Belleville, WI Weather & Growing Conditions
This Afternoon
68°F
Showers And Thunderstorms
Showers and thunderstorms before 4pm, then a chance of showers and thunderstorms. Cloudy, with a high near 68. Southeast wind around 5 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 68°F | Showers And Thunderstorms | 5 mph SE | 82% |
| Tonight | 60°F | Chance Showers And Thunderstorms then Showers And Thunderstorms | 5 to 10 mph NE | 77% |
| Sunday | 64°F | Chance Rain Showers then Cloudy | 10 to 15 mph NE | 36% |
| Sunday Night | 53°F | Mostly Cloudy then Chance Rain Showers | 10 to 15 mph NE | 27% |
| Monday | 63°F | Chance Rain Showers | 10 to 15 mph NE | 41% |
| Monday Night | 50°F | Chance Rain Showers | 10 to 15 mph NE | 41% |
| Tuesday | 61°F | Chance Rain Showers | 10 to 15 mph NE | 40% |
| Tuesday Night | 47°F | Partly Cloudy | 5 to 10 mph NE | 6% |
| Wednesday | 65°F | Mostly Sunny | 5 to 10 mph NE | 2% |
| Wednesday Night | 49°F | Partly Cloudy | 5 to 10 mph NE | 1% |
| Thursday | 67°F | Mostly Sunny | 5 mph NE | 4% |
| Thursday Night | 50°F | Partly Cloudy | 0 to 5 mph NE | 3% |
| Friday | 70°F | Mostly Sunny | 5 mph NE | 4% |
| Friday Night | 51°F | Partly Cloudy | 0 to 5 mph E | 3% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Belleville, WI
Last spring frost
Apr 28
First fall frost
Oct 15
Growing season
169 days
Hardiness zone
5a
Explore more for Belleville, WI: full frost dates · planting calendar · Wisconsin frost dates
Climate data from the nearest NOAA station, Charmany Farm, Wi (14.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.