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City of Rainier, WARainier, WA 7-Day Night Weather Forecast
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Rainier, WA Weather Forecast
Rainier, WA Weather Forecast Date: 236 PM PDT Fri Sep 11 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... Cloudy. Lows in the upper 40s to mid 50s. Light wind.
Saturday... Cloudy. A chance of rain late in the afternoon. Highs near 70. Light wind.
Saturday Night... Showers likely and a slight chance of thunderstorms in the evening, then rain after midnight. Rainfall amounts a half inch to one inch possible, except higher amounts possible in thunderstorms. Lows in the lower to mid 50s. West wind to 10 mph with gusts to 20 mph becoming southwest with gusts to 30 mph after midnight.
Sunday... Cloudy with rain likely in the morning, then partly sunny with a slight chance of rain in the afternoon. Rainfall amounts a quarter to a half inch possible. Highs in the mid to upper 60s. Southwest wind 10 to 15 mph with gusts to 25 mph.
Sunday Night... Partly cloudy in the evening then becoming mostly cloudy. Lows in the upper 40s to mid 50s. Southwest wind 10 to 20 mph with gusts to 30 mph.
Monday... Mostly cloudy in the morning then becoming mostly sunny. Highs near 70.
Monday Night... Partly cloudy. Lows in the upper 40s.
Tuesday... Mostly sunny. Highs in the lower to mid 70s.
Tuesday Night... Mostly clear. Lows near 50.
Wednesday... Sunny. Highs near 80.
Wednesday Night... Clear. Lows in the lower 50s.
Thursday... Sunny. Highs in the lower to mid 80s.
Thursday Night... Clear. Lows in the lower to mid 50s.
POP = Probability of Precipitation
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