Gwinn, MI Weather & Growing Conditions
Today
78°F
Mostly Cloudy then Chance Showers And Thunderstorms
A slight chance of rain showers between 1pm and 2pm, then a chance of showers and thunderstorms. Mostly cloudy. High near 78, with temperatures falling to around 73 in the afternoon. West wind 5 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 78°F | Mostly Cloudy then Chance Showers And Thunderstorms | 5 to 10 mph W | 37% |
| Tonight | 55°F | Slight Chance Rain Showers then Mostly Cloudy | 0 to 5 mph N | 20% |
| Wednesday | 76°F | Mostly Sunny | 0 to 5 mph NW | 2% |
| Wednesday Night | 52°F | Partly Cloudy | 0 to 5 mph S | 1% |
| Thursday | 82°F | Sunny | 5 to 10 mph SW | 2% |
| Thursday Night | 60°F | Mostly Clear | 5 to 10 mph S | 2% |
| Friday | 85°F | Sunny then Slight Chance Showers And Thunderstorms | 5 to 15 mph SW | 17% |
| Friday Night | 62°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 5 to 10 mph SW | 35% |
| Saturday | 82°F | Mostly Sunny then Chance Showers And Thunderstorms | 5 to 10 mph SW | 34% |
| Saturday Night | 59°F | Chance Showers And Thunderstorms | 5 to 10 mph S | 43% |
| Sunday | 80°F | Chance Showers And Thunderstorms | 5 to 10 mph W | 43% |
| Sunday Night | 56°F | Chance Showers And Thunderstorms | 5 to 10 mph NW | 38% |
| Monday | 77°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 5 to 10 mph NW | 23% |
| Monday Night | 56°F | Slight Chance Showers And Thunderstorms | 0 to 10 mph N | 23% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Gwinn, MI
Last spring frost
May 13
First fall frost
Oct 2
Growing season
141 days
Hardiness zone
5a
Explore more for Gwinn, MI: full frost dates · planting calendar · Michigan frost dates
Climate data from the nearest NOAA station, Ki Sawyer Wwtp, Mi (7.4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.