Weather forecast for todayCastle Junction, IL

Weather forecast for today

Current condition 9:45 am CDT

  • 43°F
  • Feels like:
    43°F
Sunny
Sunny
  • Precipitation: 0"
  • Wind: 1mphS 180°
  • Humidity: 76%
  • Dewpoint: 36°F
  • Pressure: 30.58"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
At the moment, in Castle Junction, a calm and sunny day is perfect for outdoor activities.
The temperature is a chilly 42.8°F. The current temperature is near the lowest expected 39.2°F for today.

Saturday Oct 17, 2026

  • 57°F
  • 39°F
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 7mphSW 215°
  • Humidity: 48%
  • UV index: 4
  • Sunrise: 7:16 am CDT
  • Sunset: 6:18 pm CDT
  • ▼
On Saturday, in Castle Junction, sunshine will likely continue with scattered clouds at most.
The highest anticipated temperature is a refreshing 57.2°F, while the lowest temperature will be a wintry 39.2°F.
Today's highest temperature will be moderately lower than the average October maximum of 61.5°F.
Sunrise was at 7:16 am and sunset will be at 6:18 pm; the daylight will last for 11h and 2min.

Hourly overview

Hourly temperatures

Warmest period: 2 pm - 4 pm 55°C.
Coldest period: 10 pm - 12 am 43°C.

Chance of precipitation

Highest chance: 12 am 2%.

Hourly weather forecast

  • 10 am
  • 45°F
  • Feels like:
    45°F
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 1mphSSW 206°
  • Humidity: 70%
  • Pressure: 30.56"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 11 am
  • 48°F
  • Feels like:
    46°F
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 3mphSSW 211°
  • Humidity: 61%
  • Pressure: 30.56"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
  • 12 pm
  • 50°F
  • Feels like:
    50°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 5mphSW 222°
  • Humidity: 51%
  • Pressure: 30.53"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
  • 1 pm
  • 54°F
  • Feels like:
    52°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 6mphSW 222°
  • Humidity: 43%
  • Pressure: 30.5"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
  • 2 pm
  • 55°F
  • Feels like:
    54°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 7mphSW 226°
  • Humidity: 40%
  • Pressure: 30.47"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
  • 3 pm
  • 55°F
  • Feels like:
    54°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 7mphSW 218°
  • Humidity: 39%
  • Pressure: 30.45"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 4 pm
  • 55°F
  • Feels like:
    54°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 7mphSW 214°
  • Humidity: 39%
  • Pressure: 30.45"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 5 pm
  • 55°F
  • Feels like:
    52°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 7mphSSW 208°
  • Humidity: 43%
  • Pressure: 30.42"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 6 pm
  • 52°F
  • Feels like:
    50°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 6mphSSW 196°
  • Humidity: 50%
  • Pressure: 30.42"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 6:18 pm
  • 7 pm
  • 48°F
  • Feels like:
    46°F
Clear
Clear
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 6mphS 190°
  • Humidity: 57%
  • Pressure: 30.42"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 8 pm
  • 46°F
  • Feels like:
    43°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 5mphS 190°
  • Humidity: 64%
  • Pressure: 30.42"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 9 pm
  • 45°F
  • Feels like:
    41°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 6mphS 188°
  • Humidity: 68%
  • Pressure: 30.42"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 43°F
  • Feels like:
    39°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 6mphS 187°
  • Humidity: 72%
  • Pressure: 30.42"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 11 pm
  • 43°F
  • Feels like:
    37°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 7mphS 185°
  • Humidity: 73%
  • Pressure: 30.42"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Today, in Castle Junction, a cloudless sky and mainly sunshiny weather are expected.
The temperature will be between the lowest temperature of 42.8°F and the highest temperature of 55.4°F. The warmest part of the day will be from 2 pm to 5 pm.
The highest temperature will be a couple of degrees lower than October's average maximum of 61.5°F. Today, the temperature is expected to be also a couple of degrees lower than October's normal minimum of 45.1°F.
Updated: Oct 17, 2026 @ 14:45:04 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

At 9:45 am CDT, the temperature is 42.8°F.

On Saturday, sunny and dry conditions are anticipated.

Today, the highest temperature in Castle Junction, Illinois, will be 57.2°F, while the lowest temperature will be 39.2°F.
Today, the maximum temperature will be a few degrees lower than the average highest temperature in October. Today, the lowest temperature will be also a few degrees lower than the average low temperature.

On Saturday, in Castle Junction, sunrise was at 7:16 am and sunset will be at 6:18 pm (CDT).

Today, the daylight will last for 11h and 2min.