Weather forecast for tomorrowRiverton, IL
Weather forecast for tomorrow
Sunday Oct 18, 2026
- 66°F
- 37°F
Sunny
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 11mphS 178°
- Humidity: 47%
- UV index: 4
- Sunrise: 7:11 am CDT
- Sunset: 6:14 pm CDT
- details ▼
Tomorrow, on Sunday, sunshine is expected with little to no cloud cover.
The day's temperature range will span from a high of a comfortable 66.2°F to a minimum of a wintry 37.4°F.
Tomorrow's high is anticipated to coincide with the typical October maximum of 64°F.
Sunrise will be at 7:11 am and sunset at 6:14 pm; tomorrow's daylight will last for 11h and 3min.
The day's temperature range will span from a high of a comfortable 66.2°F to a minimum of a wintry 37.4°F.
Tomorrow's high is anticipated to coincide with the typical October maximum of 64°F.
Sunrise will be at 7:11 am and sunset at 6:14 pm; tomorrow's daylight will last for 11h and 3min.
Hourly overview
Hourly temperatures
Warmest hour: 3 pm 64°C.
Coldest hour: 6 am 37°C.
Coldest hour: 6 am 37°C.
Chance of precipitation
Highest chance: 6 am 5%.
Hourly weather forecast
- 12 am
- 41°F
- Feels like:37°F
Clear
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 4mphSSE 163°
- Humidity: 77%
- Pressure: 30.45"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 2 am
- 39°F
- Feels like:36°F
Clear
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 4mphSSE 158°
- Humidity: 84%
- Pressure: 30.47"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 4 am
- 39°F
- Feels like:36°F
Clear
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 5mphS 171°
- Humidity: 84%
- Pressure: 30.47"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 am
- 37°F
- Feels like:34°F
Clear
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 5mphSSE 167°
- Humidity: 84%
- Pressure: 30.47"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunrise: 7:11 am
- 8 am
- 39°F
- Feels like:37°F
Sunny
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 5mphS 171°
- Humidity: 80%
- Pressure: 30.5"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 am
- 54°F
- Feels like:50°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 9mphS 183°
- Humidity: 52%
- Pressure: 30.47"Hg
- Visibility: 10mi
- UV index: 2
- details ▼
- 12 pm
- 61°F
- Feels like:59°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 11mphS 184°
- Humidity: 37%
- Pressure: 30.45"Hg
- Visibility: 10mi
- UV index: 4
- details ▼
- 2 pm
- 64°F
- Feels like:63°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 9mphS 185°
- Humidity: 32%
- Pressure: 30.39"Hg
- Visibility: 10mi
- UV index: 4
- details ▼
- 4 pm
- 64°F
- Feels like:64°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 9mphS 179°
- Humidity: 31%
- Pressure: 30.36"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 6 pm
- 59°F
- Feels like:59°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 6mphSSE 168°
- Humidity: 41%
- Pressure: 30.36"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 6:14 pm
- 8 pm
- 52°F
- Feels like:50°F
Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 6mphSSE 159°
- Humidity: 60%
- Pressure: 30.36"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 48°F
- Feels like:45°F
Clear
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 6mphSSE 161°
- Humidity: 70%
- Pressure: 30.39"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Tomorrow, sunshine is expected.
The temperature will be between a minimum of 37.4°F and a maximum of 64.4°F. The warmest part of the day will be from 2 pm to 5 pm.
The maximum temperature will be alike with the average high of 64°F in October. The lowest temperature is more comparable to November's average minimum of 36.5°F than the usual minimum of 48.2°F in October.
The temperature will be between a minimum of 37.4°F and a maximum of 64.4°F. The warmest part of the day will be from 2 pm to 5 pm.
The maximum temperature will be alike with the average high of 64°F in October. The lowest temperature is more comparable to November's average minimum of 36.5°F than the usual minimum of 48.2°F in October.
Updated: Oct 17, 2026 @ 17:11:53 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Frequently asked questions
Tomorrow, sun-filled conditions are expected to persist.
Tomorrow, the maximum temperature will be 66.2°F, while the minimum 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 noticeably lower than the average low of 48.2°F.
The highest temperature tomorrow will be in line with the average maximum temperature in October. Tomorrow, the lowest temperature will be noticeably 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.





