Weather forecast for 10 daysSugar Island, IL

Weather forecast for the weekend

Sunday Oct 18, 2026

  • 64°F
  • 36°F
Sunny
Sunny
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 12mphSSW 196°
  • Humidity: 45%
  • UV index: 4
  • Sunrise: 7:06 am CDT
  • Sunset: 6:06 pm CDT
  • ▼
Today, sunshine is expected with little to no cloud cover.
Day and night temperatures will sharply contrast, oscillating between an enjoyable 64.4°F and a cold 35.6°F.
Today's peak is forecasted to reflect the usual October high temperature of 62.1°F.
Sunrise will be at 7:06 am and sunset at 6:06 pm; the daylight will last for 11h and 0min.

10-day overview

Daily temperatures

Warmest period: Friday - Saturday 75°C.
Coldest day: today 64°C.

Chance of precipitation

Highest chance: 7%.

Long-term weather forecast

  • Sunday
  • Oct 18, 2026
  • 64°F
  • 36°F
Sunny
Sunny
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 12mphSSW 196°
  • Humidity: 45%
  • UV index: 4
  • Sunrise: 7:06 am CDT
  • Sunset: 6:06 pm CDT
  • ▼
  • Monday
  • Oct 19, 2026
  • 70°F
  • 39°F
Sunny
Sunny
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 4mphSSE 167°
  • Humidity: 49%
  • UV index: 4
  • Sunrise: 7:07 am CDT
  • Sunset: 6:04 pm CDT
  • ▼
  • Tuesday
  • Oct 20, 2026
  • 72°F
  • 39°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 4mphE 81°
  • Humidity: 49%
  • UV index: 4
  • Sunrise: 7:08 am CDT
  • Sunset: 6:03 pm CDT
  • ▼
  • Wednesday
  • Oct 21, 2026
  • 73°F
  • 41°F
Sunny
Sunny
  • Precip. probability: 7%
  • Precipitation: 0"
  • Wind: 2mphSSE 153°
  • Humidity: 52%
  • UV index: 4
  • Sunrise: 7:09 am CDT
  • Sunset: 6:02 pm CDT
  • ▼
  • Thursday
  • Oct 22, 2026
  • 73°F
  • 45°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 4mphE 87°
  • Humidity: 52%
  • UV index: 4
  • Sunrise: 7:10 am CDT
  • Sunset: 6:00 pm CDT
  • ▼
  • Friday
  • Oct 23, 2026
  • 75°F
  • 45°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 7mphESE 115°
  • Humidity: 53%
  • UV index: 4
  • Sunrise: 7:12 am CDT
  • Sunset: 5:59 pm CDT
  • ▼
  • Saturday
  • Oct 24, 2026
  • 75°F
  • 46°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 8mphSE 142°
  • Humidity: 52%
  • UV index: 4
  • Sunrise: 7:13 am CDT
  • Sunset: 5:57 pm CDT
  • ▼
  • Sunday
  • Oct 25, 2026
  • 73°F
  • 46°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 7mphSSW 194°
  • Humidity: 49%
  • UV index: 4
  • Sunrise: 7:14 am CDT
  • Sunset: 5:56 pm CDT
  • ▼
  • Monday
  • Oct 26, 2026
  • 73°F
  • 46°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 7mphN 355°
  • Humidity: 51%
  • UV index: 3
  • Sunrise: 7:15 am CDT
  • Sunset: 5:55 pm CDT
  • ▼
  • Tuesday
  • Oct 27, 2026
  • 72°F
  • 50°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 7%
  • Precipitation: 0"
  • Wind: 6mphENE 74°
  • Humidity: 54%
  • UV index: 3
  • Sunrise: 7:16 am CDT
  • Sunset: 5:53 pm CDT
  • ▼
In the days ahead, a combination of mostly clear and overcast weather is predicted.
Rain is not anticipated in Sugar Island in the upcoming period.
In the upcoming days, the maximum temperature will vary between 64.4°F and 75.2°F, while the difference in minimum temperatures will be substantial, as nighttime lows are forecast to fall between 35.6°F and 50°F.
With a maximum temperature of 75.2°F, Friday and Saturday will be the warmest days; today is the coldest day, with a maximum temperature of 64.4°F.
Updated: Oct 18, 2026 @ 05:54:23 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

On Sunday, in Sugar Island, clear and sunny conditions are expected.

Today, the highest temperature will be 64.4°F, while the lowest temperature will be 35.6°F.
Today, the highest temperature will be in line with the average maximum temperature in October. Today, the lowest temperature will be significantly lower than the average low of 46.8°F.

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

Today, the daylight will last for 11h and 0min.