Weather forecast for 10 daysSouth Wilmington, IL

Weather forecast for the weekend

Sunday Oct 18, 2026

  • 66°F
  • 37°F
Sunny
Sunny
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 12mphSSW 197°
  • Humidity: 48%
  • UV index: 4
  • Sunrise: 7:08 am CDT
  • Sunset: 6:08 pm CDT
  • ▼
Today, skies will stay clear and sunny.
The daytime temperature will peak at a breezy 66.2°F, significantly contrasting with the night's low of a wintry 37.4°F.
The top temperature for today will be a few degrees higher than the average high in October of 62.1°F.
Sunrise will be at 7:08 am and sunset at 6:08 pm; the daylight will last for 10h and 59min.

10-day overview

Daily temperatures

Warmest day: Sunday 25.10. 77°C.
Coldest day: today 66°C.

Chance of precipitation

Highest chance: Tuesday 27.10. 16%.

Long-term weather forecast

  • Sunday
  • Oct 18, 2026
  • 66°F
  • 37°F
Sunny
Sunny
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 12mphSSW 197°
  • Humidity: 48%
  • UV index: 4
  • Sunrise: 7:08 am CDT
  • Sunset: 6:08 pm CDT
  • ▼
  • Monday
  • Oct 19, 2026
  • 72°F
  • 37°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 3mphSSE 166°
  • Humidity: 51%
  • UV index: 4
  • Sunrise: 7:09 am CDT
  • Sunset: 6:06 pm CDT
  • ▼
  • Tuesday
  • Oct 20, 2026
  • 72°F
  • 41°F
Sunny
Sunny
  • Precip. probability: 7%
  • Precipitation: 0"
  • Wind: 4mphE 87°
  • Humidity: 51%
  • UV index: 4
  • Sunrise: 7:10 am CDT
  • Sunset: 6:05 pm CDT
  • ▼
  • Wednesday
  • Oct 21, 2026
  • 73°F
  • 43°F
Sunny
Sunny
  • Precip. probability: 7%
  • Precipitation: 0"
  • Wind: 2mphSSE 167°
  • Humidity: 55%
  • UV index: 4
  • Sunrise: 7:11 am CDT
  • Sunset: 6:03 pm CDT
  • ▼
  • Thursday
  • Oct 22, 2026
  • 75°F
  • 41°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 4mphNE 43°
  • Humidity: 56%
  • UV index: 4
  • Sunrise: 7:12 am CDT
  • Sunset: 6:02 pm CDT
  • ▼
  • Friday
  • Oct 23, 2026
  • 75°F
  • 43°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 6mphESE 117°
  • Humidity: 58%
  • UV index: 4
  • Sunrise: 7:14 am CDT
  • Sunset: 6:00 pm CDT
  • ▼
  • Saturday
  • Oct 24, 2026
  • 75°F
  • 48°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 7mphSSE 148°
  • Humidity: 53%
  • UV index: 3
  • Sunrise: 7:15 am CDT
  • Sunset: 5:59 pm CDT
  • ▼
  • Sunday
  • Oct 25, 2026
  • 77°F
  • 50°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 6mphSSW 193°
  • Humidity: 49%
  • UV index: 3
  • Sunrise: 7:16 am CDT
  • Sunset: 5:57 pm CDT
  • ▼
  • Monday
  • Oct 26, 2026
  • 75°F
  • 50°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 6mphS 177°
  • Humidity: 51%
  • UV index: 3
  • Sunrise: 7:17 am CDT
  • Sunset: 5:56 pm CDT
  • ▼
  • Tuesday
  • Oct 27, 2026
  • 72°F
  • 48°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 16%
  • Precipitation: 0"
  • Wind: 7mphESE 105°
  • Humidity: 58%
  • UV index: 3
  • Sunrise: 7:18 am CDT
  • Sunset: 5:55 pm CDT
  • ▼
Ten-day trends indicate that a combination of clear and overcast weather is forecasted.
Rainfall is not expected in South Wilmington in the upcoming days.
In the upcoming days, the highest temperature will vary between 66.2°F and 77°F, while the lowest nightly temperature differences will be quite pronounced, as nighttime lows are forecast to fall between 37.4°F and 50°F.
Next Sunday is expected to be the warmest, reaching up to 77°F; today is the coldest day, with a maximum temperature of 66.2°F.
Updated: Oct 18, 2026 @ 11:36:29 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

On Sunday, in South Wilmington, the weather remains calm, bright, and sunny.

Today, the highest temperature will be 66.2°F, while the lowest temperature will be 37.4°F.
The highest temperature today will be a couple of degrees higher than the average maximum temperature in October. The lowest temperature today will be also relatively lower than the average low temperature.

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

In South Wilmington, today, there will be 10h and 59min of daylight.