Weather forecast for todayGlen Carbon, IL
Weather forecast for today
Current condition 9:23 am CDT
- 57°F
- Feels like:57°F
Sunny
- Precipitation: 0"
- Wind: 1mphESE 110°
- Humidity: 76%
- Dewpoint: 50°F
- Pressure: 30.3"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
At the moment, the weather is ideal, with the sun shining and the air feeling fresh.
The temperature is a refreshing 57.2°F. The current temperature is relatively far from the maximum of 75.2°F forecasted for today.
The temperature is a refreshing 57.2°F. The current temperature is relatively far from the maximum of 75.2°F forecasted for today.
Wednesday Oct 21, 2026
- 75°F
- 46°F
Sunny
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 2mphSW 219°
- Humidity: 48%
- UV index: 4
- Sunrise: 7:15 am CDT
- Sunset: 6:13 pm CDT
- details ▼
Today, expect bright skies and plenty of sunshine.
Significant temperature fluctuations from a high of a temperate 75.2°F to a low of a brisk 46.4°F are predicted.
With a forecast of 75.2°F, conditions deviate from October's average and instead resemble September's climate trend.
Sunrise was at 7:15 am and sunset will be at 6:13 pm; the daylight will last for 10h and 58min.
Significant temperature fluctuations from a high of a temperate 75.2°F to a low of a brisk 46.4°F are predicted.
With a forecast of 75.2°F, conditions deviate from October's average and instead resemble September's climate trend.
Sunrise was at 7:15 am and sunset will be at 6:13 pm; the daylight will last for 10h and 58min.
Hourly overview
Hourly temperatures
Warmest period: 2 pm - 4 pm 73°C.
Coldest hour: 12 am 52°C.
Coldest hour: 12 am 52°C.
Chance of precipitation
Highest chance: 12 am 2%.
Hourly weather forecast
- 10 am
- 61°F
- Feels like:61°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 1mphSE 124°
- Humidity: 68%
- Pressure: 30.3"Hg
- Visibility: 10mi
- UV index: 2
- details ▼
- 11 am
- 66°F
- Feels like:66°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 2mphS 172°
- Humidity: 55%
- Pressure: 30.27"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 12 pm
- 70°F
- Feels like:70°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 2mphSSW 192°
- Humidity: 47%
- Pressure: 30.24"Hg
- Visibility: 10mi
- UV index: 4
- details ▼
- 1 pm
- 70°F
- Feels like:70°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 2mphSW 221°
- Humidity: 41%
- Pressure: 30.24"Hg
- Visibility: 10mi
- UV index: 4
- details ▼
- 2 pm
- 73°F
- Feels like:73°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 2mphSW 217°
- Humidity: 38%
- Pressure: 30.21"Hg
- Visibility: 10mi
- UV index: 4
- details ▼
- 3 pm
- 73°F
- Feels like:73°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 2mphWSW 242°
- Humidity: 36%
- Pressure: 30.18"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 4 pm
- 73°F
- Feels like:73°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 2mphW 259°
- Humidity: 36%
- Pressure: 30.18"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 5 pm
- 72°F
- Feels like:72°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 2mphWSW 246°
- Humidity: 38%
- Pressure: 30.18"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 pm
- 68°F
- Feels like:68°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 1mphWSW 256°
- Humidity: 46%
- Pressure: 30.18"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 6:13 pm
- 7 pm
- 63°F
- Feels like:63°F
Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 0mphNW 324°
- Humidity: 63%
- Pressure: 30.18"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 8 pm
- 59°F
- Feels like:59°F
Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 1mphNNW 341°
- Humidity: 72%
- Pressure: 30.18"Hg
- Visibility: 9mi
- UV index: 0
- details ▼
- 9 pm
- 57°F
- Feels like:57°F
Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 0mphNNE 29°
- Humidity: 77%
- Pressure: 30.21"Hg
- Visibility: 9mi
- UV index: 0
- details ▼
- 10 pm
- 55°F
- Feels like:55°F
Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 1mphNNE 16°
- Humidity: 80%
- Pressure: 30.21"Hg
- Visibility: 9mi
- UV index: 0
- details ▼
- 11 pm
- 54°F
- Feels like:54°F
Clear
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 0mphNNW 334°
- Humidity: 83%
- Pressure: 30.21"Hg
- Visibility: 9mi
- UV index: 0
- details ▼
Today, in Glen Carbon, bright and mostly sunny weather is expected.
