Mountain, WI Weather & Growing Conditions
Tonight
50°F
Rain Showers Likely
Rain showers likely. Cloudy, with a low around 50. East wind around 3 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 |
|---|---|---|---|---|
| Tonight | 50°F | Rain Showers Likely | 3 mph E | 60% |
| Saturday | 61°F | Rain Showers Likely | 3 to 7 mph E | 68% |
| Saturday Night | 47°F | Chance Rain Showers then Mostly Cloudy | 5 mph NNE | 48% |
| Sunday | 67°F | Partly Sunny | 6 to 9 mph NNE | 2% |
| Sunday Night | 43°F | Mostly Cloudy | 8 mph NE | 0% |
| Monday | 60°F | Partly Sunny | 8 mph NE | 0% |
| Monday Night | 40°F | Partly Cloudy | 5 mph NE | 1% |
| Tuesday | 62°F | Mostly Sunny | 5 to 8 mph NE | 2% |
| Tuesday Night | 41°F | Partly Cloudy | 5 mph NE | 4% |
| Wednesday | 64°F | Mostly Sunny | 2 to 6 mph ENE | 4% |
| Wednesday Night | 43°F | Patchy Fog | 0 to 3 mph NE | 3% |
| Thursday | 69°F | Mostly Sunny | 3 mph ENE | 5% |
| Thursday Night | 45°F | Partly Cloudy | 2 mph NNW | 5% |
| Friday | 71°F | Mostly Sunny | 3 mph N | 4% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Mountain, WI
Last spring frost
May 22
First fall frost
Sep 28
Growing season
129 days
Hardiness zone
4b
Explore more for Mountain, WI: full frost dates · planting calendar · Wisconsin frost dates
Climate data from the nearest NOAA station, Lakewood 3 Ne, Wi (8.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.