10-day forecast for Belleville, IL: 37° to 80°, with precipitation expected on 3 days. The table below breaks each day into morning, afternoon, evening and overnight.
77°
Best day: Friday, October 30
67° · 0.5 in
Worst day: Wednesday, November 4
Tap any day below to see morning, afternoon, evening and overnight.
Fri, 3077° / 58°0
Morning60°feels 61°
Afternoon76°feels 76°
Evening66°feels 66°
Overnight61°feels 61°
77 °
Belleville, Friday, 30 October
Overcast. High 77°, low 58°.
Pressure30.24 inHg
Wind6.4 mph SE
Humidity62%
Visibility6.2 mi
Dew point58°
Sat, 3168° / 61°0
Morning61°feels 61°
Afternoon68°feels 67°
Evening62°feels 60°
Overnight63°feels 63°
68 °
Belleville, Saturday, 31 October
Overcast. High 68°, low 61°.
Pressure30.27 inHg
Wind5.1 mph E
Humidity64%
Visibility6.2 mi
Dew point53°
Sun, 0168° / 59°0.14
Morning59°feels 59°
Afternoon68°feels 68°
Evening65°feels 65°
Overnight61°feels 61°
68 °
Belleville, Sunday, 1 November
Light rain. High 68°, low 59°.
Pressure30.27 inHg
Wind8.9 mph SE
Humidity82%
Visibility6.2 mi
Dew point58°
Mon, 0267° / 59°0
Morning60°feels 60°
Afternoon66°feels 66°
Evening66°feels 67°
Overnight61°feels 60°
67 °
Belleville, Monday, 2 November
Overcast. High 67°, low 59°.
Pressure30.06 inHg
Wind14 mph S
Humidity79%
Visibility—
Dew point59°
Tue, 0375° / 63°0
Morning66°feels 66°
Afternoon74°feels 74°
Evening69°feels 69°
Overnight66°feels 66°
75 °
Belleville, Tuesday, 3 November
Overcast. High 75°, low 63°.
Pressure29.91 inHg
Wind16.4 mph S
Humidity59%
Visibility—
Dew point58°
Wed, 0467° / 58°0.5
Morning63°feels 63°
Afternoon62°feels 62°
Evening61°feels 61°
Overnight59°feels 60°
67 °
Belleville, Wednesday, 4 November
Rain. High 67°, low 58°.
Pressure29.74 inHg
Wind12.8 mph SE
Humidity88%
Visibility—
Dew point58°
Thu, 0561° / 53°0.13
Morning59°feels 59°
Afternoon58°feels 58°
Evening54°feels 53°
Overnight54°feels 53°
61 °
Belleville, Thursday, 5 November
Light rain. High 61°, low 53°.
Pressure29.62 inHg
Wind12.3 mph W
Humidity87%
Visibility—
Dew point56°
Fri, 0653° / 46°0
Morning51°feels 49°
Afternoon50°feels 48°
Evening48°feels 43°
Overnight47°feels 43°
53 °
Belleville, Friday, 6 November
Light rain. High 53°, low 46°.
Pressure29.85 inHg
Wind14 mph W
Humidity78%
Visibility—
Dew point44°
Sat, 0753° / 37°0
Morning41°feels 36°
Afternoon50°feels 47°
Evening44°feels 41°
Overnight41°feels 37°
53 °
Belleville, Saturday, 7 November
Partly cloudy. High 53°, low 37°.
Pressure30.21 inHg
Wind9 mph N
Humidity41%
Visibility—
Dew point26°
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.