Weather WorldSouth Bay, WA 7-Day Night Weather Forecast
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South Bay, WA Weather Forecast
South Bay, WA Weather Forecast Date: 236 PM PDT Sun Aug 16 2026
The area/counties/county of: Olympia And Southern Puget Sound, including the cities of: Olympia, Shelton, Lacey, and Tumwater.or toggle through each period.
Tonight... Partly cloudy in the evening then becoming mostly cloudy. Patchy fog after midnight. Lows in the 50s. West wind to 10 mph in the evening becoming light.
Monday... Mostly cloudy in the morning then becoming mostly sunny. Patchy fog in the morning. Highs near 80. Light wind.
Monday Night... Mostly clear. Lows in the 50s. West wind to 10 mph becoming southwest after midnight.
Tuesday... Mostly cloudy in the morning then becoming sunny. Highs in the mid 70s to lower 80s. Southwest wind to 10 mph.
Tuesday Night... Partly cloudy. Lows in the 50s. West wind 10 to 15 mph becoming southwest after midnight.
Wednesday... Mostly cloudy in the morning then becoming mostly sunny. Highs in the mid to upper 70s.
Wednesday Night... Partly cloudy. Lows in the lower to mid 50s.
Thursday... Mostly sunny. Highs in the lower 80s.
Thursday Night... Mostly clear. Lows in the mid 50s.
Friday... Mostly cloudy with a slight chance of rain. Highs in the mid to upper 70s.
Friday Night... Mostly cloudy. A slight chance of rain after midnight. Lows in the lower to mid 50s.
Saturday... Mostly cloudy. A chance of rain in the morning, then a slight chance of rain in the afternoon. Highs in the lower 70s.
Saturday Night... Mostly cloudy in the evening, then partly cloudy with a slight chance of rain after midnight. Lows in the lower to mid 50s.
POP = Probability of Precipitation
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