Weather forecast for 10 daysSouth Pekin, IL

Weather forecast for the weekend

Sunday Oct 18, 2026

  • 66°F
  • 37°F
Sunny
Sunny
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 11mphS 184°
  • Humidity: 50%
  • UV index: 4
  • Sunrise: 7:13 am CDT
  • Sunset: 6:14 pm CDT
  • ▼
Today, the forecast calls for abundant sunshine.
Significant temperature variations are expected, soaring to a maximum of an enjoyable 66.2°F and descending to a minimum of a cold 37.4°F.
Expect the maximum temperature to remain consistent with the typical October high of 63.1°F.
Sunrise will be at 7:13 am and sunset at 6:14 pm; the daylight will last for 11h and 1min.

10-day overview

Daily temperatures

Maximum temperature: 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: 11mphS 184°
  • Humidity: 50%
  • UV index: 4
  • Sunrise: 7:13 am CDT
  • Sunset: 6:14 pm CDT
  • ▼
  • Monday
  • Oct 19, 2026
  • 70°F
  • 41°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 4mphSSE 163°
  • Humidity: 54%
  • UV index: 4
  • Sunrise: 7:14 am CDT
  • Sunset: 6:12 pm CDT
  • ▼
  • Tuesday
  • Oct 20, 2026
  • 72°F
  • 43°F
Sunny
Sunny
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 3mphESE 113°
  • Humidity: 50%
  • UV index: 4
  • Sunrise: 7:15 am CDT
  • Sunset: 6:11 pm CDT
  • ▼
  • Wednesday
  • Oct 21, 2026
  • 75°F
  • 46°F
Sunny
Sunny
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 2mphS 177°
  • Humidity: 53%
  • UV index: 4
  • Sunrise: 7:16 am CDT
  • Sunset: 6:09 pm CDT
  • ▼
  • Thursday
  • Oct 22, 2026
  • 75°F
  • 46°F
Sunny
Sunny
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 3mphSE 125°
  • Humidity: 54%
  • UV index: 4
  • Sunrise: 7:17 am CDT
  • Sunset: 6:08 pm CDT
  • ▼
  • Friday
  • Oct 23, 2026
  • 77°F
  • 48°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 7mphSE 131°
  • Humidity: 54%
  • UV index: 4
  • Sunrise: 7:18 am CDT
  • Sunset: 6:07 pm CDT
  • ▼
  • Saturday
  • Oct 24, 2026
  • 75°F
  • 50°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 8mphSSE 152°
  • Humidity: 50%
  • UV index: 3
  • Sunrise: 7:19 am CDT
  • Sunset: 6:05 pm CDT
  • ▼
  • Sunday
  • Oct 25, 2026
  • 77°F
  • 52°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 6mphSSW 194°
  • Humidity: 50%
  • UV index: 3
  • Sunrise: 7:20 am CDT
  • Sunset: 6:04 pm CDT
  • ▼
  • Monday
  • Oct 26, 2026
  • 73°F
  • 50°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 6mphSE 143°
  • Humidity: 52%
  • UV index: 4
  • Sunrise: 7:21 am CDT
  • Sunset: 6:03 pm CDT
  • ▼
  • Tuesday
  • Oct 27, 2026
  • 72°F
  • 52°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 16%
  • Precipitation: 0"
  • Wind: 6mphSE 144°
  • Humidity: 59%
  • UV index: 3
  • Sunrise: 7:23 am CDT
  • Sunset: 6:01 pm CDT
  • ▼
Over the next ten days, a combination of clear and overcast weather is predicted.
Rainfall is not anticipated in South Pekin in the upcoming days.
In the upcoming days, the maximum temperature will range between 66.2°F and 77°F, while the fluctuation in night temperatures will be significant, as temperatures overnight will fluctuate from 37.4°F up to 51.8°F.
The warmest days will be Friday and next Sunday, with a maximum of 77°F; today is the coldest day, with a maximum temperature of 66.2°F.
Updated: Oct 18, 2026 @ 07:03:01 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Today, sunshine and minimal clouds are in the outlook.

Today, the highest temperature will be 66.2°F, while the lowest temperature will be 37.4°F.
Today, the highest temperature will be in line with the average maximum temperature in October. The lowest temperature will be significantly lower than the average low of 46.8°F.

On Sunday, in South Pekin, sunrise will be at 7:13 am and sunset at 6:14 pm (CDT).

In South Pekin, the length of the day today will be 11h and 1min.