Weather forecast for 10 daysGlen Carbon, IL
Weather forecast for the weekend
Sunday Oct 18, 2026
- 66°F
- 39°F
Sunny
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 9mphSSE 163°
- Humidity: 53%
- UV index: 5
- Sunrise: 7:12 am CDT
- Sunset: 6:17 pm CDT
- details ▼
On Sunday, October 18, a sun-drenched sky is anticipated.
Dramatic temperature shifts from a high of a comfortable 66.2°F to a low of a cold 39.2°F are predicted.
The highest temperature for today is expected to reflect October's average of 66°F.
Sunrise will be at 7:12 am and sunset at 6:17 pm; the daylight will last for 11h and 5min.
Dramatic temperature shifts from a high of a comfortable 66.2°F to a low of a cold 39.2°F are predicted.
The highest temperature for today is expected to reflect October's average of 66°F.
Sunrise will be at 7:12 am and sunset at 6:17 pm; the daylight will last for 11h and 5min.
10-day overview
Daily temperatures
Warmest day: Sunday 25.10. 82°C.
Coldest day: today 66°C.
Coldest day: today 66°C.
Chance of precipitation
Highest chance: Tuesday 27.10. 8%.
Long-term weather forecast
- Sunday
- Oct 18, 2026
- 66°F
- 39°F
Sunny
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 9mphSSE 163°
- Humidity: 53%
- 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: 5%
- Precipitation: 0"
- Wind: 4mphSSE 163°
- Humidity: 54%
- UV index: 5
- Sunrise: 7:13 am CDT
- Sunset: 6:16 pm CDT
- details ▼
- Tuesday
- Oct 20, 2026
- 75°F
- 43°F
Mostly Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 4mphESE 106°
- Humidity: 52%
- UV index: 4
- Sunrise: 7:14 am CDT
- Sunset: 6:14 pm CDT
- details ▼
- Wednesday
- Oct 21, 2026
- 77°F
- 45°F
Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 2mphSSW 195°
- Humidity: 49%
- UV index: 4
- Sunrise: 7:15 am CDT
- Sunset: 6:13 pm CDT
- details ▼
- Thursday
- Oct 22, 2026
- 77°F
- 45°F
Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 4mphSSE 153°
- Humidity: 52%
- UV index: 4
- Sunrise: 7:16 am CDT
- Sunset: 6:12 pm CDT
- details ▼
- Friday
- Oct 23, 2026
- 79°F
- 46°F
Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 7mphSE 131°
- Humidity: 51%
- UV index: 4
- Sunrise: 7:17 am CDT
- Sunset: 6:10 pm CDT
- details ▼
- Saturday
- Oct 24, 2026
- 79°F
- 46°F
Partly Cloudy
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 7mphSSE 154°
- Humidity: 47%
- 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 201°
- Humidity: 46%
- UV index: 4
- Sunrise: 7:19 am CDT
- Sunset: 6:08 pm CDT
- details ▼
- Monday
- Oct 26, 2026
- 79°F
- 50°F
Partly Cloudy
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 6mphSSW 202°
- Humidity: 49%
- UV index: 4
- Sunrise: 7:20 am CDT
- Sunset: 6:06 pm CDT
- details ▼
- Tuesday
- Oct 27, 2026
- 77°F
- 52°F
Partly Cloudy
- Precip. probability: 8%
- Precipitation: 0"
- Wind: 6mphS 177°
- Humidity: 54%
- UV index: 3
- Sunrise: 7:21 am CDT
- Sunset: 6:05 pm CDT
- details ▼
Throughout the next ten days, a combination of dry and sunny and cloudy weather is anticipated.
Rain is not forecasted in Glen Carbon in the upcoming days.
Noticeable swings in temperature are expected over the next several days. The maximum temperature will vary between 66.2°F and 82.4°F, while the variation in nighttime lows will be also notably wide, as the minimum temperature is expected to range between 39.2°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 66.2°F.
Rain is not forecasted in Glen Carbon in the upcoming days.
Noticeable swings in temperature are expected over the next several days. The maximum temperature will vary between 66.2°F and 82.4°F, while the variation in nighttime lows will be also notably wide, as the minimum temperature is expected to range between 39.2°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 66.2°F.
Updated: Oct 18, 2026 @ 07:01:16 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 Sunday, sunny skies and pleasant visibility are expected.
Today, the highest temperature will be 66.2°F, while the lowest temperature will be 39.2°F.
The highest temperature will be in line with the average maximum of 66°F in October. The lowest temperature will be uncommonly lower than the average low of 48.9°F.
The highest temperature will be in line with the average maximum of 66°F in October. The lowest temperature will be uncommonly lower than the average low of 48.9°F.
On Sunday, in Glen Carbon, sunrise will be at 7:12 am and sunset at 6:17 pm (CDT).
In Glen Carbon, today, there will be 11h and 5min of daylight.
