Munising, MI Weather & Growing Conditions
Overnight
41°F
Partly Cloudy
Partly cloudy, with a low around 41. Southeast wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 41°F | Partly Cloudy | 5 mph SE | 1% |
| Saturday | 67°F | Partly Sunny | 5 to 10 mph SE | 11% |
| Saturday Night | 46°F | Slight Chance Rain Showers then Mostly Cloudy | 0 to 5 mph E | 18% |
| Sunday | 62°F | Partly Sunny | 10 to 15 mph NE | 7% |
| Sunday Night | 42°F | Mostly Cloudy | 5 to 15 mph NE | 0% |
| Monday | 61°F | Partly Sunny | 5 to 10 mph NE | 0% |
| Monday Night | 39°F | Partly Cloudy | 0 to 5 mph E | 0% |
| Tuesday | 64°F | Sunny | 0 to 5 mph E | 0% |
| Tuesday Night | 40°F | Mostly Clear | 5 mph E | 1% |
| Wednesday | 67°F | Sunny | 5 mph E | 2% |
| Wednesday Night | 42°F | Mostly Clear | 0 to 5 mph E | 0% |
| Thursday | 69°F | Sunny | 0 to 5 mph E | 1% |
| Thursday Night | 44°F | Mostly Clear | 0 to 5 mph E | 2% |
| Friday | 71°F | Mostly Sunny | 0 to 5 mph E | 2% |
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
5b
Explore more for Munising, MI: full frost dates · planting calendar · Michigan frost dates
Climate data from the nearest NOAA station, Munising, Mi (3.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.