Winn, MI Weather & Growing Conditions
Overnight
61°F
Partly Cloudy
Partly cloudy, with a low around 61. South southeast wind around 12 mph, with gusts as high as 23 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 61°F | Partly Cloudy | 12 mph SSE | 10% |
| Wednesday | 70°F | Rain Showers | 15 mph S | 88% |
| Wednesday Night | 48°F | Rain Showers | 13 mph SW | 81% |
| Thursday | 55°F | Rain Showers Likely | 14 mph SW | 67% |
| Thursday Night | 38°F | Rain Showers Likely | 7 to 10 mph W | 67% |
| Friday | 48°F | Rain Showers Likely | 12 mph NNW | 63% |
| Friday Night | 31°F | Rain Showers Likely | 6 to 10 mph NNW | 63% |
| Saturday | 51°F | Mostly Sunny | 5 to 9 mph NW | 5% |
| Saturday Night | 29°F | Partly Cloudy | 6 mph W | 3% |
| Sunday | 55°F | Mostly Sunny | 6 to 13 mph W | 9% |
| Sunday Night | 32°F | Mostly Clear | 3 to 9 mph W | 9% |
| Monday | 59°F | Mostly Sunny | 5 to 12 mph WSW | 1% |
| Monday Night | 37°F | Partly Cloudy | 10 mph WSW | 5% |
| Tuesday | 60°F | Mostly Sunny | 7 to 12 mph W | 9% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Winn, MI
Last spring frost
Apr 30
First fall frost
Oct 20
Growing season
171 days
Hardiness zone
5b
Explore more for Winn, MI: full frost dates · planting calendar · Michigan frost dates
Climate data from the nearest NOAA station, Central Michigan Univ, Mi (8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.