Weather forecast for tomorrowRiverton, WY
Weather forecast for tomorrow
Sunday Oct 18, 2026
- 64°F
- 36°F
Sunny
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 6mphNNE 22°
- Humidity: 46%
- UV index: 4
- Sunrise: 7:31 am MDT
- Sunset: 6:26 pm MDT
- details ▼
Tomorrow, on Sunday, the outlook remains bright and sunny.
A wide temperature range is predicted, from a high of a breezy 64.4°F to a low of a wintry 35.6°F.
Tomorrow, the expected high will be moderately higher than the average October maximum of 57.7°F.
Sunrise will be at 7:31 am and sunset at 6:26 pm; tomorrow's daylight will last for 10h and 55min.
A wide temperature range is predicted, from a high of a breezy 64.4°F to a low of a wintry 35.6°F.
Tomorrow, the expected high will be moderately higher than the average October maximum of 57.7°F.
Sunrise will be at 7:31 am and sunset at 6:26 pm; tomorrow's daylight will last for 10h and 55min.
Hourly overview
Hourly temperatures
Warmest hour: 3 pm 63°C.
Coldest hour: 6 am 39°C.
Coldest hour: 6 am 39°C.
Chance of precipitation
Highest chance: 12 am - 6 am 3%.
Hourly weather forecast
- 12 am
- 46°F
- Feels like:45°F
Clear
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 7mphSW 229°
- Humidity: 55%
- Pressure: 30"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 2 am
- 45°F
- Feels like:39°F
Clear
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 6mphSW 231°
- Humidity: 61%
- Pressure: 30.03"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 4 am
- 43°F
- Feels like:39°F
Clear
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 6mphSW 236°
- Humidity: 60%
- Pressure: 30.06"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 am
- 39°F
- Feels like:36°F
Clear
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 5mphW 278°
- Humidity: 63%
- Pressure: 30.09"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunrise: 7:31 am
- 8 am
- 37°F
- Feels like:36°F
Sunny
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 4mphW 279°
- Humidity: 67%
- Pressure: 30.12"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 am
- 46°F
- Feels like:46°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 3mphNNW 340°
- Humidity: 59%
- Pressure: 30.12"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 12 pm
- 55°F
- Feels like:54°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 4mphNE 51°
- Humidity: 44%
- Pressure: 30.03"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 2 pm
- 61°F
- Feels like:61°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 4mphNE 53°
- Humidity: 35%
- Pressure: 29.94"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 4 pm
- 63°F
- Feels like:63°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 5mphENE 57°
- Humidity: 31%
- Pressure: 29.91"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 6 pm
- 61°F
- Feels like:61°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 5mphNNE 14°
- Humidity: 36%
- Pressure: 29.91"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 6:26 pm
- 8 pm
- 54°F
- Feels like:52°F
Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 5mphNNW 336°
- Humidity: 45%
- Pressure: 29.97"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 48°F
- Feels like:45°F
Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 7mphNW 326°
- Humidity: 56%
- Pressure: 30.03"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Tomorrow, mainly sunny weather and a cloudless sky are anticipated.
The temperature will be between the lowest temperature of 37.4°F and the highest temperature of 62.6°F. The warmest part of the day will be from 3 pm to 5 pm.
Tomorrow, the forecasted high will be relatively higher than October's typical peak temperature. Tomorrow, the minimum temperature will be also comparable to the average low for October.
The temperature will be between the lowest temperature of 37.4°F and the highest temperature of 62.6°F. The warmest part of the day will be from 3 pm to 5 pm.
Tomorrow, the forecasted high will be relatively higher than October's typical peak temperature. Tomorrow, the minimum temperature will be also comparable to the average low for October.
Updated: Oct 17, 2026 @ 16:48:43 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, sunshine will likely continue with scattered clouds at most.
Tomorrow, the highest temperature will be 64.4°F, while the lowest temperature will be 35.6°F.
Tomorrow, the highest temperature will be moderately higher than the average maximum temperature in October. The lowest temperature tomorrow will be in line with the average low temperature.
Tomorrow, the highest temperature will be moderately higher than the average maximum temperature in October. The lowest temperature tomorrow will be in line with the average low temperature.
On Sunday, in Riverton, sunrise will be at 7:31 am and sunset at 6:26 pm (MDT).
In Riverton, the length of the day tomorrow will be 10h and 55min.





