Weather forecast for tomorrowBoulder Hill, IL

Weather forecast for tomorrow

Sunday Oct 18, 2026

  • 64°F
  • 37°F
Sunny
Sunny
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 14mphSSW 199°
  • Humidity: 51%
  • UV index: 4
  • Sunrise: 7:09 am CDT
  • Sunset: 6:07 pm CDT
  • ▼
Tomorrow, on Sunday, clear and sunny conditions are also expected.
Temperature values will vary noticeably, extending from an enjoyable 64.4°F to a cold 37.4°F.
Expect temperatures to reach October's average high of 60.8°F.
Sunrise will be at 7:09 am and sunset at 6:07 pm; tomorrow's daylight will last for 10h and 58min.

Hourly overview

Hourly temperatures

Warmest hour: 3 pm 63°C.
Coldest hour: 6 am 37°C.

Chance of precipitation

Highest chance: 6 am 5%.

Hourly weather forecast

  • 12 am
  • 41°F
  • Feels like:
    37°F
Clear
Clear
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 4mphSSW 193°
  • Humidity: 79%
  • Pressure: 30.45"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 2 am
  • 39°F
  • Feels like:
    36°F
Clear
Clear
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 5mphSSW 196°
  • Humidity: 84%
  • Pressure: 30.45"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 4 am
  • 39°F
  • Feels like:
    34°F
Clear
Clear
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 6mphSSW 196°
  • Humidity: 85%
  • Pressure: 30.45"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 6 am
  • 37°F
  • Feels like:
    34°F
Clear
Clear
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 6mphSSW 196°
  • Humidity: 85%
  • Pressure: 30.45"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunrise: 7:09 am
  • 8 am
  • 41°F
  • Feels like:
    36°F
Sunny
Sunny
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 6mphSSW 194°
  • Humidity: 81%
  • Pressure: 30.47"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 am
  • 52°F
  • Feels like:
    48°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 11mphSSW 202°
  • Humidity: 55%
  • Pressure: 30.47"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 12 pm
  • 59°F
  • Feels like:
    55°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 13mphSSW 204°
  • Humidity: 43%
  • Pressure: 30.42"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
  • 2 pm
  • 63°F
  • Feels like:
    61°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 14mphSSW 203°
  • Humidity: 39%
  • Pressure: 30.39"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
  • 4 pm
  • 63°F
  • Feels like:
    61°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 12mphSSW 200°
  • Humidity: 37%
  • Pressure: 30.36"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 6 pm
  • 57°F
  • Feels like:
    55°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 7mphS 184°
  • Humidity: 45%
  • Pressure: 30.36"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 6:07 pm
  • 8 pm
  • 52°F
  • Feels like:
    50°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 6mphS 183°
  • Humidity: 57%
  • Pressure: 30.36"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 48°F
  • Feels like:
    46°F
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 6mphS 188°
  • Humidity: 66%
  • Pressure: 30.36"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Tomorrow, on Sunday, sunny conditions are likely to prevail.
The temperature will be between the lowest temperature of 37.4°F and the highest temperature of 62.6°F. The warmest part of the day will be from 2 pm to 4 pm.
The highest temperature will be close to October's average maximum of 60.8°F. The lowest temperature tomorrow is more alike with November's average minimum of 33.3°F than the average low in October of 45.1°F.
Updated: Oct 17, 2026 @ 20:20:45 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Tomorrow, in Boulder Hill, the outlook remains bright and sunny.

Tomorrow, the maximum temperature will be 64.4°F, while the minimum temperature will be 37.4°F.
The highest temperature tomorrow will be in line with the average maximum temperature in October. The lowest temperature will be a few degrees lower than the average low of 45.1°F.

On Sunday, in Boulder Hill, sunrise will be at 7:09 am and sunset at 6:07 pm (CDT).

Tomorrow, the daylight will last for 10h and 58min.