The temperature will vary between a maximum of 73.4°F and a minimum of 53.6°F. The warmest part of the day will be from 2 pm to 4 pm.
The forecasted maximum is more comparable to September's typical high of 79°F than the average for October. The night temperature will be comparable to the standard October low of 48.9°F.
The temperature will vary between a maximum of 73.4°F and a minimum of 53.6°F. The warmest part of the day will be from 2 pm to 4 pm.
The forecasted maximum is more comparable to September's typical high of 79°F than the average for October. The night temperature will be comparable to the standard October low of 48.9°F.
Updated: Oct 21, 2026 @ 14:23:08 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Frequently asked questions
The current temperature (9:23 am CDT) is 57.2°F.
On Wednesday, expect sunny weather with a crisp, clear sky.
Today, the highest temperature will be 75.2°F, while the lowest temperature will be 46.4°F.
The maximum temperature will be significantly higher than the average highest temperature of 66°F in October. The lowest temperature will be in line with the average low of 48.9°F.
The maximum temperature will be significantly higher than the average highest temperature of 66°F in October. The lowest temperature will be in line with the average low of 48.9°F.
On Wednesday, in Glen Carbon, sunrise was at 7:15 am and sunset will be at 6:13 pm (CDT).
In Glen Carbon, the length of the day today will be 10h and 58min.
Glen Carbon, Illinois, USA
- en: Glen Carbon, Illinois, USA
- es: Glen Carbon, Illinois, EE.UU.
- hr: Glen Karbon, Ilinois, SAD
- mk: Glen Karbon, Ilinois, SAD
- sr: Glen Karbon, Ilinois, SAD
- zh: Glen Carbon, 伊利诺伊, 美国
- Latitude: 38.748381°
- Longitude: -89.983158°
- Elevation: 466 ft
- Current time: 9:23am CDT
- Sunrise: 7:15 am CDT
- Sunset: 6:13 pm CDT
- Timezone: America/Chicago
Nearby Glen Carbon, Illinois, USA
- Maryville (2 mi)
- Edwardsville (4 mi)
- Pontoon Beach (6 mi)
- Collinsville (6 mi)
- Troy (6 mi)
- South Roxana (7 mi)
- Roxana (8 mi)
- Caseyville (8 mi)
- Hartford (9 mi)
- Fairmont City (9 mi)
- Granite City (9 mi)
- Washington Park (10 mi)
- Wood River (10 mi)
- Madison (11 mi)
- Rosewood Heights (11 mi)
- Fairview Heights (11 mi)
- Venice (11 mi)
- East Alton (11 mi)
- O'Fallon (11 mi)
- Bethalto (12 mi)
- Glasgow Village (12 mi)
- Brooklyn (12 mi)
- Saint Jacob (12 mi)
- Hamel (12 mi)
Illinois, USA - most visited locations
- Chicago
- Aurora
- Rockford
- Joliet
- Naperville
- Springfield
- Peoria
- Elgin
- Waukegan
- Champaign
- Cicero
- Bloomington
- Arlington Heights
- Evanston
- Schaumburg
- Bolingbrook
- Decatur
- Palatine
- Skokie
- Des Plaines
- Orland Park
- Tinley Park
- Oak Lawn
- Berwyn
- Mount Prospect
- Normal
- Wheaton
- Hoffman Estates
- Oak Park
- Downers Grove
- Glenview
- Belleville
- Elmhurst
- DeKalb
- Moline
- Lombard





