Weather forecast for 10 daysCahokia, IL

Weather forecast for the weekend

Sunday Oct 18, 2026

  • 66°F
  • 37°F
Sunny
Sunny
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 7mphSSE 155°
  • Humidity: 52%
  • UV index: 5
  • Sunrise: 7:13 am CDT
  • Sunset: 6:18 pm CDT
  • ▼
Tomorrow, in Cahokia, bright and sunny weather is expected.
Temperature changes will be considerable, from a high of a comfortable 66.2°F to a low of a wintry 37.4°F.
The maximum temperature will align with October's usual high of 66.6°F.
Sunrise will be at 7:13 am and sunset at 6:18 pm; tomorrow's daylight will last for 11h and 5min.

10-day overview

Daily temperatures

Warmest day: Sunday 25.10. 82°C.
Coldest day: tomorrow 66°C.

Chance of precipitation

Highest chance: Monday - Tuesday 6%.

Long-term weather forecast

  • Saturday
  • Oct 17, 2026
  • min.
  • 36°F
Clear
Clear
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 2mphSE 135°
  • Humidity: 88%
  • UV index: 0
  • Sunrise: 7:12 am CDT
  • Sunset: 6:19 pm CDT
  • ▼
  • Sunday
  • Oct 18, 2026
  • 66°F
  • 37°F
Sunny
Sunny
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 7mphSSE 155°
  • Humidity: 52%
  • UV index: 5
  • Sunrise: 7:13 am CDT
  • Sunset: 6:18 pm CDT
  • ▼
  • Monday
  • Oct 19, 2026
  • 72°F
  • 41°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 3mphSSE 148°
  • Humidity: 54%
  • UV index: 5
  • Sunrise: 7:14 am CDT
  • Sunset: 6:17 pm CDT
  • ▼
  • Tuesday
  • Oct 20, 2026
  • 73°F
  • 43°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 3mphE 99°
  • Humidity: 52%
  • UV index: 5
  • Sunrise: 7:15 am CDT
  • Sunset: 6:15 pm CDT
  • ▼
  • Wednesday
  • Oct 21, 2026
  • 77°F
  • 45°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 2mphSSE 161°
  • Humidity: 49%
  • UV index: 4
  • Sunrise: 7:16 am CDT
  • Sunset: 6:14 pm CDT
  • ▼
  • Thursday
  • Oct 22, 2026
  • 77°F
  • 45°F
Sunny
Sunny
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 3mphESE 116°
  • Humidity: 51%
  • UV index: 4
  • Sunrise: 7:17 am CDT
  • Sunset: 6:13 pm CDT
  • ▼
  • Friday
  • Oct 23, 2026
  • 79°F
  • 48°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 6mphESE 119°
  • Humidity: 50%
  • UV index: 4
  • Sunrise: 7:18 am CDT
  • Sunset: 6:11 pm CDT
  • ▼
  • Saturday
  • Oct 24, 2026
  • 81°F
  • 50°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 6mphSE 142°
  • Humidity: 48%
  • UV index: 4
  • Sunrise: 7:19 am CDT
  • Sunset: 6:10 pm CDT
  • ▼
  • Sunday
  • Oct 25, 2026
  • 82°F
  • 50°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 5mphSSW 194°
  • Humidity: 47%
  • UV index: 4
  • Sunrise: 7:20 am CDT
  • Sunset: 6:09 pm CDT
  • ▼
  • Monday
  • Oct 26, 2026
  • 79°F
  • 50°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 4mphSSE 165°
  • Humidity: 49%
  • UV index: 4
  • Sunrise: 7:21 am CDT
  • Sunset: 6:08 pm CDT
  • ▼
In the days ahead, a combination of cloud-filled and dry and sunny weather is forecasted.
Rain is not anticipated in Cahokia in the upcoming days.
Temperature variation will be noticeable over the next several days. The maximum temperature will vary between 66.2°F and 82.4°F, while the fluctuation in night temperatures will be also significant, as the overnight lows will vary from 35.6°F to 50°F.
With the highest temperature of 82.4°F, next Sunday will be the warmest day; the lowest daytime temperature of the period will be reached on Sunday, peaking at 66.2°F.
Updated: Oct 18, 2026 @ 01:46:38 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Tomorrow, in Cahokia, conditions remain stable and sunny, with little cloud presence.

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. Tomorrow, the lowest temperature will be significantly lower than the average low of 49.1°F.

On Sunday, in Cahokia, sunrise will be at 7:13 am and sunset at 6:18 pm (CDT).

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