Weather today - Glen Carbon, IL

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Weather forecast for today

Current condition 5:39 pm CDT

55°F
Feels like:
55°F

Sunny

Precipitation: 0"
Wind: 2mphN 0°
Humidity: 45%
Dewpoint: 36°F
Pressure: 30.46"Hg
Visibility: 10mi
UV index: 0
details ▼

At the moment, in Glen Carbon, sunshine is pouring down, making for a beautiful day.
The temperature is a refreshing 55.4°F.

Saturday Oct 17, 2026

min.
37°F

Clear

Precip. probability: 4%
Precipitation: 0"
Wind: 3mphESE 122°
Humidity: 76%
UV index: 0
Sunrise: 7:11 am CDT
Sunset: 6:18 pm CDT
details ▼

Through the evening hours, a stunningly clear sky is on the horizon.
The lowest predicted temperature is a cold 37.4°F.
Sunrise was at 7:11 am and sunset will be at 6:18 pm; the daylight will last for 11h and 8min.

Hourly overview

Hourly temperatures

Warmest hour: 6 pm 55°C.
Coldest period: 11 pm - 1 am 43°C.

Chance of precipitation

Highest chance: 1 am 2%.

Hourly weather forecast

6 pm

55°F
Feels like:
55°F

Sunny

Precip. probability: 1%
Precipitation: 0"
Wind: 1mphNNE 26°
Humidity: 51%
Pressure: 30.45"Hg
Visibility: 10mi
UV index: 0
details ▼

Sunset: 6:18 pm

7 pm

50°F
Feels like:
50°F

Clear

Precip. probability: 1%
Precipitation: 0"
Wind: 1mphENE 56°
Humidity: 63%
Pressure: 30.45"Hg
Visibility: 10mi
UV index: 0
details ▼

8 pm

48°F
Feels like:
48°F

Clear

Precip. probability: 1%
Precipitation: 0"
Wind: 1mphE 89°
Humidity: 70%
Pressure: 30.45"Hg
Visibility: 10mi
UV index: 0
details ▼

9 pm

46°F
Feels like:
46°F

Clear

Precip. probability: 1%
Precipitation: 0"
Wind: 1mphE 99°
Humidity: 76%
Pressure: 30.45"Hg
Visibility: 10mi
UV index: 0
details ▼

10 pm

45°F
Feels like:
45°F

Clear

Precip. probability: 1%
Precipitation: 0"
Wind: 1mphESE 121°
Humidity: 81%
Pressure: 30.47"Hg
Visibility: 10mi
UV index: 0
details ▼

11 pm

43°F
Feels like:
43°F

Clear

Precip. probability: 1%
Precipitation: 0"
Wind: 1mphSE 129°
Humidity: 83%
Pressure: 30.47"Hg
Visibility: 10mi
UV index: 0
details ▼

12 am

43°F
Feels like:
43°F

Clear

Precip. probability: 1%
Precipitation: 0"
Wind: 2mphSE 134°
Humidity: 83%
Pressure: 30.47"Hg
Visibility: 10mi
UV index: 0
details ▼

1 am

43°F
Feels like:
43°F

Clear

Precip. probability: 2%
Precipitation: 0"
Wind: 2mphSE 145°
Humidity: 83%
Pressure: 30.47"Hg
Visibility: 10mi
UV index: 0
details ▼

2 am

41°F
Feels like:
41°F

Clear

Precip. probability: 3%
Precipitation: 0"
Wind: 2mphSE 142°
Humidity: 82%
Pressure: 30.47"Hg
Visibility: 10mi
UV index: 0
details ▼

3 am

41°F
Feels like:
41°F

Clear

Precip. probability: 3%
Precipitation: 0"
Wind: 2mphSE 145°
Humidity: 84%
Pressure: 30.47"Hg
Visibility: 10mi
UV index: 0
details ▼

For the rest of Saturday, mainly sunny weather and a cloudless sky are anticipated.
The temperature will vary between the highest temperature of 55.4°F and the lowest temperature of 42.8°F.

Updated: Oct 17, 2026 @ 22:39:02 UTC
Published by: Weather U.S. | About Us
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Weather Forecasting & Climate