Belleville, WI Weather & Growing Conditions
Overnight
56°F
Cloudy
Cloudy, with a low around 56. South wind around 15 mph. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 56°F | Cloudy | 15 mph S | 11% |
| Wednesday | 58°F | Cloudy then Isolated Rain Showers | 15 mph SW | 13% |
| Wednesday Night | 45°F | Chance Rain Showers | 15 mph SW | 33% |
| Thursday | 53°F | Rain Showers Likely then Chance Light Rain | 10 to 15 mph W | 58% |
| Thursday Night | 38°F | Mostly Cloudy | 10 to 15 mph N | 11% |
| Friday | 47°F | Partly Sunny | 5 to 15 mph N | 3% |
| Friday Night | 30°F | Mostly Clear | 0 to 5 mph N | 0% |
| Saturday | 50°F | Sunny | 0 to 5 mph NW | 0% |
| Saturday Night | 33°F | Mostly Clear | 5 mph W | 1% |
| Sunday | 55°F | Sunny | 5 to 10 mph W | 6% |
| Sunday Night | 35°F | Mostly Clear | 5 mph W | 0% |
| Monday | 59°F | Sunny | 5 to 10 mph SW | 0% |
| Monday Night | 40°F | Mostly Clear | 5 to 10 mph W | 0% |
| Tuesday | 60°F | Sunny | 5 mph NW | 0% |
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 Nov 4, 2026.