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Foster, WA Weather Forecast
Foster, WA Weather Forecast Date: 236 PM PDT Sun Sep 13 2026
The area/counties/county of: Foothills And Valleys Of The Thurston And Lewis County Cascades, including the cities of: Randle, Packwood, and Morton.or toggle through each period.
Tonight... Mostly cloudy. A chance of rain in the evening. Lows near 50. Southwest wind to 10 mph becoming south after midnight. Gusts to 20 mph.
Monday... Partly sunny. Patchy fog late in the morning. Highs in the mid to upper 60s. Light wind.
Monday Night... Partly cloudy in the evening then becoming mostly cloudy. Patchy fog after midnight. Lows in the mid 40s to lower 50s. Light wind.
Tuesday... Mostly cloudy. Patchy fog in the morning. Highs in the mid to upper 60s. Light wind.
Tuesday Night... Mostly clear. Lows in the mid 40s to lower 50s. Light wind.
Wednesday... Sunny. Highs in the mid to upper 70s.
Wednesday Night... Clear. Lows near 50.
Thursday... Sunny. Highs near 80.
Thursday Night... Clear. Lows in the lower 50s.
Friday... Sunny. Highs near 80.
Friday Night... Mostly clear. Lows in the lower 50s.
Saturday... Mostly sunny. Highs in the mid 70s.
Saturday Night... Partly cloudy. Lows near 50.
POP = Probability of Precipitation
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