Munising, MI Weather & Growing Conditions
Today
83°F
Partly Sunny then Showers And Thunderstorms Likely
Showers and thunderstorms likely after 2pm. Partly sunny. High near 83, with temperatures falling to around 72 in the afternoon. West wind 5 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 83°F | Partly Sunny then Showers And Thunderstorms Likely | 5 to 10 mph W | 64% |
| Tonight | 55°F | Chance Showers And Thunderstorms | 0 to 5 mph N | 40% |
| Wednesday | 77°F | Mostly Sunny | 0 to 5 mph NW | 9% |
| Wednesday Night | 53°F | Partly Cloudy | 0 to 5 mph E | 1% |
| Thursday | 84°F | Sunny | 0 to 5 mph S | 3% |
| Thursday Night | 60°F | Mostly Clear | 5 mph S | 3% |
| Friday | 87°F | Sunny | 5 to 10 mph SW | 14% |
| Friday Night | 62°F | Chance Rain Showers | 5 to 10 mph S | 38% |
| Saturday | 82°F | Slight Chance Showers And Thunderstorms | 5 mph SW | 31% |
| Saturday Night | 59°F | Chance Showers And Thunderstorms | 0 to 5 mph SW | 43% |
| Sunday | 81°F | Chance Showers And Thunderstorms | 0 to 5 mph W | 37% |
| Sunday Night | 56°F | Chance Showers And Thunderstorms | 0 to 5 mph W | 36% |
| Monday | 78°F | Partly Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph NW | 16% |
| Monday Night | 55°F | Slight Chance Showers And Thunderstorms | 0 to 5 mph NW | 21% |
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 Aug 4, 2026.