Weather forecast for tomorrowCastle Junction, IL
Weather forecast for tomorrow
Sunday Oct 18, 2026
- 66°F
- 39°F
Sunny
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 14mphSSW 195°
- Humidity: 54%
- UV index: 4
- Sunrise: 7:17 am CDT
- Sunset: 6:16 pm CDT
- details ▼
Tomorrow, uninterrupted sunshine is anticipated.
Substantial temperature fluctuations from a high of a breezy 66.2°F to a low of a cold 39.2°F are expected.
Tomorrow's high is expected to be relatively higher than the average high in October of 61.5°F.
Sunrise will be at 7:17 am and sunset at 6:16 pm; tomorrow's daylight will last for 10h and 59min.
Substantial temperature fluctuations from a high of a breezy 66.2°F to a low of a cold 39.2°F are expected.
Tomorrow's high is expected to be relatively higher than the average high in October of 61.5°F.
Sunrise will be at 7:17 am and sunset at 6:16 pm; tomorrow's daylight will last for 10h and 59min.
Hourly overview
Hourly temperatures
Warmest hour: 3 pm 64°C.
Coldest hour: 6 am 39°C.
Coldest hour: 6 am 39°C.
Chance of precipitation
Highest chance: 6 am 3%.
Hourly weather forecast
- 12 am
- 43°F
- Feels like:37°F
Clear
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 7mphS 187°
- Humidity: 72%
- Pressure: 30.42"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 2 am
- 41°F
- Feels like:37°F
Clear
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 7mphSSW 193°
- Humidity: 72%
- Pressure: 30.42"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 4 am
- 41°F
- Feels like:36°F
Clear
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 7mphSSW 191°
- Humidity: 76%
- Pressure: 30.42"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 am
- 39°F
- Feels like:36°F
Clear
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 7mphSSW 191°
- Humidity: 78%
- Pressure: 30.42"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunrise: 7:17 am
- 8 am
- 43°F
- Feels like:37°F
Sunny
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 8mphSSW 193°
- Humidity: 76%
- Pressure: 30.42"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 am
- 52°F
- Feels like:48°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 12mphSSW 196°
- Humidity: 59%
- Pressure: 30.42"Hg
- Visibility: 10mi
- UV index: 2
- details ▼
- 12 pm
- 59°F
- Feels like:57°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 13mphSSW 201°
- Humidity: 47%
- Pressure: 30.39"Hg
- Visibility: 10mi
- UV index: 4
- details ▼
- 2 pm
- 64°F
- Feels like:63°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 14mphSSW 201°
- Humidity: 43%
- Pressure: 30.33"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 4 pm
- 64°F
- Feels like:63°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 12mphSSW 194°
- Humidity: 43%
- Pressure: 30.3"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 6 pm
- 61°F
- Feels like:59°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 9mphS 180°
- Humidity: 49%
- Pressure: 30.3"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 6:16 pm
- 8 pm
- 54°F
- Feels like:50°F
Clear
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 7mphS 175°
- Humidity: 65%
- Pressure: 30.33"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 50°F
- Feels like:46°F
Clear
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 7mphS 181°
- Humidity: 68%
- Pressure: 30.33"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Tomorrow, mainly sunny weather and a cloudless sky are anticipated.
The temperature will vary between the lowest temperature of 39.2°F and the highest temperature of 64.4°F. The warmest part of the day will be from 2 pm to 4 pm.
Tomorrow, the maximum will be a few degrees higher than the average high for October. Tomorrow, expect the temperature to dip to a level also relatively lower than the average October low.
The temperature will vary between the lowest temperature of 39.2°F and the highest temperature of 64.4°F. The warmest part of the day will be from 2 pm to 4 pm.
Tomorrow, the maximum will be a few degrees higher than the average high for October. Tomorrow, expect the temperature to dip to a level also relatively lower than the average October low.
Updated: Oct 17, 2026 @ 17:09:55 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, sunshine is expected with little to no cloud cover.
Tomorrow, the highest temperature in Castle Junction, Illinois, will be 66.2°F, while the lowest temperature will be 39.2°F.
The highest temperature tomorrow will be slightly warmer than the average maximum temperature in October. The lowest temperature tomorrow will be also moderately lower than the average low temperature.
The highest temperature tomorrow will be slightly warmer than the average maximum temperature in October. The lowest temperature tomorrow will be also moderately lower than the average low temperature.
On Sunday, in Castle Junction, sunrise will be at 7:17 am and sunset at 6:16 pm (CDT).
In Castle Junction, tomorrow, there will be 10h and 59min of daylight.
