7-Day Forecast 46.22°N 119.79°W (Text-Only)
NWS Forecast for: Prosser WA
Issued by: National Weather Service Pendleton, OR
Last Update: 11:46 pm PDT Aug 11, 2026




Overnight: Mostly clear, with a low around 55. West wind around 5 mph becoming calm.

Wednesday: Patchy smoke after 8am. Sunny, with a high near 89. Light west wind.

Wednesday Night: Widespread smoke, mainly after 5am. Mostly clear, with a low around 55. West wind around 6 mph becoming calm after midnight.

Thursday: Widespread smoke, mainly before 8am. Sunny, with a high near 88. Calm wind.

Thursday Night: Mostly clear, with a low around 57. Light northwest wind.

Friday: Sunny, with a high near 89.

Friday Night: Partly cloudy, with a low around 57.

Saturday: Mostly sunny, with a high near 91.

Saturday Night: Partly cloudy, with a low around 57.

Sunday: Mostly sunny, with a high near 93.

Sunday Night: Mostly cloudy, with a low around 58.

Monday: Mostly sunny, with a high near 92.

Monday Night: Mostly cloudy, with a low around 57.

Tuesday: Mostly sunny, with a high near 88.



Prosser WA
 46.22°N 119.79°W (Elev. 715 ft)

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