National Weather Service Forecast for: Pasco WA
Issued by: National Weather Service Pendleton, OR
Updated: 3:01 pm PDT Sep 12, 2026
 
This
Afternoon
This Afternoon: A 30 percent chance of showers after 5pm. Mostly cloudy, with a high near 80. North wind around 7 mph.
Chance
Showers
 Tonight

Tonight: Showers. Low around 55. Northwest wind 9 to 16 mph becoming southwest after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Showers

 Sunday

Sunday: Showers, mainly before 5pm. High near 64. Southwest wind 15 to 18 mph, with gusts as high as 32 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Showers

 Sunday
Night
Sunday Night: A 30 percent chance of showers before 8pm. Cloudy during the early evening, then gradual clearing, with a low around 53. Southwest wind 8 to 13 mph, with gusts as high as 24 mph.
Chance
Showers then
Mostly Clear
 Monday

Monday: Sunny, with a high near 73. Southwest wind around 8 mph.
Sunny

 Monday
Night
Monday Night: Partly cloudy, with a low around 52.
Partly Cloudy

 Tuesday

Tuesday: Mostly sunny, with a high near 73.
Mostly Sunny

 Tuesday
Night
Tuesday Night: Mostly clear, with a low around 52.
Mostly Clear

 Wednesday

Wednesday: Sunny, with a high near 78.
Sunny
Hi 80 °F Lo 55 °F Hi 64 °F Lo 53 °F Hi 73 °F Lo 52 °F Hi 73 °F Lo 52 °F Hi 78 °F

 

This Afternoon
 
 A 30 percent chance of showers after 5pm. Mostly cloudy, with a high near 80. North wind around 7 mph.
Tonight
 
 Showers. Low around 55. Northwest wind 9 to 16 mph becoming southwest after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
 
 Showers, mainly before 5pm. High near 64. Southwest wind 15 to 18 mph, with gusts as high as 32 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night
 
 A 30 percent chance of showers before 8pm. Cloudy during the early evening, then gradual clearing, with a low around 53. Southwest wind 8 to 13 mph, with gusts as high as 24 mph.
Monday
 
 Sunny, with a high near 73. Southwest wind around 8 mph.
Monday Night
 
 Partly cloudy, with a low around 52.
Tuesday
 
 Mostly sunny, with a high near 73.
Tuesday Night
 
 Mostly clear, with a low around 52.
Wednesday
 
 Sunny, with a high near 78.
Wednesday Night
 
 Clear, with a low around 53.
Thursday
 
 Sunny, with a high near 81.
Thursday Night
 
 Clear, with a low around 55.
Friday
 
 Sunny, with a high near 83.
Friday Night
 
 Mostly clear, with a low around 57.
Saturday
 
 Sunny, with a high near 83.

 

Forecast from NOAA-NWS for Pasco WA.