Mosinee, WI Weather & Growing Conditions
Overnight
57°F
Rain Showers Likely
Rain showers likely and patchy fog. Cloudy. Low around 57, with temperatures rising to around 59 overnight. Southeast wind around 10 mph. Chance of precipitation is 60%. 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 Likely | 10 mph SE | 63% |
| 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.