Weather forecast for 10 daysBlue Island, IL

Weather forecast for the weekend

Sunday Oct 18, 2026

  • 64°F
  • 39°F
Sunny
Sunny
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 13mphSSW 203°
  • Humidity: 46%
  • UV index: 4
  • Sunrise: 7:06 am CDT
  • Sunset: 6:05 pm CDT
  • ▼
On Sunday, October 18, sun-filled conditions are also expected to persist.
Forecasted temperature values will span from an enjoyable 64.4°F down to a wintry 39.2°F.
The day’s highest temperature is predicted to be a couple of degrees higher than the standard October average of 60.6°F.
Sunrise will be at 7:06 am and sunset at 6:05 pm; tomorrow's daylight will last for 10h and 59min.

10-day overview

Daily temperatures

Warmest period: Wednesday - Sunday 72°C.
Coldest day: tomorrow 64°C.

Chance of precipitation

Highest chance: Monday 26.10. 8%.

Long-term weather forecast

  • Saturday
  • Oct 17, 2026
  • min.
  • 39°F
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 7mphSSW 200°
  • Humidity: 72%
  • UV index: 0
  • Sunrise: 7:05 am CDT
  • Sunset: 6:06 pm CDT
  • ▼
  • Sunday
  • Oct 18, 2026
  • 64°F
  • 39°F
Sunny
Sunny
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 13mphSSW 203°
  • Humidity: 46%
  • UV index: 4
  • Sunrise: 7:06 am CDT
  • Sunset: 6:05 pm CDT
  • ▼
  • Monday
  • Oct 19, 2026
  • 70°F
  • 43°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 4mphS 190°
  • Humidity: 51%
  • UV index: 4
  • Sunrise: 7:07 am CDT
  • Sunset: 6:03 pm CDT
  • ▼
  • Tuesday
  • Oct 20, 2026
  • 70°F
  • 43°F
Sunny
Sunny
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 6mphE 96°
  • Humidity: 54%
  • UV index: 4
  • Sunrise: 7:08 am CDT
  • Sunset: 6:02 pm CDT
  • ▼
  • Wednesday
  • Oct 21, 2026
  • 72°F
  • 45°F
Sunny
Sunny
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 4mphS 175°
  • Humidity: 56%
  • UV index: 4
  • Sunrise: 7:10 am CDT
  • Sunset: 6:00 pm CDT
  • ▼
  • Thursday
  • Oct 22, 2026
  • 72°F
  • 46°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 5mphSE 128°
  • Humidity: 58%
  • UV index: 4
  • Sunrise: 7:11 am CDT
  • Sunset: 5:59 pm CDT
  • ▼
  • Friday
  • Oct 23, 2026
  • 72°F
  • 48°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 7mphSE 126°
  • Humidity: 59%
  • UV index: 4
  • Sunrise: 7:12 am CDT
  • Sunset: 5:57 pm CDT
  • ▼
  • Saturday
  • Oct 24, 2026
  • 72°F
  • 50°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 8mphSSE 150°
  • Humidity: 58%
  • UV index: 3
  • Sunrise: 7:13 am CDT
  • Sunset: 5:56 pm CDT
  • ▼
  • Sunday
  • Oct 25, 2026
  • 72°F
  • 50°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 7mphSSW 193°
  • Humidity: 56%
  • UV index: 3
  • Sunrise: 7:14 am CDT
  • Sunset: 5:54 pm CDT
  • ▼
  • Monday
  • Oct 26, 2026
  • 70°F
  • 48°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 8%
  • Precipitation: 0"
  • Wind: 7mphNNE 15°
  • Humidity: 57%
  • UV index: 3
  • Sunrise: 7:15 am CDT
  • Sunset: 5:53 pm CDT
  • ▼
A combination of sunny and cloudy weather is anticipated.
Rainfall is not expected in Blue Island in the upcoming period.
In the upcoming days, the maximum temperature will vary between 64.4°F and 71.6°F, while the lowest temperature will be between 39.2°F and 50°F.
The warmest days will be Wednesday through next Sunday, with a maximum of 71.6°F; expect the coldest day on Sunday with a high of 64.4°F.
Updated: Oct 18, 2026 @ 03:23:04 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Tomorrow, sunshine and minimal clouds are in the outlook.

Tomorrow, the highest temperature will be 64.4°F, while the lowest temperature will be 39.2°F.
The highest temperature will be a couple of degrees higher than the average maximum of 60.6°F in October. The lowest temperature tomorrow will be also a few degrees lower than the average low temperature.

On Sunday, in Blue Island, sunrise will be at 7:06 am and sunset at 6:05 pm (CDT).

In Blue Island, the length of the day tomorrow will be 10h and 59min.