Weather forecast for tomorrowCastleton, IL
Weather forecast for tomorrow
Sunday Oct 18, 2026
- 64°F
- 37°F
Sunny
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 12mphSSW 194°
- Humidity: 52%
- UV index: 4
- Sunrise: 7:14 am CDT
- Sunset: 6:13 pm CDT
- details ▼
On Sunday, in Castleton, the outlook remains bright and sunny.
Significant temperature fluctuations from a high of an enjoyable 64.4°F to a low of a cold 37.4°F are predicted.
Forecasts show the temperature expected to reach the usual October high of 61.7°F.
Sunrise will be at 7:14 am and sunset at 6:13 pm; tomorrow's daylight will last for 11h and 0min.
Significant temperature fluctuations from a high of an enjoyable 64.4°F to a low of a cold 37.4°F are predicted.
Forecasts show the temperature expected to reach the usual October high of 61.7°F.
Sunrise will be at 7:14 am and sunset at 6:13 pm; tomorrow's daylight will last for 11h and 0min.
Hourly overview
Hourly temperatures
Warmest hour: 3 pm 63°C.
Coldest period: 3 am - 6 am 39°C.
Coldest period: 3 am - 6 am 39°C.
Chance of precipitation
Highest chance: 6 am 4%.
Hourly weather forecast
- 12 am
- 41°F
- Feels like:37°F
Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 4mphS 186°
- Humidity: 74%
- Pressure: 30.45"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 2 am
- 39°F
- Feels like:36°F
Clear
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 5mphS 190°
- Humidity: 79%
- Pressure: 30.45"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 4 am
- 39°F
- Feels like:36°F
Clear
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 6mphS 188°
- Humidity: 80%
- Pressure: 30.45"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 am
- 39°F
- Feels like:34°F
Clear
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 6mphS 187°
- Humidity: 82%
- Pressure: 30.45"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunrise: 7:14 am
- 8 am
- 41°F
- Feels like:36°F
Sunny
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 7mphS 190°
- Humidity: 80%
- Pressure: 30.45"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 am
- 50°F
- Feels like:46°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 11mphSSW 194°
- Humidity: 59%
- Pressure: 30.45"Hg
- Visibility: 10mi
- UV index: 2
- details ▼
- 12 pm
- 59°F
- Feels like:55°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 12mphSSW 198°
- Humidity: 45%
- Pressure: 30.42"Hg
- Visibility: 10mi
- UV index: 4
- details ▼
- 2 pm
- 61°F
- Feels like:61°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 12mphSSW 198°
- Humidity: 39%
- Pressure: 30.36"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 4 pm
- 63°F
- Feels like:61°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 11mphSSW 192°
- Humidity: 37%
- Pressure: 30.33"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 6 pm
- 59°F
- Feels like:57°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 6mphS 180°
- Humidity: 45%
- Pressure: 30.33"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 6:13 pm
- 8 pm
- 50°F
- Feels like:48°F
Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 5mphS 174°
- Humidity: 61%
- Pressure: 30.33"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 48°F
- Feels like:45°F
Clear
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 6mphS 177°
- Humidity: 68%
- Pressure: 30.36"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Tomorrow, a cloudless sky and mainly sunshiny weather are expected.
The temperature will vary between the lowest temperature of 39.2°F and the highest temperature of 62.6°F. The warmest part of the day will be at 3 pm and 4 pm.
Tomorrow, the temperature is forecasted to be in line with the usual maximum for October. The expected low will be more alike with what’s common in November than the current October average of 45.9°F.
The temperature will vary between the lowest temperature of 39.2°F and the highest temperature of 62.6°F. The warmest part of the day will be at 3 pm and 4 pm.
Tomorrow, the temperature is forecasted to be in line with the usual maximum for October. The expected low will be more alike with what’s common in November than the current October average of 45.9°F.
Updated: Oct 17, 2026 @ 22:53:14 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 Sunday, in Castleton, expect sunny weather with a crisp, clear sky.
Tomorrow, the maximum temperature will be 64.4°F, while the minimum temperature will be 37.4°F.
The maximum temperature will be in line with the average highest temperature of 61.7°F in October. Tomorrow, the lowest temperature will be moderately lower than the average low temperature.
The maximum temperature will be in line with the average highest temperature of 61.7°F in October. Tomorrow, the lowest temperature will be moderately lower than the average low temperature.
On Sunday, in Castleton, sunrise will be at 7:14 am and sunset at 6:13 pm (CDT).
Tomorrow, the daylight will last for 11h and 0min.
