Munising, MI Weather & Growing Conditions
Tonight
43°F
Mostly Cloudy then Patchy Fog
Patchy fog between midnight and 3am. Mostly cloudy, with a low around 43. Northeast wind 0 to 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 43°F | Mostly Cloudy then Patchy Fog | 0 to 5 mph NE | 11% |
| Sunday | 62°F | Mostly Sunny | 5 to 15 mph N | 4% |
| Sunday Night | 37°F | Mostly Cloudy | 5 to 10 mph NE | 0% |
| Monday | 61°F | Mostly Cloudy | 5 mph E | 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 | 38°F | Mostly Clear | 0 to 5 mph E | 1% |
| Wednesday | 69°F | Sunny | 5 mph E | 3% |
| Wednesday Night | 40°F | Mostly Clear | 0 to 5 mph SE | 2% |
| Thursday | 70°F | Mostly Sunny | 0 to 5 mph SE | 1% |
| Thursday Night | 42°F | Partly Cloudy | 0 to 5 mph SE | 2% |
| Friday | 73°F | Mostly Sunny | 0 to 5 mph E | 2% |
| Friday Night | 43°F | Partly Cloudy | 0 mph | 1% |
| Saturday | 74°F | Mostly Sunny | 0 to 5 mph S | 2% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Munising, MI
Last spring frost
May 23
First fall frost
Oct 10
Growing season
138 days
Hardiness zone
5a
Explore more for Munising, MI: full frost dates · planting calendar · Michigan frost dates
Climate data from the nearest NOAA station, Munsing Lakeshore, Mi (14 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.