Winn, MI Weather & Growing Conditions
Today
62°F
Rain Showers
Rain showers before 2pm, then a chance of showers and thunderstorms. Cloudy. High near 62, with temperatures falling to around 60 in the afternoon. East wind 5 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 62°F | Rain Showers | 5 to 9 mph E | 78% |
| Tonight | 54°F | Patchy Fog | 5 to 9 mph E | 61% |
| Sunday | 70°F | Chance Rain Showers then Partly Sunny | 8 to 13 mph NE | 31% |
| Sunday Night | 47°F | Partly Cloudy | 10 mph NE | 0% |
| Monday | 61°F | Mostly Cloudy | 10 to 14 mph ENE | 1% |
| Monday Night | 43°F | Mostly Cloudy | 8 to 14 mph NE | 1% |
| Tuesday | 62°F | Partly Sunny | 8 to 16 mph ENE | 3% |
| Tuesday Night | 45°F | Partly Cloudy then Slight Chance Rain Showers | 12 to 15 mph ENE | 15% |
| Wednesday | 63°F | Chance Rain Showers | 14 mph ENE | 38% |
| Wednesday Night | 46°F | Chance Rain Showers then Mostly Cloudy | 5 to 14 mph NE | 33% |
| Thursday | 66°F | Partly Sunny | 6 to 10 mph NE | 6% |
| Thursday Night | 47°F | Mostly Cloudy | 3 to 9 mph NE | 6% |
| Friday | 70°F | Mostly Sunny | 3 to 9 mph NE | 5% |
| Friday Night | 46°F | Partly Cloudy | 2 to 8 mph NE | 5% |
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 Sep 19, 2026.