NWS Forecast for Pasco WA

National Weather Service Forecast for: Pasco WA
Issued by: National Weather Service Pendleton, OR

Updated: 4:01 am PDT May 26, 2026

Overnight Slight Chance Showers	Tuesday Slight Chance Showers then Mostly Cloudy	Tuesday Night Chance Showers	Wednesday Mostly Sunny	Wednesday Night Partly Cloudy	Thursday Slight Chance Showers then Chance T-storms	Thursday Night Chance T-storms then Chance Showers	Friday Chance Showers	Friday Night Mostly Cloudy
Lo 52 °F	Hi 69 °F	Lo 50 °F	Hi 84 °F	Lo 57 °F	Hi 91 °F	Lo 57 °F	Hi 79 °F	Lo 49 °F

Overnight	A 20 percent chance of showers. Cloudy, with a steady temperature around 52. Southwest wind around 7 mph.
Tuesday	A 20 percent chance of showers before 11am. Cloudy, with a high near 69. South wind around 6 mph.
Tuesday Night	A 40 percent chance of showers, mainly between 11pm and 2am. Mostly cloudy, with a low around 50. South wind 3 to 6 mph.
Wednesday	Mostly sunny, with a high near 84. Light and variable wind.
Wednesday Night	Partly cloudy, with a low around 57. South wind around 5 mph becoming calm in the evening.
Thursday	A slight chance of showers between 11am and 5pm, then a chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 91. Chance of precipitation is 30%.
Thursday Night	A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 57.
Friday	A chance of showers, with thunderstorms also possible after 11am. Partly sunny, with a high near 79. Chance of precipitation is 40%.
Friday Night	Mostly cloudy, with a low around 49.
Saturday	Mostly sunny, with a high near 75.
Saturday Night	Mostly clear, with a low around 48.
Sunday	Sunny, with a high near 76.
Sunday Night	Mostly clear, with a low around 49.
Monday	Sunny, with a high near 84.

Forecast from NOAA-NWS for Pasco WA.