Weather forecast for 10 daysCharleston, IL
Weather forecast for the weekend
Sunday Oct 18, 2026
- 66°F
- 37°F
Sunny
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 9mphS 170°
- Humidity: 49%
- UV index: 4
- Sunrise: 7:06 am CDT
- Sunset: 6:09 pm CDT
- details ▼
Tomorrow, on Sunday, bright and sunny weather is expected.
The day will see a remarkable high of a comfortable 66.2°F, sharply contrasting with a low of a wintry 37.4°F.
Tomorrow, the forecasted high will correspond with the regular October temperature of 63.9°F.
Sunrise will be at 7:06 am and sunset at 6:09 pm; tomorrow's daylight will last for 11h and 4min.
The day will see a remarkable high of a comfortable 66.2°F, sharply contrasting with a low of a wintry 37.4°F.
Tomorrow, the forecasted high will correspond with the regular October temperature of 63.9°F.
Sunrise will be at 7:06 am and sunset at 6:09 pm; tomorrow's daylight will last for 11h and 4min.
10-day overview
Daily temperatures
Warmest day: Sunday 25.10. 79°C.
Coldest day: tomorrow 66°C.
Coldest day: tomorrow 66°C.
Chance of precipitation
Highest chance: 5%.
Long-term weather forecast
- Saturday
- Oct 17, 2026
- min.
- 36°F
Clear
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 5mphESE 123°
- Humidity: 66%
- UV index: 0
- Sunrise: 7:05 am CDT
- Sunset: 6:10 pm CDT
- details ▼
- Sunday
- Oct 18, 2026
- 66°F
- 37°F
Sunny
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 9mphS 170°
- Humidity: 49%
- UV index: 4
- Sunrise: 7:06 am CDT
- Sunset: 6:09 pm CDT
- details ▼
- Monday
- Oct 19, 2026
- 70°F
- 41°F
Mostly Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 4mphSE 146°
- Humidity: 48%
- UV index: 4
- Sunrise: 7:07 am CDT
- Sunset: 6:08 pm CDT
- details ▼
- Tuesday
- Oct 20, 2026
- 73°F
- 43°F
Partly Cloudy
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 4mphE 79°
- Humidity: 48%
- UV index: 4
- Sunrise: 7:08 am CDT
- Sunset: 6:06 pm CDT
- details ▼
- Wednesday
- Oct 21, 2026
- 75°F
- 41°F
Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 3mphE 98°
- Humidity: 48%
- UV index: 4
- Sunrise: 7:09 am CDT
- Sunset: 6:05 pm CDT
- details ▼
- Thursday
- Oct 22, 2026
- 75°F
- 45°F
Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 5mphNE 44°
- Humidity: 51%
- UV index: 4
- Sunrise: 7:10 am CDT
- Sunset: 6:03 pm CDT
- details ▼
- Friday
- Oct 23, 2026
- 75°F
- 45°F
Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 7mphE 96°
- Humidity: 48%
- UV index: 4
- Sunrise: 7:11 am CDT
- Sunset: 6:02 pm CDT
- details ▼
- Saturday
- Oct 24, 2026
- 77°F
- 45°F
Partly Cloudy
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 7mphSE 128°
- Humidity: 49%
- UV index: 4
- Sunrise: 7:12 am CDT
- Sunset: 6:01 pm CDT
- details ▼
- Sunday
- Oct 25, 2026
- 79°F
- 50°F
Partly Cloudy
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 6mphS 185°
- Humidity: 48%
- UV index: 4
- Sunrise: 7:13 am CDT
- Sunset: 5:59 pm CDT
- details ▼
- Monday
- Oct 26, 2026
- 77°F
- 46°F
Partly Cloudy
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 7mphNE 54°
- Humidity: 50%
- UV index: 4
- Sunrise: 7:14 am CDT
- Sunset: 5:58 pm CDT
- details ▼
Ten-day trends indicate that a combination of sunny and overcast weather is forecasted.
Rain is not expected in Charleston in the upcoming period.
Temperature variation will be noticeable in the upcoming days. Forecast highs will fluctuate between 66.2°F and 78.8°F, while there will be also a marked difference in overnight low temperatures, as temperatures overnight will fluctuate from 35.6°F up to 50°F.
The warmest day will be next Sunday, with a maximum of 78.8°F; expect the coldest day on Sunday with a high of 66.2°F.
Rain is not expected in Charleston in the upcoming period.
Temperature variation will be noticeable in the upcoming days. Forecast highs will fluctuate between 66.2°F and 78.8°F, while there will be also a marked difference in overnight low temperatures, as temperatures overnight will fluctuate from 35.6°F up to 50°F.
The warmest day will be next Sunday, with a maximum of 78.8°F; expect the coldest day on Sunday with a high of 66.2°F.
Updated: Oct 17, 2026 @ 21:04:12 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
Tomorrow, sunny and dry conditions are anticipated.
Tomorrow, the maximum temperature will be 66.2°F, while the minimum temperature will be 37.4°F.
The maximum temperature tomorrow will be in line with the average highest temperature in October. The lowest temperature tomorrow will be uncommonly lower than the average low of 48.2°F.
The maximum temperature tomorrow will be in line with the average highest temperature in October. The lowest temperature tomorrow will be uncommonly lower than the average low of 48.2°F.
On Sunday, in Charleston, sunrise will be at 7:06 am and sunset at 6:09 pm (CDT).
Tomorrow, the daylight will last for 11h and 4min.
