Weather forecast for tomorrowRiverton, UT
Weather forecast for tomorrow
Sunday Oct 18, 2026
- 68°F
- 48°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 11mphS 172°
- Humidity: 39%
- UV index: 4
- Sunrise: 7:42 am MDT
- Sunset: 6:43 pm MDT
- details ▼
Tomorrow, on Sunday, October 18, clouds and sunshine will alternate throughout the day.
The temperature is expected to oscillate between a maximum of a delightful 68°F and a minimum of a chilly 48.2°F.
Tomorrow, the anticipated high of 68°F is expected to reflect September's average high of 74.3°F.
Sunrise will be at 7:42 am and sunset at 6:43 pm; tomorrow's daylight will last for 11h and 1min.
The temperature is expected to oscillate between a maximum of a delightful 68°F and a minimum of a chilly 48.2°F.
Tomorrow, the anticipated high of 68°F is expected to reflect September's average high of 74.3°F.
Sunrise will be at 7:42 am and sunset at 6:43 pm; tomorrow's daylight will last for 11h and 1min.
Hourly overview
Hourly temperatures
Warmest hour: 3 pm 66°C.
Coldest hour: 3 am 46°C.
Coldest hour: 3 am 46°C.
Chance of precipitation
Highest chance: 12 am - 9 pm 0%.
Hourly weather forecast
- 12 am
- 50°F
- Feels like:46°F
Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 5mphS 170°
- Humidity: 47%
- Pressure: 30.06"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 2 am
- 48°F
- Feels like:46°F
Mostly Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 5mphS 174°
- Humidity: 51%
- Pressure: 30.06"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 4 am
- 46°F
- Feels like:43°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 6mphS 177°
- Humidity: 54%
- Pressure: 30.06"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 am
- 48°F
- Feels like:46°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 7mphS 175°
- Humidity: 53%
- Pressure: 30.06"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunrise: 7:42 am
- 8 am
- 48°F
- Feels like:45°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 7mphS 173°
- Humidity: 55%
- Pressure: 30.06"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 am
- 55°F
- Feels like:54°F
Mostly Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 9mphSSE 168°
- Humidity: 44%
- Pressure: 30.06"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 12 pm
- 63°F
- Feels like:61°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 10mphSSE 165°
- Humidity: 37%
- Pressure: 30.03"Hg
- Visibility: 10mi
- UV index: 4
- details ▼
- 2 pm
- 66°F
- Feels like:66°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 9mphSSE 165°
- Humidity: 31%
- Pressure: 29.97"Hg
- Visibility: 10mi
- UV index: 4
- details ▼
- 4 pm
- 66°F
- Feels like:66°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 7mphSSE 166°
- Humidity: 29%
- Pressure: 29.94"Hg
- Visibility: 10mi
- UV index: 2
- details ▼
- 6 pm
- 64°F
- Feels like:64°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 5mphS 182°
- Humidity: 36%
- Pressure: 29.94"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 6:43 pm
- 8 pm
- 57°F
- Feels like:57°F
Mostly Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 4mphSW 234°
- Humidity: 47%
- Pressure: 29.97"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 54°F
- Feels like:54°F
Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 4mphS 177°
- Humidity: 53%
- Pressure: 29.97"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Tomorrow, on Sunday, a combination of overcast and dry and sunny weather is predicted.
The temperature will be between a minimum of 46.4°F and a maximum of 66.2°F. The warmest part of the day will be from 2 pm to 5 pm.
The forecasted maximum is more consistent with September's typical high of 74.3°F than the average for October. Tomorrow, the night will be also more close to September's average minimum of 50.5°F than October's usual value of 39.2°F.
The temperature will be between a minimum of 46.4°F and a maximum of 66.2°F. The warmest part of the day will be from 2 pm to 5 pm.
The forecasted maximum is more consistent with September's typical high of 74.3°F than the average for October. Tomorrow, the night will be also more close to September's average minimum of 50.5°F than October's usual value of 39.2°F.
Updated: Oct 17, 2026 @ 17:37:53 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, thin clouds will pass through at times, but overall, it will remain bright.
Tomorrow, the maximum temperature will be 68°F, while the minimum temperature will be 48.2°F.
Tomorrow, the maximum temperature will be noticeably higher than the average highest temperature of 57.6°F in October. The lowest temperature tomorrow will be relatively higher than the average low temperature.
Tomorrow, the maximum temperature will be noticeably higher than the average highest temperature of 57.6°F in October. The lowest temperature tomorrow will be relatively higher than the average low temperature.
On Sunday, in Riverton, sunrise will be at 7:42 am and sunset at 6:43 pm (MDT).
Tomorrow, the daylight will last for 11h and 1min.





