Tecumseh, MI Weather & Growing Conditions
This Afternoon
68°F
Chance Showers And Thunderstorms
A chance of rain showers before 5pm, then a chance of showers and thunderstorms. Cloudy. High near 68, with temperatures falling to around 65 in the afternoon. East southeast wind around 8 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 |
|---|---|---|---|---|
| This Afternoon | 68°F | Chance Showers And Thunderstorms | 8 mph ESE | 28% |
| Tonight | 60°F | Slight Chance Showers And Thunderstorms then Patchy Fog | 2 to 7 mph E | 97% |
| Sunday | 68°F | Patchy Fog | 5 to 10 mph NNE | 73% |
| Sunday Night | 50°F | Chance Rain Showers then Mostly Cloudy | 10 mph NE | 25% |
| Monday | 63°F | Partly Sunny | 10 to 14 mph ENE | 10% |
| Monday Night | 48°F | Mostly Cloudy | 12 mph NE | 8% |
| Tuesday | 61°F | Mostly Cloudy then Slight Chance Rain Showers | 12 to 15 mph NE | 21% |
| Tuesday Night | 50°F | Chance Rain Showers | 15 mph ENE | 42% |
| Wednesday | 61°F | Rain Showers Likely | 15 mph ENE | 57% |
| Wednesday Night | 50°F | Rain Showers Likely | 8 to 14 mph ENE | 57% |
| Thursday | 64°F | Slight Chance Rain Showers then Mostly Cloudy | 10 mph ENE | 20% |
| Thursday Night | 49°F | Mostly Cloudy | 5 to 8 mph NE | 9% |
| Friday | 68°F | Partly Sunny | 5 to 8 mph NE | 9% |
| Friday Night | 48°F | Partly Cloudy | 2 to 6 mph NNE | 5% |
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 Sep 19, 2026.