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Belleville, IL Weather - 14-Day Forecast

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Belleville IL Weather - Clear - 46°F
Clear
46°F
Updated 3:39 am
Feels Like 43°F
Humidity 70%
Wind S 3 mph
Barometer  30.16 in
Dew Point 37°F
Belleville IL Weather - Clear - 8°C
Clear
8°C
Updated 3:39 am
Feels Like 6°C
Humidity 70%
Wind S 5 km/h
Barometer  102.1 kPa
Dew Point 3°C
Belleville, IL Weather and Current Conditionsbelleville il weather forecast

Belleville, IL Weather Forecast

Belleville Illinois WeatherBelleville, Illinois Weather Weather Forecast
14 day API Belleville, IL weather forecast. Note. Our 7-day weather forecast for Belleville, Illinois is our most reliable and accurate forecast. This model should only be used as a likely scenario. Forecasting more than 7 days is difficult.
Belleville, IL Weather Forecast Dated: 339 AM Wed Mar 26 2025 (Belleville Time)
Wed, 26th
Belleville IL Weather  - Wednesday, Mar 26, 2025 - Sunny
Lo: 5°C41°F
Hi: 19°C66°F
Sunny Wednesday, temperatures as high as 66°F19°C, low temperature around 41°F5°C, wind out of the SW 11 mph18 km/h. Barometric pressure 30.24 in1024 mb, visibility 6 mi10 km, humidity 59%, uv index 1.
Thu, 27th
Belleville IL Weather  - Thursday, Mar 27, 2025 - Thundery Outbreaks In Nearby
Lo: 7°C45°F
Hi: 21°C69°F
Thundery outbreaks in nearby Thursday, temperatures as high as 69°F21°C, low temperature around 45°F7°C, wind out of the SSE 14 mph22 km/h. Barometric pressure 30.09 in1019 mb, visibility 6 mi9 km, humidity 77%, uv index 0.
Fri, 28th
Belleville IL Weather  - Friday, Mar 28, 2025 - Partly Cloudy
Lo: 12°C54°F
Hi: 23°C73°F
Partly Cloudy Friday, temperatures as high as 73°F23°C, low temperature around 54°F12°C, wind out of the SSW 22 mph36 km/h. Barometric pressure 30 in1016 mb, visibility 6 mi10 km, humidity 80%, uv index 1.
Sat, 29th
Belleville IL Weather  - Saturday, Mar 29, 2025 - Patchy Rain Nearby
Lo: 14°C57°F
Hi: 17°C62°F
Patchy rain nearby Saturday, temperatures as high as 62°F17°C, low temperature around 57°F14°C, chance of rain 83%, wind out of the S 14 mph22 km/h. Barometric pressure 29.85 in1011 mb, visibility 6 mi9 km, humidity 90%.
Sun, 30th
Belleville IL Weather  - Sunday, Mar 30, 2025 - Heavy Rain
Lo: 14°C57°F
Hi: 21°C69°F
Heavy rain Sunday, temperatures as high as 69°F21°C, low temperature around 57°F14°C, chance of rain 84%, wind out of the S 21 mph33 km/h. Barometric pressure 29.68 in1005 mb, visibility 5 mi8 km, humidity 93%.
Mon, 31st
Belleville IL Weather  - Monday, Mar 31, 2025 - Patchy Rain Nearby
Lo: 0°C32°F
Hi: 8°C46°F
Patchy rain nearby Monday, temperatures as high as 46°F8°C, low temperature around 32°F0°C, chance of rain 78%, wind out of the WNW 19 mph31 km/h. Barometric pressure 29.85 in1011 mb, visibility 4 mi7 km, humidity 87%.
Tue, 1st
Belleville IL Weather  - Tuesday, Apr 1, 2025 - Sunny
Lo: -2°C28°F
Hi: 9°C48°F
Sunny Tuesday, temperatures as high as 48°F9°C, low temperature around 28°F-2°C, wind out of the NE 10 mph17 km/h. Barometric pressure 30.24 in1024 mb, visibility 6 mi10 km, humidity 65%, uv index 2.
Wed, 2nd
Belleville IL Weather  - Wednesday, Apr 2, 2025 - Patchy Rain Nearby
Lo: 1°C34°F
Hi: 14°C58°F
Patchy rain nearby Wednesday, temperatures as high as 58°F14°C, low temperature around 34°F1°C, chance of rain 81%, wind out of the SSE 17 mph27 km/h. Barometric pressure 29.97 in1015 mb, visibility 6 mi10 km, humidity 69%.
Thu, 3rd
Belleville IL Weather  - Thursday, Apr 3, 2025 - Patchy Rain Nearby
Lo: 14°C56°F
Hi: 18°C65°F
Patchy rain nearby Thursday, temperatures as high as 65°F18°C, low temperature around 56°F14°C, chance of rain 84%, wind out of the S 19 mph31 km/h. Barometric pressure 29.62 in1003 mb, visibility 6 mi9 km, humidity 87%.
Fri, 4th
Belleville IL Weather  - Friday, Apr 4, 2025 - Heavy Rain
Lo: 19°C66°F
Hi: 23°C73°F
Heavy rain Friday, temperatures as high as 73°F23°C, low temperature around 66°F19°C, chance of rain 84%, wind out of the S 25 mph40 km/h. Barometric pressure 29.62 in1003 mb, visibility 5 mi8 km, humidity 89%.
Sat, 5th
Belleville IL Weather  - Saturday, Apr 5, 2025 - Patchy Rain Nearby
Lo: 5°C42°F
Hi: 8°C46°F
Patchy rain nearby Saturday, temperatures as high as 46°F8°C, low temperature around 42°F5°C, chance of rain 89%, wind out of the NW 17 mph27 km/h. Barometric pressure 29.97 in1015 mb, visibility 6 mi10 km, humidity 82%.
Sun, 6th
Belleville IL Weather  - Sunday, Apr 6, 2025 - Patchy Rain Nearby
Lo: 2°C35°F
Hi: 6°C42°F
Patchy rain nearby Sunday, temperatures as high as 42°F6°C, low temperature around 35°F2°C, wind out of the SW 16 mph26 km/h. Barometric pressure 30.3 in1026 mb, visibility 6 mi10 km, humidity 74%, uv index 1.
Mon, 7th
Belleville IL Weather  - Monday, Apr 7, 2025 - Sunny
Lo: -1°C30°F
Hi: 10°C49°F
Sunny Monday, temperatures as high as 49°F10°C, low temperature around 30°F-1°C, wind out of the NNW 17 mph27 km/h. Barometric pressure 30.15 in1021 mb, visibility 6 mi10 km, humidity 62%, uv index 2.
Tue, 8th
Belleville IL Weather  - Tuesday, Apr 8, 2025 - Partly Cloudy
Lo: 4°C39°F
Hi: 10°C50°F
Partly Cloudy Tuesday, temperatures as high as 50°F10°C, low temperature around 39°F4°C, wind out of the WNW 16 mph26 km/h. Barometric pressure 29.97 in1015 mb, visibility 6 mi10 km, humidity 67%, uv index 3.

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