Weather forecast for tomorrowBrighton, IL

Weather forecast for tomorrow

Sunday Oct 18, 2026

  • 64°F
  • 37°F
Sunny
Sunny
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 9mphSSE 166°
  • Humidity: 50%
  • UV index: 5
  • Sunrise: 7:13 am CDT
  • Sunset: 6:17 pm CDT
  • ▼
On Sunday, October 18, sunny conditions are expected to continue.
Significant temperature fluctuations from a high of a breezy 64.4°F to a low of a cold 37.4°F are forecasted.
The expected maximum temperature will closely reflect October's average high of 65.3°F.
Sunrise will be at 7:13 am and sunset at 6:17 pm; tomorrow's daylight will last for 11h and 4min.

Hourly overview

Hourly temperatures

Warmest hour: 3 pm 64°C.
Coldest hour: 6 am 37°C.

Chance of precipitation

Highest chance: 6 am 4%.

Hourly weather forecast

  • 12 am
  • 41°F
  • Feels like:
    41°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 2mphSE 130°
  • Humidity: 81%
  • Pressure: 30.45"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 2 am
  • 41°F
  • Feels like:
    37°F
Clear
Clear
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 4mphSE 144°
  • Humidity: 81%
  • Pressure: 30.47"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 4 am
  • 39°F
  • Feels like:
    36°F
Clear
Clear
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 4mphSE 145°
  • Humidity: 83%
  • Pressure: 30.47"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 6 am
  • 37°F
  • Feels like:
    36°F
Clear
Clear
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 3mphSSE 152°
  • Humidity: 85%
  • Pressure: 30.47"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunrise: 7:13 am
  • 8 am
  • 39°F
  • Feels like:
    36°F
Sunny
Sunny
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 4mphSSE 149°
  • Humidity: 84%
  • Pressure: 30.5"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 am
  • 52°F
  • Feels like:
    48°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 8mphSSE 168°
  • Humidity: 55%
  • Pressure: 30.5"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 12 pm
  • 59°F
  • Feels like:
    57°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 9mphS 178°
  • Humidity: 41%
  • Pressure: 30.45"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
  • 2 pm
  • 63°F
  • Feels like:
    61°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 9mphS 175°
  • Humidity: 36%
  • Pressure: 30.39"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
  • 4 pm
  • 64°F
  • Feels like:
    63°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 9mphSSE 168°
  • Humidity: 34%
  • Pressure: 30.36"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 6 pm
  • 59°F
  • Feels like:
    59°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 6mphSSE 154°
  • Humidity: 42%
  • Pressure: 30.36"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 6:17 pm
  • 8 pm
  • 52°F
  • Feels like:
    50°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 5mphSE 135°
  • Humidity: 64%
  • Pressure: 30.36"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 48°F
  • Feels like:
    45°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 5mphSE 146°
  • Humidity: 73%
  • Pressure: 30.36"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Tomorrow, on Sunday, bright and mostly sunny weather is expected.
The temperature will vary between the lowest temperature of 37.4°F and the highest temperature of 64.4°F. The warmest part of the day will be at 3 pm and 4 pm.
The high temperature is expected to be comparable to October's usual value of 65.3°F. The lowest temperature is more alike with November's average minimum of 36.7°F than the usual minimum of 48.2°F in October.
Updated: Oct 17, 2026 @ 22:33:46 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

On Sunday, in Brighton, sunny conditions are expected to continue.

Tomorrow, the highest temperature in Brighton will be 64.4°F, while the lowest temperature will be 37.4°F.
Tomorrow, the maximum temperature will be in line with the average highest temperature in October. The lowest temperature tomorrow will be uncommonly lower than the average low of 48.2°F.

On Sunday, in Brighton, sunrise will be at 7:13 am and sunset at 6:17 pm (CDT).

Tomorrow, the daylight will last for 11h and 4min.