Weather in Belleville, Illinois, United States

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7-Day Detailed Weather Forecast for Belleville

Overnight

Temperature: 63°F

Wind Speed: 0 to 3 mph

Wind Direction: S

Forecast: Partly cloudy, with a low around 63. South wind 0 to 3 mph.

Wednesday

Temperature: 92°F

Wind Speed: 5 to 25 mph

Wind Direction: S

Forecast: Mostly sunny, with a high near 92. South wind 5 to 25 mph, with gusts as high as 41 mph.

Wednesday Night

Temperature: 71°F

Wind Speed: 6 to 23 mph

Wind Direction: W

Forecast: Showers and thunderstorms between 7pm and midnight. Some of the storms could produce heavy rain. Mostly cloudy, with a low around 71. West wind 6 to 23 mph, with gusts as high as 37 mph. Chance of precipitation is 90%.

Thursday

Temperature: 82°F

Wind Speed: 8 mph

Wind Direction: NW

Forecast: A chance of showers and thunderstorms between 1pm and 4pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 82. Northwest wind around 8 mph. Chance of precipitation is 30%.

Thursday Night

Temperature: 62°F

Wind Speed: 1 to 7 mph

Wind Direction: N

Forecast: A chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 62. North wind 1 to 7 mph. Chance of precipitation is 30%.

Juneteenth

Temperature: 84°F

Wind Speed: 1 to 6 mph

Wind Direction: N

Forecast: Sunny, with a high near 84.

Friday Night

Temperature: 64°F

Wind Speed: 1 to 5 mph

Wind Direction: E

Forecast: Mostly clear, with a low around 64.

Saturday

Temperature: 87°F

Wind Speed: 2 to 7 mph

Wind Direction: S

Forecast: Mostly sunny, with a high near 87.

Saturday Night

Temperature: 68°F

Wind Speed: 6 mph

Wind Direction: SE

Forecast: A chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 68. Chance of precipitation is 30%.

Sunday

Temperature: 84°F

Wind Speed: 7 to 13 mph

Wind Direction: S

Forecast: A chance of showers and thunderstorms before 7am, then showers and thunderstorms likely. Mostly cloudy, with a high near 84. Chance of precipitation is 70%.

Sunday Night

Temperature: 69°F

Wind Speed: 12 mph

Wind Direction: SE

Forecast: Showers and thunderstorms. Mostly cloudy, with a low around 69. Chance of precipitation is 80%.

Monday

Temperature: 83°F

Wind Speed: 10 mph

Wind Direction: NE

Forecast: Showers and thunderstorms likely before 1pm, then a slight chance of showers and thunderstorms. Mostly cloudy, with a high near 83. Chance of precipitation is 70%.

Monday Night

Temperature: 66°F

Wind Speed: 3 to 9 mph

Wind Direction: NE

Forecast: A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Chance of precipitation is 20%.

Tuesday

Temperature: 83°F

Wind Speed: 7 mph

Wind Direction: N

Forecast: A slight chance of rain showers before 7am, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 83. Chance of precipitation is 20%.