Tecumseh, MI Weather & Growing Conditions
Tonight
54°F
Mostly Cloudy then Chance Light Rain
A chance of rain after 1am. Mostly cloudy. Low around 54, with temperatures rising to around 57 overnight. East northeast wind around 7 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 54°F | Mostly Cloudy then Chance Light Rain | 7 mph ENE | 25% |
| Saturday | 69°F | Rain Showers | 5 to 8 mph E | 89% |
| Saturday Night | 58°F | Showers And Thunderstorms then Slight Chance Showers And Thunderstorms | 3 to 8 mph ESE | 78% |
| Sunday | 68°F | Showers And Thunderstorms Likely | 5 to 12 mph N | 65% |
| Sunday Night | 50°F | Chance Rain Showers then Mostly Cloudy | 12 mph NE | 44% |
| Monday | 63°F | Chance Rain Showers | 10 to 14 mph NE | 25% |
| Monday Night | 48°F | Slight Chance Rain Showers | 13 mph NE | 15% |
| Tuesday | 62°F | Mostly Cloudy then Slight Chance Rain Showers | 15 mph NE | 17% |
| Tuesday Night | 50°F | Chance Rain Showers | 10 to 14 mph NE | 41% |
| Wednesday | 62°F | Chance Rain Showers | 13 mph NE | 44% |
| Wednesday Night | 50°F | Chance Rain Showers | 6 to 12 mph NE | 40% |
| Thursday | 65°F | Mostly Cloudy | 7 to 10 mph NNE | 10% |
| Thursday Night | 50°F | Mostly Cloudy | 5 to 8 mph NNE | 9% |
| Friday | 68°F | Mostly Sunny | 5 to 8 mph NNE | 6% |
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 Sep 19, 2026.