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City of Prosser, WAProsser, WA 7-Day Night Weather Forecast
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Prosser, WA Weather Forecast
Prosser, WA Weather Forecast Date: 401 AM PDT Wed Sep 30 2026
The area/counties/county of: Lower Columbia Basin Of Washington, Cities.or toggle through each period.
Today... Partly cloudy. Highs in the lower to mid 70s. West wind 5 to 10 mph.
Tonight... Partly cloudy. Lows in the upper 40s to lower 50s. Light wind.
Thursday... Mostly cloudy in the morning then clearing. Highs in the mid 70s. Light wind.
Thursday Night... Partly cloudy. Lows in the upper 40s to lower 50s. Light wind.
Friday... Sunny. Highs in the mid to upper 70s. Light wind.
Friday Night... Mostly clear. Lows in the upper 40s to mid 50s. Highs in the mid 70s to lower 80s.
Saturday... Mostly clear. Lows in the upper 40s to mid 50s. Highs in the mid 70s to lower 80s.
Sunday... Mostly clear. Lows in the upper 40s to mid 50s. Highs in the mid 70s to lower 80s.
Monday... Mostly clear. Lows in the upper 40s to mid 50s. Highs in the mid 70s to lower 80s.
POP = Probability of Precipitation
Prosser Radar Loop
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