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City of Sumner, WASumner, WA 7-Day Night Weather Forecast
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Sumner, WA Weather Forecast
Sumner, WA Weather Forecast Date: 236 AM PDT Fri Oct 23 2026
The area/counties/county of: Lowlands Of Pierce And Southern King Counties, including the cities of: Seatac, Tacoma, Federal Way, Kent, Lakewood, Puyallup, and Sumner.or toggle through each period.
Today... Mostly sunny. Highs in the 50s to lower 60s. Light wind.
Tonight... Mostly clear. Lows in the mid 30s to lower 40s. Light wind.
Saturday... Mostly cloudy. Highs in the 50s. Light wind.
Saturday Night... Mostly cloudy. A slight chance of rain in the evening, then a chance of rain after midnight. Lows in the upper 30s to mid 40s. North wind to 10 mph in the evening becoming light.
Sunday... Rain likely. Rainfall amounts a tenth to a quarter of an inch possible. Highs in the 50s to lower 60s. Light wind.
Sunday Night... Rain likely. Lows in the lower to mid 40s.
Monday... Mostly cloudy with a chance of rain. Highs in the upper 50s.
Monday Night... Mostly cloudy with a slight chance of rain. Lows in the lower to mid 40s.
Tuesday... Mostly cloudy with a slight chance of rain. Highs in the mid to upper 50s.
Tuesday Night... Mostly cloudy with a slight chance of rain. Lows near 40.
Wednesday... Mostly cloudy with a chance of rain. Highs in the mid to upper 50s.
Wednesday Night... Partly cloudy with a slight chance of rain. Lows near 40.
POP = Probability of Precipitation
Sumner Radar Loop
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