Tecumseh, MI Weather & Growing Conditions
Tonight
61°F
Mostly Cloudy then Slight Chance Light Rain
A slight chance of rain after 5am. Mostly cloudy, with a low around 61. South southeast wind around 12 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 61°F | Mostly Cloudy then Slight Chance Light Rain | 12 mph SSE | 19% |
| Wednesday | 70°F | Light Rain | 13 to 17 mph S | 98% |
| Wednesday Night | 49°F | Light Rain then Mostly Cloudy | 8 to 13 mph SW | 78% |
| Thursday | 62°F | Partly Sunny then Slight Chance Light Rain | 9 to 16 mph SW | 16% |
| Thursday Night | 44°F | Slight Chance Light Rain | 3 to 9 mph W | 22% |
| Friday | 56°F | Chance Light Rain | 3 to 9 mph NW | 44% |
| Friday Night | 35°F | Chance Light Rain | 9 mph NNW | 42% |
| Saturday | 53°F | Slight Chance Light Rain then Partly Sunny | 9 mph NW | 17% |
| Saturday Night | 31°F | Partly Cloudy | 5 mph W | 7% |
| Sunday | 56°F | Mostly Sunny then Slight Chance Light Rain | 3 to 12 mph W | 16% |
| Sunday Night | 32°F | Slight Chance Light Rain then Partly Cloudy | 6 to 9 mph WNW | 16% |
| Monday | 59°F | Mostly Sunny | 6 to 12 mph W | 14% |
| Monday Night | 36°F | Partly Cloudy | 9 mph WSW | 11% |
| Tuesday | 62°F | Mostly Sunny | 8 to 14 mph W | 4% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Tecumseh, MI
Last spring frost
May 3
First fall frost
Oct 13
Growing season
160 days
Hardiness zone
6a
Explore more for Tecumseh, MI: full frost dates · planting calendar · Michigan frost dates
Climate data from the nearest NOAA station, Tecumseh, Mi (0.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.