Weather forecast for tomorrowGurnee, IL

Weather forecast for tomorrow

Sunday Oct 18, 2026

  • 63°F
  • 41°F
Sunny
Sunny
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 16mphSSW 210°
  • Humidity: 53%
  • UV index: 4
  • Sunrise: 7:08 am CDT
  • Sunset: 6:05 pm CDT
  • ▼
On Sunday, October 18, bright and sunny weather is expected.
The temperature will fluctuate from a high of a breezy 62.6°F to a low of a cold 41°F.
Tomorrow, the maximum temperature is anticipated to be slightly warmer than October's climate norm of 58.3°F.
Sunrise will be at 7:08 am and sunset at 6:05 pm; tomorrow's daylight will last for 10h and 57min.

Hourly overview

Hourly temperatures

Warmest hour: 3 pm 61°C.
Coldest hour: 6 am 41°C.

Chance of precipitation

Highest chance: 6 am 4%.

Hourly weather forecast

  • 12 am
  • 52°F
  • Feels like:
    48°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 8mphSSW 213°
  • Humidity: 54%
  • Pressure: 30.42"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 2 am
  • 43°F
  • Feels like:
    37°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 8mphSSW 212°
  • Humidity: 74%
  • Pressure: 30.42"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 4 am
  • 41°F
  • Feels like:
    37°F
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 7mphSSW 214°
  • Humidity: 79%
  • Pressure: 30.42"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 6 am
  • 41°F
  • Feels like:
    36°F
Clear
Clear
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 8mphSSW 212°
  • Humidity: 77%
  • Pressure: 30.42"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunrise: 7:08 am
  • 8 am
  • 43°F
  • Feels like:
    37°F
Sunny
Sunny
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 9mphSSW 212°
  • Humidity: 75%
  • Pressure: 30.45"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 am
  • 52°F
  • Feels like:
    48°F
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 12mphSSW 212°
  • Humidity: 57%
  • Pressure: 30.42"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 12 pm
  • 57°F
  • Feels like:
    55°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 14mphSSW 213°
  • Humidity: 48%
  • Pressure: 30.39"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
  • 2 pm
  • 61°F
  • Feels like:
    59°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 15mphSSW 208°
  • Humidity: 43%
  • Pressure: 30.36"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
  • 4 pm
  • 61°F
  • Feels like:
    59°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 14mphSSW 204°
  • Humidity: 41%
  • Pressure: 30.33"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 6 pm
  • 57°F
  • Feels like:
    55°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 9mphSSW 200°
  • Humidity: 50%
  • Pressure: 30.33"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 6:05 pm
  • 8 pm
  • 52°F
  • Feels like:
    50°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 8mphSSW 198°
  • Humidity: 62%
  • Pressure: 30.33"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 50°F
  • Feels like:
    46°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 7mphSSW 207°
  • Humidity: 69%
  • Pressure: 30.36"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Tomorrow, bright and mostly sunny weather is expected.
The temperature will vary between the lowest temperature of 41°F and the highest temperature of 60.8°F. The warmest part of the day will be from 2 pm to 5 pm.
Tomorrow, the maximum will be slightly warmer than the average high for October. Tomorrow, the nighttime low will be also moderately lower than October's typical minimum of 46.9°F.
Updated: Oct 18, 2026 @ 03:46:07 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

On Sunday, in Gurnee, clear skies and sunshine are anticipated.

Tomorrow, the highest temperature will be 62.6°F, while the lowest temperature will be 41°F.
Tomorrow, the maximum temperature will be a few degrees higher than the average highest temperature in October. The lowest temperature tomorrow will be also slightly cooler than the average low temperature.

On Sunday, in Gurnee, sunrise will be at 7:08 am and sunset at 6:05 pm (CDT).

Tomorrow, the daylight will last for 10h and 57min.