Munising, MI Weather & Growing Conditions
This Afternoon
62°F
Partly Sunny
Partly sunny, with a high near 62. South wind around 10 mph, with gusts as high as 20 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 62°F | Partly Sunny | 10 mph S | 11% |
| Tonight | 47°F | Cloudy then Chance Rain Showers | 5 mph S | 47% |
| Thursday | 51°F | Rain Showers | 5 to 15 mph NW | 82% |
| Thursday Night | 28°F | Rain Showers Likely | 15 mph N | 61% |
| Friday | 41°F | Chance Snow Showers then Chance Rain And Snow Showers | 10 to 15 mph N | 32% |
| Friday Night | 24°F | Slight Chance Rain Showers then Mostly Cloudy | 0 to 10 mph N | 21% |
| Saturday | 48°F | Mostly Sunny | 0 to 5 mph NW | 0% |
| Saturday Night | 25°F | Partly Cloudy | 0 to 5 mph SW | 1% |
| Sunday | 53°F | Slight Chance Rain Showers | 5 to 10 mph W | 15% |
| Sunday Night | 28°F | Partly Cloudy | 0 to 5 mph W | 9% |
| Monday | 54°F | Partly Sunny | 0 to 10 mph SW | 2% |
| Monday Night | 33°F | Mostly Cloudy | 5 mph W | 0% |
| Tuesday | 53°F | Mostly Sunny | 5 to 10 mph NW | 5% |
| Tuesday Night | 27°F | Slight Chance Rain Showers | 0 to 5 mph NW | 15% |
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 Nov 4, 2026.