National Weather Service Forecast for: Richland WA
Issued by: National Weather Service Pendleton, OR
Updated: 9:47 pm PST Feb 1, 2026
 
Overnight

Overnight: Partly cloudy, with a low around 35. South wind around 6 mph.
Partly Cloudy

Monday

Monday: A 20 percent chance of rain after 10am.  Mostly cloudy, with a high near 51. Light and variable wind.
Slight Chance
Rain
Monday
Night
Monday Night: Mostly cloudy, with a low around 35. Calm wind.
Mostly Cloudy

Tuesday

Tuesday: Partly sunny, with a high near 50. Calm wind becoming north around 5 mph in the afternoon.
Partly Sunny

Tuesday
Night
Tuesday Night: Patchy fog after 4am.  Otherwise, mostly cloudy, with a low around 36. Light northwest wind.
Mostly Cloudy
then Patchy
Fog
Wednesday

Wednesday: Patchy fog before 10am.  Otherwise, partly sunny, with a high near 51.
Patchy Fog
then Partly
Sunny
Wednesday
Night
Wednesday Night: Partly cloudy, with a low around 35.
Partly Cloudy

Thursday

Thursday: Mostly sunny, with a high near 50.
Mostly Sunny

Thursday
Night
Thursday Night: Partly cloudy, with a low around 35.
Partly Cloudy

Lo 35 °F Hi 51 °F Lo 35 °F Hi 50 °F Lo 36 °F Hi 51 °F Lo 35 °F Hi 50 °F Lo 35 °F

 

Overnight
 
Partly cloudy, with a low around 35. South wind around 6 mph.
Monday
 
A 20 percent chance of rain after 10am. Mostly cloudy, with a high near 51. Light and variable wind.
Monday Night
 
Mostly cloudy, with a low around 35. Calm wind.
Tuesday
 
Partly sunny, with a high near 50. Calm wind becoming north around 5 mph in the afternoon.
Tuesday Night
 
Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 36. Light northwest wind.
Wednesday
 
Patchy fog before 10am. Otherwise, partly sunny, with a high near 51.
Wednesday Night
 
Partly cloudy, with a low around 35.
Thursday
 
Mostly sunny, with a high near 50.
Thursday Night
 
Partly cloudy, with a low around 35.
Friday
 
Partly sunny, with a high near 50.
Friday Night
 
Mostly cloudy, with a low around 36.
Saturday
 
Partly sunny, with a high near 52.
Saturday Night
 
A slight chance of rain. Mostly cloudy, with a low around 40.
Sunday
 
A chance of rain. Mostly cloudy, with a high near 57.

 

Forecast from NOAA-NWS for Richland WA.