Weather forecast for tomorrowRiverton, UT
Weather forecast for tomorrow
Sunday Oct 18, 2026
- 68°F
- 48°F
Partly Cloudy
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 10mphS 171°
- Humidity: 41%
- UV index: 4
- Sunrise: 7:42 am MDT
- Sunset: 6:43 pm MDT
- details ▼
On Sunday, October 18, variable cloud cover will persist, but sunshine will break through.
Temperatures will oscillate between a delightful 68°F at their highest and a brisk 48.2°F at their lowest.
Tomorrow, the maximum temperature will be higher and more reflective of September's average high of 74.3°F than October's of 57.6°F.
Sunrise will be at 7:42 am and sunset at 6:43 pm; tomorrow's daylight will last for 11h and 1min.
Temperatures will oscillate between a delightful 68°F at their highest and a brisk 48.2°F at their lowest.
Tomorrow, the maximum temperature will be higher and more reflective of September's average high of 74.3°F than October's of 57.6°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 period: 3 pm - 6 pm 66°C.
Coldest period: 3 am - 6 am 48°C.
Coldest period: 3 am - 6 am 48°C.
Chance of precipitation
Highest chance: 6 am 1%.
Hourly weather forecast
- 12 am
- 50°F
- Feels like:48°F
Mostly Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 5mphS 173°
- Humidity: 47%
- Pressure: 30.06"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 2 am
- 48°F
- Feels like:45°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 5mphS 175°
- Humidity: 51%
- Pressure: 30.06"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 4 am
- 48°F
- Feels like:45°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 7mphS 176°
- Humidity: 52%
- Pressure: 30.06"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 am
- 48°F
- Feels like:45°F
Partly Cloudy
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 6mphS 172°
- Humidity: 55%
- Pressure: 30.06"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunrise: 7:42 am
- 8 am
- 46°F
- Feels like:43°F
Partly Cloudy
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 7mphS 176°
- Humidity: 58%
- Pressure: 30.06"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 am
- 57°F
- Feels like:54°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 9mphSSE 166°
- Humidity: 47%
- 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: 38%
- 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 168°
- Humidity: 32%
- Pressure: 29.97"Hg
- Visibility: 10mi
- UV index: 4
- details ▼
- 4 pm
- 68°F
- Feels like:68°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 7mphS 172°
- Humidity: 30%
- Pressure: 29.94"Hg
- Visibility: 10mi
- UV index: 2
- details ▼
- 6 pm
- 66°F
- Feels like:66°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 4mphS 180°
- Humidity: 35%
- Pressure: 29.91"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 6:43 pm
- 8 pm
- 57°F
- Feels like:57°F
Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 4mphSSW 203°
- Humidity: 49%
- 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 179°
- Humidity: 54%
- Pressure: 29.97"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Tomorrow, primarily gloomy and occasionally clear weather is forecasted.
The temperature will vary between a minimum of 46.4°F and a maximum of 68°F. The warmest part of the day is anticipated around 4 pm.
Tomorrow, temperatures will be more in line with the climate of September than the usual maximum in October. Tomorrow, the forecasted low is also more alike with September's minimum of 50.5°F than the average in October.
The temperature will vary between a minimum of 46.4°F and a maximum of 68°F. The warmest part of the day is anticipated around 4 pm.
Tomorrow, temperatures will be more in line with the climate of September than the usual maximum in October. Tomorrow, the forecasted low is also more alike with September's minimum of 50.5°F than the average in October.
Updated: Oct 18, 2026 @ 00:01:13 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
On Sunday, the sky will feature a blend of clouds and sunshine.
Tomorrow, the highest temperature will be 68°F, while the lowest 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 a few degrees 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 a few degrees higher than the average low temperature.
On Sunday, in Riverton, sunrise will be at 7:42 am and sunset at 6:43 pm (MDT).
In Riverton, tomorrow, there will be 11h and 1min of daylight.





