Weather forecast for 10 daysCastleton, IL
Weather forecast for the weekend
Sunday Oct 18, 2026
- 64°F
- 37°F
Sunny
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 12mphSSW 193°
- Humidity: 53%
- UV index: 4
- Sunrise: 7:14 am CDT
- Sunset: 6:13 pm CDT
- details ▼
On Sunday, October 18, the weather remains calm, bright, and sunny.
The day will see a remarkable high of a comfortable 64.4°F, sharply contrasting with a low of a cold 37.4°F.
Today's high temperature will mirror the usual October maximum of 61.7°F.
Sunrise will be at 7:14 am and sunset at 6:13 pm; the daylight will last for 11h and 0min.
The day will see a remarkable high of a comfortable 64.4°F, sharply contrasting with a low of a cold 37.4°F.
Today's high temperature will mirror the usual October maximum of 61.7°F.
Sunrise will be at 7:14 am and sunset at 6:13 pm; the daylight will last for 11h and 0min.
10-day overview
Daily temperatures
Maximum temperature: 75°C.
Coldest day: today 64°C.
Coldest day: today 64°C.
Chance of precipitation
Highest chance: Friday 18%.
Long-term weather forecast
- Sunday
- Oct 18, 2026
- 64°F
- 37°F
Sunny
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 12mphSSW 193°
- Humidity: 53%
- UV index: 4
- Sunrise: 7:14 am CDT
- Sunset: 6:13 pm CDT
- details ▼
- Monday
- Oct 19, 2026
- 68°F
- 39°F
Mostly Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 4mphS 176°
- Humidity: 54%
- UV index: 4
- Sunrise: 7:15 am CDT
- Sunset: 6:12 pm CDT
- details ▼
- Tuesday
- Oct 20, 2026
- 72°F
- 41°F
Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 4mphESE 117°
- Humidity: 52%
- UV index: 4
- Sunrise: 7:16 am CDT
- Sunset: 6:10 pm CDT
- details ▼
- Wednesday
- Oct 21, 2026
- 73°F
- 45°F
Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 2mphS 178°
- Humidity: 55%
- UV index: 4
- Sunrise: 7:17 am CDT
- Sunset: 6:09 pm CDT
- details ▼
- Thursday
- Oct 22, 2026
- 75°F
- 43°F
Mostly Sunny
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 3mphESE 110°
- Humidity: 55%
- UV index: 4
- Sunrise: 7:18 am CDT
- Sunset: 6:07 pm CDT
- details ▼
- Friday
- Oct 23, 2026
- 73°F
- 46°F
Partly Cloudy
- Precip. probability: 18%
- Precipitation: 0"
- Wind: 7mphSE 131°
- Humidity: 57%
- UV index: 4
- Sunrise: 7:19 am CDT
- Sunset: 6:06 pm CDT
- details ▼
- Saturday
- Oct 24, 2026
- 75°F
- 50°F
Partly Cloudy
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 9mphSSE 157°
- Humidity: 51%
- UV index: 3
- Sunrise: 7:20 am CDT
- Sunset: 6:05 pm CDT
- details ▼
- Sunday
- Oct 25, 2026
- 75°F
- 50°F
Partly Cloudy
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 6mphSSW 197°
- Humidity: 51%
- UV index: 3
- Sunrise: 7:21 am CDT
- Sunset: 6:03 pm CDT
- details ▼
- Monday
- Oct 26, 2026
- 73°F
- 50°F
Partly Cloudy
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 6mphSSE 165°
- Humidity: 53%
- UV index: 3
- Sunrise: 7:23 am CDT
- Sunset: 6:02 pm CDT
- details ▼
- Tuesday
- Oct 27, 2026
- 70°F
- 50°F
Partly Cloudy
- Precip. probability: 13%
- Precipitation: 0"
- Wind: 7mphSE 124°
- Humidity: 61%
- UV index: 3
- Sunrise: 7:24 am CDT
- Sunset: 6:01 pm CDT
- details ▼
Conditions over the next ten days suggest that a combination of mostly clear and dull weather is anticipated.
Rain is not forecasted in Castleton in the upcoming period.
In the coming days, the highest temperature will vary between 64.4°F and 75.2°F, while the fluctuation in night temperatures will be significant, as the overnight lows will vary from 37.4°F to 50°F.
Thursday, Saturday and next Sunday, with the highest temperature of 75.2°F, will be the warmest days; today is the coldest day, with a maximum temperature of 64.4°F.
Rain is not forecasted in Castleton in the upcoming period.
In the coming days, the highest temperature will vary between 64.4°F and 75.2°F, while the fluctuation in night temperatures will be significant, as the overnight lows will vary from 37.4°F to 50°F.
Thursday, Saturday and next Sunday, with the highest temperature of 75.2°F, will be the warmest days; today is the coldest day, with a maximum temperature of 64.4°F.
Updated: Oct 18, 2026 @ 11:38:01 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
Today, sunshine will likely continue with scattered clouds at most.
Today, the highest temperature will be 64.4°F, while the lowest temperature will be 37.4°F.
The highest temperature will be in line with the average maximum of 61.7°F in October. The lowest temperature will be relatively lower than the average low of 45.9°F.
The highest temperature will be in line with the average maximum of 61.7°F in October. The lowest temperature will be relatively lower than the average low of 45.9°F.
On Sunday, in Castleton, sunrise will be at 7:14 am and sunset at 6:13 pm (CDT).
In Castleton, the length of the day today will be 11h and 0min.
