10-day forecast for Belleville, IL: 42° to 80°, with precipitation expected on 4 days. The table below breaks each day into morning, afternoon, evening and overnight.
80°
Best day: Thursday, October 29
65° · 1.7 in
Worst day: Tuesday, November 3
Tap any day below to see morning, afternoon, evening and overnight.
Thu, 2980° / 53°0
Morning55°feels 53°
Afternoon78°feels 78°
Evening70°feels 70°
Overnight56°feels 55°
80 °
Belleville, Thursday, 29 October
Mostly clear. High 80°, low 53°.
Pressure30.15 inHg
Wind4.8 mph SW
Humidity52%
Visibility6.2 mi
Dew point56°
Fri, 3078° / 60°0
Morning60°feels 60°
Afternoon77°feels 77°
Evening70°feels 70°
Overnight62°feels 62°
78 °
Belleville, Friday, 30 October
Overcast. High 78°, low 60°.
Pressure30.24 inHg
Wind6.5 mph SE
Humidity65%
Visibility6.2 mi
Dew point60°
Sat, 3171° / 62°0
Morning61°feels 62°
Afternoon70°feels 70°
Evening66°feels 65°
Overnight65°feels 65°
71 °
Belleville, Saturday, 31 October
Overcast. High 71°, low 62°.
Pressure30.24 inHg
Wind2.2 mph E
Humidity70%
Visibility6.2 mi
Dew point59°
Sun, 0176° / 59°0
Morning63°feels 63°
Afternoon73°feels 73°
Evening68°feels 68°
Overnight62°feels 61°
76 °
Belleville, Sunday, 1 November
Overcast. High 76°, low 59°.
Pressure30.24 inHg
Wind8 mph SE
Humidity51%
Visibility—
Dew point53°
Mon, 0272° / 61°0.67
Morning64°feels 64°
Afternoon72°feels 71°
Evening68°feels 68°
Overnight66°feels 66°
72 °
Belleville, Monday, 2 November
Heavy rain. High 72°, low 61°.
Pressure30.06 inHg
Wind13.4 mph S
Humidity52%
Visibility—
Dew point52°
Tue, 0365° / 53°1.7
Morning63°feels 63°
Afternoon59°feels 58°
Evening57°feels 56°
Overnight55°feels 54°
65 °
Belleville, Tuesday, 3 November
Heavy rain. High 65°, low 53°.
Pressure29.74 inHg
Wind14.6 mph SE
Humidity71%
Visibility—
Dew point51°
Wed, 0461° / 50°0.37
Morning56°feels 56°
Afternoon59°feels 59°
Evening59°feels 59°
Overnight56°feels 56°
61 °
Belleville, Wednesday, 4 November
Rain. High 61°, low 50°.
Pressure29.74 inHg
Wind10.4 mph NW
Humidity95%
Visibility—
Dew point57°
Thu, 0555° / 51°1.37
Morning52°feels 52°
Afternoon55°feels 55°
Evening55°feels 55°
Overnight53°feels 53°
55 °
Belleville, Thursday, 5 November
Heavy rain. High 55°, low 51°.
Pressure29.56 inHg
Wind18.8 mph NW
Humidity94%
Visibility—
Dew point53°
Fri, 0652° / 42°0
Morning46°feels 40°
Afternoon49°feels 46°
Evening44°feels 40°
Overnight42°feels 38°
52 °
Belleville, Friday, 6 November
Clear. High 52°, low 42°.
Pressure30.12 inHg
Wind15.8 mph NW
Humidity52%
Visibility—
Dew point33°
About this forecast
How reliable is a 10-day forecast?
The first 3–5 days are the most reliable, typically within 2–4°. From day six to ten the models show the trend: the direction of change is right more often than the exact numbers.
What does the time-of-day table show?
Temperature in Belleville, IL around 8am, 2pm, 8pm and 2am each day — handy for planning a walk, a drive or work outdoors.
How is the best day chosen?
We weigh the daytime high against precipitation: a warm, dry day scores highest.