Weather forecast for tomorrowGlen Carbon, IL
Weather forecast for tomorrow
Monday Oct 19, 2026
- 72°F
- 41°F
Mostly Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 4mphSSE 162°
- Humidity: 54%
- UV index: 5
- Sunrise: 7:13 am CDT
- Sunset: 6:16 pm CDT
- details ▼
Tomorrow, mostly sunny weather is also likely, with high visibility.
Temperature values will vary noticeably, extending from a pleasant 71.6°F to an icy 41°F.
The forecasted temperature is moderately higher than October's regular maximum of 66°F.
Sunrise will be at 7:13 am and sunset at 6:16 pm; tomorrow's daylight will last for 11h and 3min.
Temperature values will vary noticeably, extending from a pleasant 71.6°F to an icy 41°F.
The forecasted temperature is moderately higher than October's regular maximum of 66°F.
Sunrise will be at 7:13 am and sunset at 6:16 pm; tomorrow's daylight will last for 11h and 3min.
Hourly overview
Hourly temperatures
Warmest hour: 3 pm 70°C.
Coldest hour: 6 am 39°C.
Coldest hour: 6 am 39°C.
Chance of precipitation
Highest chance: 6 am 5%.
Hourly weather forecast
- 12 am
- 45°F
- Feels like:45°F
Clear
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 2mphSSE 153°
- Humidity: 84%
- Pressure: 30.36"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 2 am
- 43°F
- Feels like:43°F
Clear
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 1mphSSE 157°
- Humidity: 89%
- Pressure: 30.36"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 4 am
- 41°F
- Feels like:41°F
Clear
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 1mphSSE 151°
- Humidity: 94%
- Pressure: 30.36"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 am
- 39°F
- Feels like:39°F
Clear
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 0mphSE 145°
- Humidity: 96%
- Pressure: 30.39"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunrise: 7:13 am
- 8 am
- 43°F
- Feels like:43°F
Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 1mphSE 140°
- Humidity: 92%
- Pressure: 30.39"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 am
- 55°F
- Feels like:55°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 3mphSSE 160°
- Humidity: 63%
- Pressure: 30.42"Hg
- Visibility: 10mi
- UV index: 2
- details ▼
- 12 pm
- 64°F
- Feels like:64°F
Mostly Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 4mphS 182°
- Humidity: 44%
- Pressure: 30.36"Hg
- Visibility: 10mi
- UV index: 4
- details ▼
- 2 pm
- 70°F
- Feels like:70°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 4mphS 178°
- Humidity: 36%
- Pressure: 30.33"Hg
- Visibility: 10mi
- UV index: 4
- details ▼
- 4 pm
- 70°F
- Feels like:70°F
Mostly Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 4mphS 172°
- Humidity: 34%
- Pressure: 30.3"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 6 pm
- 64°F
- Feels like:64°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 3mphSE 129°
- Humidity: 43%
- Pressure: 30.27"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 6:16 pm
- 8 pm
- 55°F
- Feels like:55°F
Mostly Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 2mphESE 102°
- Humidity: 65%
- Pressure: 30.3"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 52°F
- Feels like:52°F
Partly Cloudy
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 2mphESE 105°
- Humidity: 76%
- Pressure: 30.3"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Tomorrow, on Monday, primarily sun-filled and occasionally overcast weather is forecasted.
The temperature will vary between a minimum of 39.2°F and a maximum of 69.8°F. The warmest part of the day will be from 2 pm to 4 pm.
The highest temperature will be a few degrees higher than October's average maximum of 66°F. The lowest temperature is more resembling November's average minimum of 37.6°F than the usual minimum of 48.9°F in October.
The temperature will vary between a minimum of 39.2°F and a maximum of 69.8°F. The warmest part of the day will be from 2 pm to 4 pm.
The highest temperature will be a few degrees higher than October's average maximum of 66°F. The lowest temperature is more resembling November's average minimum of 37.6°F than the usual minimum of 48.9°F in October.
Updated: Oct 18, 2026 @ 07:52:48 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 Monday, bright conditions and mild breezes are expected.
Tomorrow, the maximum temperature will be 71.6°F, while the minimum temperature will be 41°F.
The highest temperature will be moderately higher than the average maximum of 66°F in October. The lowest temperature will be also relatively lower than the average low of 48.9°F.
The highest temperature will be moderately higher than the average maximum of 66°F in October. The lowest temperature will be also relatively lower than the average low of 48.9°F.
On Monday, in Glen Carbon, sunrise will be at 7:13 am and sunset at 6:16 pm (CDT).
In Glen Carbon, the length of the day tomorrow will be 11h and 3min.
