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Foster Park, WA Weather Forecast
Foster Park, WA Weather Forecast Date: 225 AM PDT Sat Aug 22 2026
The area/counties/county of: Lower Garfield And Asotin Counties, including the cities of: Clarkston and Pomeroy.or toggle through each period.
Today... Partly cloudy. A chance of showers and thunderstorms in the afternoon. Highs in the upper 80s to upper 90s. West wind 5 to 15 mph with gusts up to 20 mph in the afternoon. Chance of precipitation 20%.
Tonight... Partly cloudy. A chance of showers and thunderstorms in the evening. Lows in the upper 50s to lower 60s. West wind 5 to 15 mph with gusts up to 35 mph. Chance of precipitation 30%. Rainfall amounts less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday... Sunny. Highs in the upper 70s to upper 80s. West wind 5 to 15 mph with gusts up to 30 mph.
Sunday Night... Clear. Lows in the 50s.
Monday... Sunny, warmer. Highs in the mid 80s to lower 90s.
Monday Night... Partly cloudy. Lows in the upper 50s to mid 60s. Highs in the 90s.
Tuesday... Partly cloudy. Lows in the upper 50s to mid 60s. Highs in the 90s.
Wednesday... Mostly clear. Highs in the mid 80s to lower 90s. Lows in the mid 50s to mid 60s.
Wednesday Night... Mostly clear. Highs in the mid 80s to lower 90s. Lows in the mid 50s to mid 60s.
Thursday... Mostly clear. Highs in the upper 70s to mid 80s. Lows in the lower 50s to lower 60s.
POP = Probability of Precipitation
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