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Copalis State, WA Weather Forecast
Copalis State, WA Weather Forecast Date: 136 PM PST Tue Nov 03 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... Mostly cloudy in the evening then becoming partly cloudy. Patchy fog after midnight. Lows in the mid 30s to lower 40s. Light wind.
Wednesday... Mostly sunny in the morning then becoming mostly cloudy. Patchy fog in the morning. Highs in the mid 50s to lower 60s. Light wind.
Wednesday Night... A chance of rain in the evening, then rain at times late in the evening. A chance of rain after midnight. Rainfall amounts a tenth to a quarter of an inch possible. Lows in the 40s. South wind to 10 mph increasing to 10 to 15 mph after midnight. Gusts to 30 mph.
Thursday... Partly sunny with a slight chance of rain. Highs in the mid 50s to lower 60s. South wind 10 to 15 mph.
Thursday Night... Mostly cloudy with a slight chance of rain in the evening, then cloudy with rain likely after midnight. Rainfall amounts less than a tenth of an inch likely. Lows in the 40s. Light wind becoming south to 10 mph after midnight.
Friday... Rain at times in the morning, then rain likely in the afternoon. Highs in the mid to upper 50s.
Friday Night... Mostly cloudy with a chance of rain. Lows in the mid 40s.
Saturday... Mostly cloudy. A chance of rain in the morning, then a slight chance of rain in the afternoon. Highs near 60.
Saturday Night... Breezy. Mostly cloudy with a chance of rain in the evening, then mostly cloudy with rain at times after midnight. Lows in the upper 40s.
Sunday... Cloudy with rain likely in the morning, then mostly cloudy with a chance of rain in the afternoon. Highs in the mid to upper 50s.
Sunday Night... Mostly cloudy with a slight chance of rain. Lows in the lower 40s.
Monday... Mostly cloudy with a chance of rain. Highs in the mid to upper 50s.
Monday Night... Rain likely. Lows in the mid to upper 40s.
POP = Probability of Precipitation
Copalis State Radar Loop
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