Munising, MI Weather & Growing Conditions
Today
66°F
Partly Sunny
Partly sunny. High near 66, with temperatures falling to around 62 in the afternoon. Southeast wind 5 to 10 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 66°F | Partly Sunny | 5 to 10 mph SE | 9% |
| Tonight | 43°F | Slight Chance Rain Showers then Mostly Cloudy | 0 to 5 mph NE | 22% |
| Sunday | 65°F | Mostly Sunny | 5 to 15 mph N | 2% |
| Sunday Night | 37°F | Mostly Cloudy | 5 to 10 mph NE | 0% |
| Monday | 62°F | Partly Sunny | 5 mph NE | 0% |
| Monday Night | 34°F | Partly Cloudy | 0 to 5 mph NE | 0% |
| Tuesday | 66°F | Sunny | 0 to 5 mph E | 0% |
| Tuesday Night | 36°F | Mostly Clear | 0 to 5 mph E | 1% |
| Wednesday | 68°F | Sunny | 0 to 5 mph E | 2% |
| Wednesday Night | 39°F | Mostly Clear | 0 to 5 mph E | 1% |
| Thursday | 70°F | Mostly Sunny | 0 to 5 mph E | 2% |
| Thursday Night | 39°F | Partly Cloudy | 0 to 5 mph NE | 2% |
| Friday | 72°F | Mostly Sunny | 0 to 5 mph E | 2% |
| Friday Night | 40°F | Partly Cloudy | 0 to 5 mph SE | 1% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Munising, MI
Last spring frost
May 16
First fall frost
Oct 14
Growing season
148 days
Hardiness zone
4b
Explore more for Munising, MI: full frost dates · planting calendar · Michigan frost dates
Climate data from the nearest NOAA station, Munising, Mi (16.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.