Weather forecast for tomorrowRiverside, WA
Weather forecast for tomorrow
Sunday Oct 18, 2026
- 64°F
- 41°F
Mostly Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 10mphNNW 335°
- Humidity: 39%
- UV index: 3
- Sunrise: 7:23 am PDT
- Sunset: 6:03 pm PDT
- details ▼
Tomorrow, mainly sunny conditions will dominate the day.
Temperature fluctuations between a breezy 64.4°F and a wintry 41°F are expected.
The anticipated high is warmer and better reflects September's normal temperature profile than that of October.
Sunrise will be at 7:23 am and sunset at 6:03 pm; tomorrow's daylight will last for 10h and 40min.
Temperature fluctuations between a breezy 64.4°F and a wintry 41°F are expected.
The anticipated high is warmer and better reflects September's normal temperature profile than that of October.
Sunrise will be at 7:23 am and sunset at 6:03 pm; tomorrow's daylight will last for 10h and 40min.
Hourly overview
Hourly temperatures
Warmest hour: 3 pm 63°C.
Coldest hour: 6 am 37°C.
Coldest hour: 6 am 37°C.
Chance of precipitation
Highest chance: 3 am - 6 am 1%.
Hourly weather forecast
- 12 am
- 45°F
- Feels like:39°F
Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 7mphNNW 346°
- Humidity: 55%
- Pressure: 30.15"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 2 am
- 41°F
- Feels like:37°F
Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 8mphN 351°
- Humidity: 59%
- Pressure: 30.15"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 4 am
- 39°F
- Feels like:34°F
Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 9mphN 351°
- Humidity: 61%
- Pressure: 30.18"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 am
- 37°F
- Feels like:32°F
Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 9mphN 0°
- Humidity: 63%
- Pressure: 30.18"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunrise: 7:23 am
- 8 am
- 37°F
- Feels like:30°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 9mphN 357°
- Humidity: 67%
- Pressure: 30.21"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 am
- 46°F
- Feels like:43°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 10mphN 8°
- Humidity: 47%
- Pressure: 30.18"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 12 pm
- 55°F
- Feels like:52°F
Mostly Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 7mphNNE 11°
- Humidity: 36%
- Pressure: 30.15"Hg
- Visibility: 10mi
- UV index: 2
- details ▼
- 2 pm
- 61°F
- Feels like:61°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 4mphN 359°
- Humidity: 26%
- Pressure: 30.06"Hg
- Visibility: 10mi
- UV index: 2
- details ▼
- 4 pm
- 63°F
- Feels like:63°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 4mphSW 234°
- Humidity: 23%
- Pressure: 30.03"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 6 pm
- 57°F
- Feels like:57°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 3mphSW 233°
- Humidity: 30%
- Pressure: 30"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 6:03 pm
- 8 pm
- 48°F
- Feels like:46°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 5mphNW 318°
- Humidity: 40%
- Pressure: 30"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 46°F
- Feels like:43°F
Mostly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 6mphNNW 334°
- Humidity: 46%
- Pressure: 29.97"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Tomorrow, on Sunday, a combination of cloudy and bright weather is expected.
The temperature will be between the lowest temperature of 37.4°F and the highest temperature of 62.6°F. The feels-like temperature will be between a minimum of 30.2°F and a maximum of 62.6°F. The warmest part of the day will be from 3 pm to 5 pm.
Tomorrow, the expected high matches September's average of 70.9°F more than October's. Tomorrow, the temperature is expected to be a couple of degrees higher than October's normal minimum of 37.2°F.
The temperature will be between the lowest temperature of 37.4°F and the highest temperature of 62.6°F. The feels-like temperature will be between a minimum of 30.2°F and a maximum of 62.6°F. The warmest part of the day will be from 3 pm to 5 pm.
Tomorrow, the expected high matches September's average of 70.9°F more than October's. Tomorrow, the temperature is expected to be a couple of degrees higher than October's normal minimum of 37.2°F.
Updated: Oct 17, 2026 @ 22:28:47 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, mainly sunny skies with just a few high clouds are anticipated.
Tomorrow, the maximum temperature will be 64.4°F, while the minimum temperature will be 41°F.
The highest temperature will be uncommonly higher than the average maximum of 54.9°F in October. Tomorrow, the lowest temperature will be a few degrees higher than the average low temperature.
The highest temperature will be uncommonly higher than the average maximum of 54.9°F in October. Tomorrow, the lowest temperature will be a few degrees higher than the average low temperature.
On Sunday, in Riverside, sunrise will be at 7:23 am and sunset at 6:03 pm (PDT).
In Riverside, the length of the day tomorrow will be 10h and 40min.





