Belleville Weather Today — Illinois, United States
Current temperature, rain chance, humidity, wind and air quality in Belleville, plus an hourly and 3-day forecast. Updated through the day.
10:28
Fri, 18 Sep 2026
📍 Illinois, United States
Belleville??
28
°C
Sunny
Feels 30°C · 83°F
💧 61% Humidity
💨 ↙ 5.4 km/h SW
👁 10 km Visibility
🌧 0 mm Precip
☁ 0% Cloud
☀️ UV Moderate
🌿 AQI Fair
☀️ UV Index
3.1
Moderate
🔵 Pressure
1021
hPa · 30.14 in
💨 Wind
5.4
km/h · Gust 6.9 km/h
↙ SW
💧 Humidity
61%
Dew point 20.1°C
👁 Visibility
10
km · 6 miles
🌡 Heat Index
30.4°
Wind chill 28.3°C
🌿 Air Quality
Fair
US EPA Index: 2
🌅
Sunrise
06:44 AM
🌇
Sunset
07:03 PM
📅 3-Day Forecast
Friday
18 Sep 2026
Sunny
36°
/
23°
💧62%
🌧1.83mm
💨12
☀️UV 7.2
Saturday
19 Sep 2026
Overcast
34°
/
23°
💧58%
🌧4.32mm
💨16
☀️UV 7.1
Sunday
20 Sep 2026
Overcast
35°
/
24°
💧43%
🌧0.02mm
💨19
☀️UV 5.7
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