National Weather Service Forecast for: Richland WA
Issued by: National Weather Service Pendleton, OR
Updated: 3:01 pm PDT Jul 28, 2026
 
Tonight

Tonight: Clear, with a low around 59. West wind 6 to 11 mph becoming light after midnight. Winds could gust as high as 20 mph.
Clear
 Wednesday

Wednesday: Sunny, with a high near 90. Light and variable wind.
Sunny
 Wednesday
Night
Wednesday Night: Mostly clear, with a low around 60. Light southwest wind.
Mostly Clear
 Thursday

Thursday: Sunny, with a high near 92. Southwest wind 3 to 7 mph.
Sunny
 Thursday
Night
Thursday Night: Mostly clear, with a low around 60. Southwest wind 5 to 8 mph.
Mostly Clear
 Friday

Friday: Sunny, with a high near 96.
Sunny
 Friday
Night
Friday Night: Clear, with a low around 65.
Clear
 Saturday

Saturday: Sunny, with a high near 90.
Sunny
 Saturday
Night
Saturday Night: Clear, with a low around 55.
Clear
Lo 59 °F Hi 90 °F Lo 60 °F Hi 92 °F Lo 60 °F Hi 96 °F Lo 65 °F Hi 90 °F Lo 55 °F

 

Tonight
 
 Clear, with a low around 59. West wind 6 to 11 mph becoming light after midnight. Winds could gust as high as 20 mph.
Wednesday
 
 Sunny, with a high near 90. Light and variable wind.
Wednesday Night
 
 Mostly clear, with a low around 60. Light southwest wind.
Thursday
 
 Sunny, with a high near 92. Southwest wind 3 to 7 mph.
Thursday Night
 
 Mostly clear, with a low around 60. Southwest wind 5 to 8 mph.
Friday
 
 Sunny, with a high near 96.
Friday Night
 
 Clear, with a low around 65.
Saturday
 
 Sunny, with a high near 90.
Saturday Night
 
 Clear, with a low around 55.
Sunday
 
 Sunny, with a high near 82.
Sunday Night
 
 Clear, with a low around 55.
Monday
 
 Sunny, with a high near 85.
Monday Night
 
 Clear, with a low around 60.
Tuesday
 
 Sunny, with a high near 92.

 

Forecast from NOAA-NWS for Richland WA.