Weather forecast for tomorrowCastleton, IL
Weather forecast for tomorrow
Wednesday Oct 21, 2026
- 73°F
- 46°F
Sunny
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 4mphSSW 211°
- Humidity: 54%
- UV index: 4
- Sunrise: 7:17 am CDT
- Sunset: 6:09 pm CDT
- details ▼
Tomorrow, skies will stay clear and sunny.
A stark contrast will be evident between the daytime peak temperature of a temperate 73.4°F and the nighttime low of a chilly 46.4°F.
With a forecast of 73.4°F, conditions deviate from October's average and instead resemble September's climate trend.
Sunrise will be at 7:17 am and sunset at 6:09 pm; tomorrow's daylight will last for 10h and 52min.
A stark contrast will be evident between the daytime peak temperature of a temperate 73.4°F and the nighttime low of a chilly 46.4°F.
With a forecast of 73.4°F, conditions deviate from October's average and instead resemble September's climate trend.
Sunrise will be at 7:17 am and sunset at 6:09 pm; tomorrow's daylight will last for 10h and 52min.
Hourly overview
Hourly temperatures
Warmest hour: 3 pm 73°C.
Coldest hour: 6 am 43°C.
Coldest hour: 6 am 43°C.
Chance of precipitation
Highest chance: 6 am 4%.
Hourly weather forecast
- 12 am
- 48°F
- Feels like:48°F
Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 2mphSE 125°
- Humidity: 79%
- Pressure: 30.27"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 2 am
- 46°F
- Feels like:46°F
Clear
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 1mphSE 142°
- Humidity: 84%
- Pressure: 30.27"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 4 am
- 45°F
- Feels like:45°F
Clear
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 1mphSSE 166°
- Humidity: 87%
- Pressure: 30.27"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 am
- 43°F
- Feels like:43°F
Clear
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 1mphSSE 164°
- Humidity: 87%
- Pressure: 30.27"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunrise: 7:17 am
- 8 am
- 45°F
- Feels like:45°F
Sunny
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 1mphS 184°
- Humidity: 85%
- Pressure: 30.27"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 am
- 59°F
- Feels like:59°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 2mphSSW 201°
- Humidity: 61%
- Pressure: 30.27"Hg
- Visibility: 10mi
- UV index: 2
- details ▼
- 12 pm
- 68°F
- Feels like:68°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 4mphSSW 211°
- Humidity: 45%
- Pressure: 30.24"Hg
- Visibility: 10mi
- UV index: 4
- details ▼
- 2 pm
- 72°F
- Feels like:72°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 4mphSW 225°
- Humidity: 38%
- Pressure: 30.21"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 4 pm
- 72°F
- Feels like:72°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 3mphSW 229°
- Humidity: 37%
- Pressure: 30.18"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 6 pm
- 66°F
- Feels like:66°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 1mphSW 219°
- Humidity: 48%
- Pressure: 30.18"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 6:09 pm
- 8 pm
- 59°F
- Feels like:59°F
Clear
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 1mphSW 215°
- Humidity: 65%
- Pressure: 30.21"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 54°F
- Feels like:54°F
Clear
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 0mphWSW 236°
- Humidity: 76%
- Pressure: 30.21"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Tomorrow, sunshine is expected.
The temperature will be between a minimum of 42.8°F and a maximum of 73.4°F. The warmest part of the day is expected around 3 pm.
The maximum temperature will align more closely with September's average high of 75.7°F than with October's 61.7°F. The temperature low is forecasted to be close to the usual October value of 45.9°F.
The temperature will be between a minimum of 42.8°F and a maximum of 73.4°F. The warmest part of the day is expected around 3 pm.
The maximum temperature will align more closely with September's average high of 75.7°F than with October's 61.7°F. The temperature low is forecasted to be close to the usual October value of 45.9°F.
Updated: Oct 20, 2026 @ 22:23:40 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
On Wednesday, sunshine is forecasted under mostly clear skies.
Tomorrow, the maximum temperature will be 73.4°F, while the minimum temperature will be 46.4°F.
The highest temperature will be notably higher than the average maximum of 61.7°F in October. The lowest temperature will be in line with the average low of 45.9°F.
The highest temperature will be notably higher than the average maximum of 61.7°F in October. The lowest temperature will be in line with the average low of 45.9°F.
On Wednesday, in Castleton, sunrise will be at 7:17 am and sunset at 6:09 pm (CDT).
In Castleton, tomorrow, there will be 10h and 52min of daylight.
