Weather forecast for tomorrowRichland, WA
Weather forecast for tomorrow
Sunday Oct 18, 2026
- 68°F
- 43°F
Mostly Sunny
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 6mphN 349°
- Humidity: 47%
- UV index: 3
- Sunrise: 7:18 am PDT
- Sunset: 6:05 pm PDT
- details ▼
Tomorrow, on Sunday, mostly sunny and dry conditions will continue.
The temperature will vary between a maximum of a delightful 68°F and a minimum of a brisk 42.8°F.
Tomorrow, the forecasted high will be moderately higher than October's typical maximum of 62.4°F.
Sunrise will be at 7:18 am and sunset at 6:05 pm; tomorrow's daylight will last for 10h and 47min.
The temperature will vary between a maximum of a delightful 68°F and a minimum of a brisk 42.8°F.
Tomorrow, the forecasted high will be moderately higher than October's typical maximum of 62.4°F.
Sunrise will be at 7:18 am and sunset at 6:05 pm; tomorrow's daylight will last for 10h and 47min.
Hourly overview
Hourly temperatures
Warmest hour: 3 pm 66°C.
Coldest hour: 6 am 41°C.
Coldest hour: 6 am 41°C.
Chance of precipitation
Highest chance: 6 am 3%.
Hourly weather forecast
- 12 am
- 52°F
- Feels like:52°F
Mostly Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 2mphNW 315°
- Humidity: 61%
- Pressure: 30.15"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 2 am
- 46°F
- Feels like:46°F
Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 1mphWSW 243°
- Humidity: 74%
- Pressure: 30.15"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 4 am
- 43°F
- Feels like:43°F
Mostly Clear
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 1mphWSW 252°
- Humidity: 79%
- Pressure: 30.15"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 am
- 41°F
- Feels like:41°F
Mostly Clear
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 2mphWNW 281°
- Humidity: 83%
- Pressure: 30.15"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunrise: 7:18 am
- 8 am
- 39°F
- Feels like:39°F
Sunny
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 1mphNNW 349°
- Humidity: 90%
- Pressure: 30.18"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 am
- 50°F
- Feels like:50°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 2mphNNW 344°
- Humidity: 58%
- Pressure: 30.18"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 12 pm
- 59°F
- Feels like:59°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 4mphN 357°
- Humidity: 40%
- Pressure: 30.12"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 2 pm
- 64°F
- Feels like:64°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 6mphN 357°
- Humidity: 29%
- Pressure: 30.06"Hg
- Visibility: 10mi
- UV index: 2
- details ▼
- 4 pm
- 66°F
- Feels like:66°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 6mphN 355°
- Humidity: 26%
- Pressure: 30"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 6 pm
- 61°F
- Feels like:61°F
Mostly Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 6mphNNW 340°
- Humidity: 31%
- Pressure: 29.97"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 6:05 pm
- 8 pm
- 54°F
- Feels like:52°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 4mphNW 315°
- Humidity: 45%
- Pressure: 29.94"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 50°F
- Feels like:50°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 3mphNW 324°
- Humidity: 53%
- Pressure: 29.94"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Tomorrow, a combination of gloomy and dry and sunny weather is anticipated.
The temperature will vary between a minimum of 39.2°F and a maximum of 66.2°F. The warmest part of the day will be from 3 pm to 5 pm.
Tomorrow, expect temperatures a few degrees higher than what is usual for October. Tomorrow, the temperature is expected to be also relatively lower than October's normal minimum of 46.6°F.
The temperature will vary between a minimum of 39.2°F and a maximum of 66.2°F. The warmest part of the day will be from 3 pm to 5 pm.
Tomorrow, expect temperatures a few degrees higher than what is usual for October. Tomorrow, the temperature is expected to be also relatively lower than October's normal minimum of 46.6°F.
Updated: Oct 17, 2026 @ 16:11:08 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, a bright and mostly cloud-free sky is in store.
Tomorrow, the highest temperature will be 68°F, while the lowest temperature will be 42.8°F.
Tomorrow, the highest temperature will be a couple of degrees higher than the average maximum temperature in October. The lowest temperature will be also relatively lower than the average low of 46.6°F.
Tomorrow, the highest temperature will be a couple of degrees higher than the average maximum temperature in October. The lowest temperature will be also relatively lower than the average low of 46.6°F.
On Sunday, in Richland, sunrise will be at 7:18 am and sunset at 6:05 pm (PDT).
Tomorrow, the daylight will last for 10h and 47min.





