Belleville, WI Weather Forecast
Local 7-day forecast
Chance Rain Showers
Track current conditions, temperature changes, wind, and the full daily outlook for Belleville, WI in one place.
A chance of rain showers. Mostly sunny, with a high near 48. Northwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible.
Local Weather Overview
This forecast page for Belleville, WI is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Apr 16, 2026 1:16 PM CDT.
The active forecast window currently covers Apr 18 to Apr 22, 2026 for Belleville, WI.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 18 to Apr 22, 2026
- Latest sync
- Apr 16, 2026 1:16 PM CDT
- Forecast office
- MKX
- Source
- NOAA / NWS
Daily Outlook
This Week in Belleville
Tuesday looks like the warmest upcoming period in Belleville at 70 degrees F.
Sunday Night is the coolest period ahead with temperatures near 30 degrees F.
The strongest winds are forecast for Saturday at about 15 to 20 mph NW.
Precipitation is mentioned in 3 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 16, 2026 1:16 PM CDT
- Coverage
- 5 days
- Time zone
- America/Chicago
- Forecast office
- MKX
- Radar station
- KMKX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A slight chance of rain showers before 7pm. Mostly clear, with a low around 31. West wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.
Sunny, with a high near 50. Northwest wind 10 to 15 mph.
Mostly clear, with a low around 30. West wind 5 to 10 mph.
Sunny, with a high near 60.
Partly cloudy, with a low around 46.
Mostly sunny, with a high near 70.
Mostly clear, with a low around 48.
Sunny, with a high near 68.
A chance of rain showers after 7pm. Mostly clear, with a low around 45. Chance of precipitation is 30%.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
Apr 18
|
Chance Rain Showers
|
48°F |
15 to 20 mph
NW
|
|
Saturday Night
Apr 18
|
Slight Chance Rain Showers then Mostly Clear
|
31°F |
10 to 15 mph
W
|
|
Sunday
Apr 19
|
Sunny
|
50°F |
10 to 15 mph
NW
|
|
Sunday Night
Apr 19
|
Mostly Clear
|
30°F |
5 to 10 mph
W
|
|
Monday
Apr 20
|
Sunny
|
60°F |
5 to 10 mph
SE
|
|
Monday Night
Apr 20
|
Partly Cloudy
|
46°F |
10 to 15 mph
S
|
|
Tuesday
Apr 21
|
Mostly Sunny
|
70°F |
10 to 15 mph
SW
|
|
Tuesday Night
Apr 21
|
Mostly Clear
|
48°F |
5 to 10 mph
SW
|
|
Wednesday
Apr 22
|
Sunny
|
68°F |
5 to 10 mph
SW
|
|
Wednesday Night
Apr 22
|
Chance Rain Showers
|
45°F |
10 mph
SE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Belleville.