Mosinee, WI Weather & Growing Conditions
Overnight
57°F
Rain Showers
Rain showers and areas of fog. Cloudy. Low around 57, with temperatures rising to around 59 overnight. Southeast wind around 13 mph, with gusts as high as 18 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 57°F | Rain Showers | 13 mph SE | 81% |
| Wednesday | 60°F | Areas Of Fog then Rain Showers | 13 mph S | 85% |
| Wednesday Night | 44°F | Rain Showers | 8 to 12 mph SW | 82% |
| Thursday | 48°F | Rain Showers Likely then Mostly Cloudy | 8 to 16 mph NNW | 64% |
| Thursday Night | 32°F | Mostly Cloudy | 10 to 16 mph N | 3% |
| Friday | 44°F | Mostly Sunny | 6 to 10 mph N | 0% |
| Friday Night | 26°F | Mostly Clear | 1 to 5 mph N | 0% |
| Saturday | 47°F | Sunny | 1 to 7 mph WNW | 0% |
| Saturday Night | 30°F | Mostly Clear | 7 mph W | 6% |
| Sunday | 52°F | Sunny | 7 to 12 mph WNW | 7% |
| Sunday Night | 31°F | Mostly Clear | 3 to 8 mph W | 1% |
| Monday | 55°F | Mostly Sunny | 3 to 12 mph WSW | 0% |
| Monday Night | 36°F | Partly Cloudy | 6 to 9 mph W | 1% |
| Tuesday | 54°F | Sunny | 6 to 9 mph WNW | 4% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Mosinee, WI
Last spring frost
May 6
First fall frost
Oct 4
Growing season
150 days
Hardiness zone
5a
Explore more for Mosinee, WI: full frost dates · planting calendar · Wisconsin frost dates
Climate data from the nearest NOAA station, Wausau Dwtn Ap, Wi (11.4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.