Weather forecast for 10 daysStonington, IL

Weather forecast for the weekend

Saturday Oct 17, 2026

  • 57°F
  • 36°F
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 3mphNW 307°
  • Humidity: 44%
  • UV index: 4
  • Sunrise: 7:09 am CDT
  • Sunset: 6:14 pm CDT
  • ▼
Today, in Stonington, sunshine will likely continue with scattered clouds at most.
Temperatures are forecasted to range from a maximum of a refreshing 57.2°F to a minimum of a cold 35.6°F.
Today, the maximum temperature is expected to align with November's average high of 50.4°F instead of October's.
Sunrise was at 7:09 am and sunset will be at 6:14 pm; the daylight will last for 11h and 5min.

Sunday Oct 18, 2026

  • 66°F
  • 37°F
Sunny
Sunny
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 10mphS 177°
  • Humidity: 46%
  • UV index: 4
  • Sunrise: 7:10 am CDT
  • Sunset: 6:13 pm CDT
  • ▼
On Sunday, October 18, skies will stay clear and sunny.
The temperature is anticipated to vary significantly from a high of a comfortable 66.2°F to a low of an icy 37.4°F.
Tomorrow's peak is expected to reflect the usual October high temperature of 64.2°F.
Sunrise will be at 7:10 am and sunset at 6:13 pm; tomorrow's daylight will last for 11h and 3min.

10-day overview

Daily temperatures

Warmest period: Friday - Sunday 79°C.
Coldest day: today 57°C.

Chance of precipitation

Highest chance: Monday 26.10. 8%.

Long-term weather forecast

  • Saturday
  • Oct 17, 2026
  • 57°F
  • 36°F
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 3mphNW 307°
  • Humidity: 44%
  • UV index: 4
  • Sunrise: 7:09 am CDT
  • Sunset: 6:14 pm CDT
  • ▼
  • Sunday
  • Oct 18, 2026
  • 66°F
  • 37°F
Sunny
Sunny
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 10mphS 177°
  • Humidity: 46%
  • UV index: 4
  • Sunrise: 7:10 am CDT
  • Sunset: 6:13 pm CDT
  • ▼
  • Monday
  • Oct 19, 2026
  • 72°F
  • 39°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 4mphSSE 162°
  • Humidity: 49%
  • UV index: 4
  • Sunrise: 7:11 am CDT
  • Sunset: 6:12 pm CDT
  • ▼
  • Tuesday
  • Oct 20, 2026
  • 73°F
  • 43°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 4mphESE 119°
  • Humidity: 48%
  • UV index: 4
  • Sunrise: 7:12 am CDT
  • Sunset: 6:10 pm CDT
  • ▼
  • Wednesday
  • Oct 21, 2026
  • 75°F
  • 43°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 4mphS 182°
  • Humidity: 48%
  • UV index: 4
  • Sunrise: 7:13 am CDT
  • Sunset: 6:09 pm CDT
  • ▼
  • Thursday
  • Oct 22, 2026
  • 77°F
  • 45°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 5mphSE 137°
  • Humidity: 49%
  • UV index: 4
  • Sunrise: 7:14 am CDT
  • Sunset: 6:07 pm CDT
  • ▼
  • Friday
  • Oct 23, 2026
  • 79°F
  • 46°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 7mphESE 120°
  • Humidity: 47%
  • UV index: 4
  • Sunrise: 7:15 am CDT
  • Sunset: 6:06 pm CDT
  • ▼
  • Saturday
  • Oct 24, 2026
  • 79°F
  • 48°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 7mphSE 143°
  • Humidity: 47%
  • UV index: 4
  • Sunrise: 7:16 am CDT
  • Sunset: 6:05 pm CDT
  • ▼
  • Sunday
  • Oct 25, 2026
  • 79°F
  • 48°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 7mphSSW 196°
  • Humidity: 48%
  • UV index: 4
  • Sunrise: 7:17 am CDT
  • Sunset: 6:03 pm CDT
  • ▼
  • Monday
  • Oct 26, 2026
  • 77°F
  • 50°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 8%
  • Precipitation: 0"
  • Wind: 6mphS 188°
  • Humidity: 54%
  • UV index: 4
  • Sunrise: 7:18 am CDT
  • Sunset: 6:02 pm CDT
  • ▼
Over the next ten days, conditions will reflect that a combination of dry and sunny and cloudy weather is anticipated.
Rainfall is not forecasted in Stonington in the upcoming days.
Temperature differences will be noticeable in the coming days. Forecast highs will fluctuate between 57.2°F and 78.8°F, while the fluctuation in night temperatures will be also significant, as temperatures overnight will fluctuate from 35.6°F up to 50°F.
The warmest days in Stonington, Illinois, will be Friday through next Sunday, with a maximum of 78.8°F; today is the coldest day, with a maximum temperature of 57.2°F.
Updated: Oct 17, 2026 @ 18:39:27 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

On Saturday, bright and sunny weather is expected.

Today, the maximum temperature in Stonington will be 57.2°F, while the minimum temperature will be 35.6°F.
The maximum temperature will be slightly cooler than the average highest temperature of 64.2°F in October. The lowest temperature today will be notably lower than the average low of 48°F.

On Saturday, in Stonington, sunrise was at 7:09 am and sunset will be at 6:14 pm (CDT).

Today, the daylight will last for 11h and 5min.

On Sunday, in Stonington, the outlook remains bright and sunny.

Tomorrow, the highest temperature will be 66.2°F, while the lowest temperature will be 37.4°F.
The highest temperature tomorrow will be in line with the average maximum temperature in October. The lowest temperature tomorrow will be significantly lower than the average low of 48°F.

On Sunday, in Stonington, sunrise will be at 7:10 am and sunset at 6:13 pm (CDT).

In Stonington, tomorrow, there will be 11h and 3min of daylight.