Munising, MI Weather & Growing Conditions
Today
81°F
Mostly Cloudy then Showers And Thunderstorms Likely
Showers and thunderstorms likely after 2pm. Mostly cloudy. High near 81, 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 70%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 81°F | Mostly Cloudy then Showers And Thunderstorms Likely | 5 to 10 mph W | 65% |
| Tonight | 54°F | Chance Showers And Thunderstorms | 0 to 5 mph NE | 50% |
| Wednesday | 78°F | Partly Sunny | 0 to 5 mph N | 10% |
| Wednesday Night | 52°F | Partly Cloudy | 0 to 5 mph E | 3% |
| Thursday | 82°F | Sunny | 0 to 10 mph S | 2% |
| Thursday Night | 58°F | Mostly Clear | 5 to 10 mph S | 2% |
| Friday | 85°F | Sunny | 5 to 10 mph SW | 12% |
| Friday Night | 61°F | Chance Showers And Thunderstorms | 5 to 10 mph SW | 36% |
| Saturday | 82°F | Chance Showers And Thunderstorms | 0 to 5 mph SW | 39% |
| Saturday Night | 58°F | Chance Showers And Thunderstorms | 0 to 5 mph S | 41% |
| Sunday | 81°F | Chance Showers And Thunderstorms | 0 to 5 mph W | 41% |
| Sunday Night | 55°F | Chance Showers And Thunderstorms | 0 to 5 mph NW | 39% |
| Monday | 79°F | Partly Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph NW | 21% |
| Monday Night | 54°F | Slight Chance Showers And Thunderstorms | 0 to 5 mph N | 26% |
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 Aug 4, 2026.