Clintonville, WI Weather & Growing Conditions
Today
82°F
Partly Sunny then Slight Chance Showers And Thunderstorms
A slight chance of rain showers between noon and 1pm, then a slight chance of showers and thunderstorms between 1pm and 2pm, then a chance of showers and thunderstorms between 2pm and 4pm, then a slight chance of showers and thunderstorms. Partly sunny. High near 82, with temperatures falling to around 80 in the afternoon. Heat index values as high as 84. West southwest wind 7 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 82°F | Partly Sunny then Slight Chance Showers And Thunderstorms | 7 to 13 mph WSW | 28% |
| Tonight | 59°F | Chance Showers And Thunderstorms | 2 to 6 mph NW | 27% |
| Wednesday | 80°F | Mostly Sunny | 1 to 5 mph SE | 7% |
| Wednesday Night | 55°F | Partly Cloudy then Patchy Fog | 0 to 3 mph ESE | 3% |
| Thursday | 83°F | Patchy Fog then Sunny | 0 to 5 mph WSW | 0% |
| Thursday Night | 59°F | Mostly Clear | 5 mph SSW | 0% |
| Friday | 86°F | Sunny | 2 to 10 mph SW | 2% |
| Friday Night | 64°F | Slight Chance Rain Showers | 6 to 9 mph SW | 16% |
| Saturday | 86°F | Mostly Sunny | 5 to 10 mph SW | 13% |
| Saturday Night | 65°F | Chance Showers And Thunderstorms | 3 to 8 mph SW | 37% |
| Sunday | 86°F | Chance Showers And Thunderstorms | 3 to 9 mph W | 37% |
| Sunday Night | 62°F | Chance Showers And Thunderstorms | 2 to 8 mph NW | 37% |
| Monday | 83°F | Chance Showers And Thunderstorms | 2 to 6 mph SSE | 31% |
| Monday Night | 62°F | Chance Showers And Thunderstorms | 2 to 6 mph NNW | 36% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Clintonville, WI
Last spring frost
May 4
First fall frost
Oct 6
Growing season
154 days
Hardiness zone
5a
Explore more for Clintonville, WI: full frost dates · planting calendar · Wisconsin frost dates
Climate data from the nearest NOAA station, Clintonville, Wi (1.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.