Weather forecast for 10 daysBelleville, IL
Weather forecast for the weekend
Saturday Oct 17, 2026
- 61°F
- 36°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 6mphN 8°
- Humidity: 47%
- UV index: 5
- Sunrise: 7:11 am CDT
- Sunset: 6:19 pm CDT
- details ▼
On Saturday, in Belleville, skies are expected to be clear and full of sunshine.
The highest temperature will be an enjoyable 60.8°F, while the lowest temperature will be a cold 35.6°F.
Forecasted temperatures are trending moderately lower than October's climate norm of 66.7°F.
Sunrise was at 7:11 am and sunset will be at 6:19 pm; the daylight will last for 11h and 8min.
The highest temperature will be an enjoyable 60.8°F, while the lowest temperature will be a cold 35.6°F.
Forecasted temperatures are trending moderately lower than October's climate norm of 66.7°F.
Sunrise was at 7:11 am and sunset will be at 6:19 pm; the daylight will last for 11h and 8min.
Sunday Oct 18, 2026
- 66°F
- 37°F
Sunny
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 7mphSSE 160°
- Humidity: 51%
- UV index: 5
- Sunrise: 7:12 am CDT
- Sunset: 6:17 pm CDT
- details ▼
Tomorrow, on Sunday, the forecast calls for abundant sunshine.
A stark contrast will be observed between the day's peak temperature of a comfortable 66.2°F and the night's low of an icy 37.4°F.
Tomorrow's high temperature will mirror the usual October maximum of 66.7°F.
Sunrise will be at 7:12 am and sunset at 6:17 pm; tomorrow's daylight will last for 11h and 5min.
A stark contrast will be observed between the day's peak temperature of a comfortable 66.2°F and the night's low of an icy 37.4°F.
Tomorrow's high temperature will mirror the usual October maximum of 66.7°F.
Sunrise will be at 7:12 am and sunset at 6:17 pm; tomorrow's daylight will last for 11h and 5min.
10-day overview
Daily temperatures
Warmest day: Sunday 25.10. 82°C.
Coldest day: today 61°C.
Coldest day: today 61°C.
Chance of precipitation
Highest chance: tomorrow - Tuesday 6%.
Long-term weather forecast
- Saturday
- Oct 17, 2026
- 61°F
- 36°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 6mphN 8°
- Humidity: 47%
- UV index: 5
- Sunrise: 7:11 am CDT
- Sunset: 6:19 pm CDT
- details ▼
- Sunday
- Oct 18, 2026
- 66°F
- 37°F
Sunny
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 7mphSSE 160°
- Humidity: 51%
- UV index: 5
- Sunrise: 7:12 am CDT
- Sunset: 6:17 pm CDT
- details ▼
- Monday
- Oct 19, 2026
- 72°F
- 41°F
Mostly Sunny
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 4mphSSE 156°
- Humidity: 53%
- UV index: 5
- Sunrise: 7:13 am CDT
- Sunset: 6:16 pm CDT
- details ▼
- Tuesday
- Oct 20, 2026
- 75°F
- 43°F
Partly Cloudy
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 4mphESE 111°
- Humidity: 51%
- UV index: 5
- Sunrise: 7:14 am CDT
- Sunset: 6:15 pm CDT
- details ▼
- Wednesday
- Oct 21, 2026
- 77°F
- 45°F
Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 3mphS 175°
- Humidity: 50%
- UV index: 4
- Sunrise: 7:15 am CDT
- Sunset: 6:13 pm CDT
- details ▼
- Thursday
- Oct 22, 2026
- 79°F
- 45°F
Mostly Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 4mphSSW 197°
- Humidity: 48%
- UV index: 4
- Sunrise: 7:16 am CDT
- Sunset: 6:12 pm CDT
- details ▼
- Friday
- Oct 23, 2026
- 81°F
- 45°F
Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 6mphESE 112°
- Humidity: 47%
- UV index: 4
- Sunrise: 7:17 am CDT
- Sunset: 6:11 pm CDT
- details ▼
- Saturday
- Oct 24, 2026
- 81°F
- 48°F
Partly Cloudy
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 6mphSE 141°
- Humidity: 48%
- UV index: 4
- Sunrise: 7:18 am CDT
- Sunset: 6:09 pm CDT
- details ▼
- Sunday
- Oct 25, 2026
- 82°F
- 50°F
Partly Cloudy
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 6mphSSW 209°
- Humidity: 50%
- UV index: 4
- Sunrise: 7:19 am CDT
- Sunset: 6:08 pm CDT
- details ▼
- Monday
- Oct 26, 2026
- 79°F
- 52°F
Partly Cloudy
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 5mphWNW 286°
- Humidity: 55%
- UV index: 4
- Sunrise: 7:20 am CDT
- Sunset: 6:07 pm CDT
- details ▼
For the coming ten days, a combination of mostly clear and cloudy weather is anticipated.
Rainfall is not expected in Belleville in the upcoming days.
Temperature differences will be noticeable in the upcoming days. Maximum temperatures are forecasted between 60.8°F and 82.4°F, while the lowest nightly temperature differences will be also quite pronounced, as the minimum temperature is expected to range between 35.6°F and 51.8°F.
With the highest temperature of 82.4°F, next Sunday will be the warmest day; today is the coldest day, with a maximum temperature of 60.8°F.
Rainfall is not expected in Belleville in the upcoming days.
Temperature differences will be noticeable in the upcoming days. Maximum temperatures are forecasted between 60.8°F and 82.4°F, while the lowest nightly temperature differences will be also quite pronounced, as the minimum temperature is expected to range between 35.6°F and 51.8°F.
With the highest temperature of 82.4°F, next Sunday will be the warmest day; today is the coldest day, with a maximum temperature of 60.8°F.
Updated: Oct 17, 2026 @ 15:57:29 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Frequently asked questions
On Saturday, skies will stay clear and sunny.
Today, the maximum temperature will be 60.8°F, while the minimum temperature will be 35.6°F.
Today, the highest temperature will be a few degrees lower than the average maximum temperature in October. The lowest temperature will be uncommonly lower than the average low of 48.9°F.
Today, the highest temperature will be a few degrees lower than the average maximum temperature in October. The lowest temperature will be uncommonly lower than the average low of 48.9°F.
On Saturday, in Belleville, sunrise was at 7:11 am and sunset will be at 6:19 pm (CDT).
In Belleville, today, there will be 11h and 8min of daylight.
On Sunday, sun-filled conditions are expected to persist.
Tomorrow, the maximum temperature will be 66.2°F, while the minimum temperature will be 37.4°F.
The maximum temperature will be in line with the average highest temperature of 66.7°F in October. The lowest temperature will be notably lower than the average low of 48.9°F.
The maximum temperature will be in line with the average highest temperature of 66.7°F in October. The lowest temperature will be notably lower than the average low of 48.9°F.
On Sunday, in Belleville, sunrise will be at 7:12 am and sunset at 6:17 pm (CDT).
Tomorrow, the daylight will last for 11h and 5min.





