Gwinn, MI Weather & Growing Conditions
Tonight
56°F
Rain Showers
Rain showers and patchy fog. Cloudy, with a low around 56. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 56°F | Rain Showers | 5 to 10 mph S | 89% |
| Wednesday | 61°F | Rain Showers | 5 to 10 mph SE | 97% |
| Wednesday Night | 46°F | Rain Showers Likely | 5 to 10 mph S | 72% |
| Thursday | 50°F | Rain Showers | 5 to 15 mph NW | 100% |
| Thursday Night | 32°F | Rain Showers | 15 to 20 mph N | 95% |
| Friday | 40°F | Slight Chance Rain Showers | 10 to 15 mph N | 23% |
| Friday Night | 27°F | Mostly Cloudy | 0 to 10 mph NW | 12% |
| Saturday | 45°F | Mostly Sunny | 0 to 5 mph W | 2% |
| Saturday Night | 30°F | Partly Cloudy | 5 mph W | 6% |
| Sunday | 50°F | Partly Sunny then Slight Chance Rain Showers | 5 to 10 mph NW | 15% |
| Sunday Night | 32°F | Slight Chance Rain Showers then Partly Cloudy | 5 to 10 mph W | 15% |
| Monday | 52°F | Partly Sunny | 5 to 10 mph SW | 4% |
| Monday Night | 36°F | Partly Cloudy | 5 to 10 mph W | 4% |
| Tuesday | 50°F | Mostly Sunny | 10 mph NW | 4% |
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 Nov 4, 2026.