tuesday Night 34°F Partly Cloudy 3 to 7 mph WNW 1%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Tecumseh, MI

Last spring frost
May 5
First fall frost
Oct 10
Growing season
157 days
Hardiness zone
6a

Explore more for Tecumseh, MI: full frost dates · planting calendar · Michigan frost dates

Climate data from the nearest NOAA station, Tipton 2Wnw, Mi (2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.