Weather forecast for 10 daysRiverton, IL

Weather forecast for the weekend

Saturday Oct 17, 2026

  • 57°F
  • 36°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 3mphSSW 207°
  • Humidity: 43%
  • UV index: 4
  • Sunrise: 7:10 am CDT
  • Sunset: 6:16 pm CDT
  • ▼
Today, in Riverton, conditions will remain bright with clear skies.
Expected temperature values will span from a refreshing 57.2°F down to an icy 35.6°F.
The expected high will be slightly cooler than October's standard temperature of 64°F.
Sunrise was at 7:10 am and sunset will be at 6:16 pm; the daylight will last for 11h and 5min.

Sunday Oct 18, 2026

  • 66°F
  • 37°F
Sunny
Sunny
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 11mphS 178°
  • Humidity: 48%
  • UV index: 4
  • Sunrise: 7:11 am CDT
  • Sunset: 6:14 pm CDT
  • ▼
Tomorrow, expect consistent sunshine and open skies.
A substantial temperature fluctuation from a breezy 66.2°F at its peak to a cold 37.4°F at its lowest point is forecasted.
Tomorrow's highest temperature is predicted to match the regular high for October at 64°F.
Sunrise will be at 7:11 am and sunset at 6:14 pm; tomorrow's daylight will last for 11h and 3min.

10-day overview

Daily temperatures

Warmest day: Sunday 25.10. 81°C.
Coldest day: today 57°C.

Chance of precipitation

Highest chance: Monday 26.10. 6%.

Long-term weather forecast

  • Saturday
  • Oct 17, 2026
  • 57°F
  • 36°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 3mphSSW 207°
  • Humidity: 43%
  • UV index: 4
  • Sunrise: 7:10 am CDT
  • Sunset: 6:16 pm CDT
  • ▼
  • Sunday
  • Oct 18, 2026
  • 66°F
  • 37°F
Sunny
Sunny
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 11mphS 178°
  • Humidity: 48%
  • UV index: 4
  • Sunrise: 7:11 am CDT
  • Sunset: 6:14 pm CDT
  • ▼
  • Monday
  • Oct 19, 2026
  • 72°F
  • 39°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 4mphSSE 158°
  • Humidity: 51%
  • UV index: 4
  • Sunrise: 7:12 am CDT
  • Sunset: 6:13 pm CDT
  • ▼
  • Tuesday
  • Oct 20, 2026
  • 73°F
  • 45°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 4mphESE 113°
  • Humidity: 50%
  • UV index: 4
  • Sunrise: 7:14 am CDT
  • Sunset: 6:11 pm CDT
  • ▼
  • Wednesday
  • Oct 21, 2026
  • 75°F
  • 41°F
Sunny
Sunny
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 3mphS 179°
  • Humidity: 49%
  • UV index: 4
  • Sunrise: 7:15 am CDT
  • Sunset: 6:10 pm CDT
  • ▼
  • Thursday
  • Oct 22, 2026
  • 77°F
  • 45°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 4mphE 85°
  • Humidity: 51%
  • UV index: 4
  • Sunrise: 7:16 am CDT
  • Sunset: 6:08 pm CDT
  • ▼
  • Friday
  • Oct 23, 2026
  • 77°F
  • 46°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 7mphESE 122°
  • Humidity: 50%
  • UV index: 4
  • Sunrise: 7:17 am CDT
  • Sunset: 6:07 pm CDT
  • ▼
  • Saturday
  • Oct 24, 2026
  • 79°F
  • 46°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 7mphSE 146°
  • Humidity: 48%
  • UV index: 4
  • Sunrise: 7:18 am CDT
  • Sunset: 6:06 pm CDT
  • ▼
  • Sunday
  • Oct 25, 2026
  • 81°F
  • 50°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 7mphSSW 194°
  • Humidity: 48%
  • UV index: 4
  • Sunrise: 7:19 am CDT
  • Sunset: 6:04 pm CDT
  • ▼
  • Monday
  • Oct 26, 2026
  • 77°F
  • 46°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 6mphSSE 154°
  • Humidity: 51%
  • UV index: 4
  • Sunrise: 7:20 am CDT
  • Sunset: 6:03 pm CDT
  • ▼
For the next ten days, a combination of clear and cloudy weather is predicted.
Rainfall is not anticipated in Riverton in the upcoming days.
Temperature fluctuation will be noticeable across the forecast period. The maximum temperature will vary between 57.2°F and 80.6°F, while the nightly low temperatures will show also a considerable swing, as the overnight lows will vary from 35.6°F to 50°F.
Next Sunday is expected to be the warmest, reaching up to 80.6°F; today is the coldest day, with a maximum temperature of 57.2°F.
Updated: Oct 17, 2026 @ 19:50:19 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

On Sunday, sunshine is expected with little to no cloud cover.

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 48.2°F.

On Sunday, in Riverton, sunrise will be at 7:11 am and sunset at 6:14 pm (CDT).

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