Belleville, IL Weather - Extended Forecast

Saturday

Mostly sunny

High:
52°F

Mostly sunny, with a high near 52. Northwest wind 5 to 8 mph.

Saturday Night

Mostly clear

Overnight low:
33°F

Mostly clear, with a low around 33.

Sunday

Sunny

High:
58°F

Sunny, with a high near 58.

Sunday Night

Clear

Overnight low:
39°F

Clear, with a low around 39.

Monday

Sunny

High:
70°F

Monday Night

Clear

Overnight low:
49°F

Tuesday

Sunny

High:
74°F

Tuesday Night

Mostly clear

Overnight low:
52°F

Wednesday

Mostly sunny

High:
68°F