Weather forecast for 10 daysIsland Lake, IL

Weather forecast for the weekend

Sunday Oct 18, 2026

  • 63°F
  • 39°F
Sunny
Sunny
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 15mphSSW 207°
  • Humidity: 56%
  • UV index: 4
  • Sunrise: 7:09 am CDT
  • Sunset: 6:06 pm CDT
  • ▼
Today, sunshine is expected with little to no cloud cover.
The maximum temperature will be a comfortable 62.6°F, while the minimum temperature will be a cold 39.2°F.
The maximum temperature will align with October's usual high of 59°F.
Sunrise will be at 7:09 am and sunset at 6:06 pm; the daylight will last for 10h and 57min.

10-day overview

Daily temperatures

Maximum temperature: 73°C.
Coldest day: today 63°C.

Chance of precipitation

Highest chance: Tuesday 27.10. 20%.

Long-term weather forecast

  • Sunday
  • Oct 18, 2026
  • 63°F
  • 39°F
Sunny
Sunny
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 15mphSSW 207°
  • Humidity: 56%
  • UV index: 4
  • Sunrise: 7:09 am CDT
  • Sunset: 6:06 pm CDT
  • ▼
  • Monday
  • Oct 19, 2026
  • 68°F
  • 39°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 8%
  • Precipitation: 0"
  • Wind: 4mphSSW 200°
  • Humidity: 57%
  • UV index: 4
  • Sunrise: 7:10 am CDT
  • Sunset: 6:04 pm CDT
  • ▼
  • Tuesday
  • Oct 20, 2026
  • 70°F
  • 41°F
Sunny
Sunny
  • Precip. probability: 7%
  • Precipitation: 0"
  • Wind: 6mphE 93°
  • Humidity: 61%
  • UV index: 4
  • Sunrise: 7:11 am CDT
  • Sunset: 6:03 pm CDT
  • ▼
  • Wednesday
  • Oct 21, 2026
  • 72°F
  • 45°F
Sunny
Sunny
  • Precip. probability: 7%
  • Precipitation: 0"
  • Wind: 4mphSSW 201°
  • Humidity: 59%
  • UV index: 4
  • Sunrise: 7:12 am CDT
  • Sunset: 6:01 pm CDT
  • ▼
  • Thursday
  • Oct 22, 2026
  • 73°F
  • 45°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 5mphENE 58°
  • Humidity: 61%
  • UV index: 3
  • Sunrise: 7:14 am CDT
  • Sunset: 6:00 pm CDT
  • ▼
  • Friday
  • Oct 23, 2026
  • 70°F
  • 45°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 7mphSE 132°
  • Humidity: 63%
  • UV index: 3
  • Sunrise: 7:15 am CDT
  • Sunset: 5:58 pm CDT
  • ▼
  • Saturday
  • Oct 24, 2026
  • 70°F
  • 50°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 8mphSSE 159°
  • Humidity: 58%
  • UV index: 3
  • Sunrise: 7:16 am CDT
  • Sunset: 5:57 pm CDT
  • ▼
  • Sunday
  • Oct 25, 2026
  • 73°F
  • 50°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 7mphSSW 205°
  • Humidity: 55%
  • UV index: 3
  • Sunrise: 7:17 am CDT
  • Sunset: 5:55 pm CDT
  • ▼
  • Monday
  • Oct 26, 2026
  • 68°F
  • 48°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 7mphNE 55°
  • Humidity: 60%
  • UV index: 3
  • Sunrise: 7:18 am CDT
  • Sunset: 5:54 pm CDT
  • ▼
  • Tuesday
  • Oct 27, 2026
  • 64°F
  • 50°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 20%
  • Precipitation: 0"
  • Wind: 7mphE 94°
  • Humidity: 73%
  • UV index: 2
  • Sunrise: 7:20 am CDT
  • Sunset: 5:53 pm CDT
  • ▼
Weather patterns suggest that a combination of gloomy and sunny weather is anticipated.
Rainfall is not expected in Island Lake in the upcoming days.
In the coming days, the highest temperature will range between 62.6°F and 73.4°F, while the minimum temperature is forecast to range between 39.2°F and 50°F.
With a maximum temperature of 73.4°F, Thursday and next Sunday will be the warmest days; today is the coldest day, with a maximum temperature of 62.6°F.
Updated: Oct 18, 2026 @ 09:48:30 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

On Sunday, clear and sunny conditions are expected.

Today, the maximum temperature will be 62.6°F, while the minimum temperature will be 39.2°F.
The maximum temperature today will be in line with the average highest temperature in October. The lowest temperature today will be moderately lower than the average low temperature.

On Sunday, in Island Lake, sunrise will be at 7:09 am and sunset at 6:06 pm (CDT).

In Island Lake, Illinois, the length of the day today will be 10h and 57min.