Weather forecast for tomorrowRiverside, MT
Weather forecast for tomorrow
Sunday Oct 18, 2026
- 59°F
- 23°F
Mostly Sunny
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 10mphS 184°
- Humidity: 53%
- UV index: 3
- Sunrise: 7:43 am MDT
- Sunset: 6:34 pm MDT
- details ▼
Tomorrow, in Riverside, mostly clear skies and sunshine will create ideal daytime conditions.
Temperature values will vary noticeably, extending from a refreshing 59°F to a subzero 23°F.
Tomorrow, the forecasted high will be higher and much closer to September's average high of 61.9°F than October's 44.2°F.
Sunrise will be at 7:43 am and sunset at 6:34 pm; tomorrow's daylight will last for 10h and 51min.
Temperature values will vary noticeably, extending from a refreshing 59°F to a subzero 23°F.
Tomorrow, the forecasted high will be higher and much closer to September's average high of 61.9°F than October's 44.2°F.
Sunrise will be at 7:43 am and sunset at 6:34 pm; tomorrow's daylight will last for 10h and 51min.
Hourly overview
Hourly temperatures
Warmest hour: 3 pm 57°C.
Coldest period: 6 am - 9 am 27°C.
Coldest period: 6 am - 9 am 27°C.
Chance of precipitation
Highest chance: 6 am 3%.
Hourly weather forecast
- 12 am
- 32°F
- Feels like:32°F
Partly Cloudy
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 2mphSSW 195°
- Humidity: 79%
- Pressure: 30.12"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 2 am
- 28°F
- Feels like:28°F
Partly Cloudy
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 2mphS 170°
- Humidity: 84%
- Pressure: 30.12"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 4 am
- 27°F
- Feels like:27°F
Partly Cloudy
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 1mphSSE 163°
- Humidity: 84%
- Pressure: 30.15"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 am
- 27°F
- Feels like:27°F
Partly Cloudy
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 1mphSE 143°
- Humidity: 87%
- Pressure: 30.15"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunrise: 7:43 am
- 8 am
- 25°F
- Feels like:25°F
Partly Cloudy
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 1mphSSE 154°
- Humidity: 87%
- Pressure: 30.15"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 am
- 34°F
- Feels like:34°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 1mphENE 59°
- Humidity: 75%
- Pressure: 30.15"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 12 pm
- 46°F
- Feels like:46°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 2mphSW 219°
- Humidity: 47%
- Pressure: 30.06"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 2 pm
- 55°F
- Feels like:54°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 9mphSSW 213°
- Humidity: 32%
- Pressure: 29.97"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 4 pm
- 57°F
- Feels like:55°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 9mphSW 216°
- Humidity: 29%
- Pressure: 29.94"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 6 pm
- 54°F
- Feels like:52°F
Mostly Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 7mphSSW 210°
- Humidity: 34%
- Pressure: 29.97"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 6:34 pm
- 8 pm
- 43°F
- Feels like:41°F
Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 4mphS 190°
- Humidity: 52%
- Pressure: 30.03"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 36°F
- Feels like:36°F
Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 2mphSSE 164°
- Humidity: 66%
- Pressure: 30.06"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Tomorrow, a combination of gloomy and sun-filled weather is expected.
The temperature will vary between a minimum of 24.8°F and a maximum of 57.2°F. The warmest part of the day will be from 3 pm to 5 pm.
Tomorrow, the temperature will be closer to September's norm than to October's average of 44.2°F. The expected low will be close to the average minimum in October, which is 26.1°F.
The temperature will vary between a minimum of 24.8°F and a maximum of 57.2°F. The warmest part of the day will be from 3 pm to 5 pm.
Tomorrow, the temperature will be closer to September's norm than to October's average of 44.2°F. The expected low will be close to the average minimum in October, which is 26.1°F.
Updated: Oct 18, 2026 @ 02:50:22 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, mostly sunny and dry conditions will continue.
Tomorrow, the maximum temperature in Riverside will be 59°F, while the minimum temperature will be 23°F.
Tomorrow, the maximum temperature will be significantly higher than the average highest temperature of 44.2°F in October. The lowest temperature tomorrow will be in line with the average low temperature.
Tomorrow, the maximum temperature will be significantly higher than the average highest temperature of 44.2°F in October. The lowest temperature tomorrow will be in line with the average low temperature.
On Sunday, in Riverside, sunrise will be at 7:43 am and sunset at 6:34 pm (MDT).
In Riverside, the length of the day tomorrow will be 10h and 51min.





