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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 PM PDT Wed Sep 02 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.
Tonight... Mostly cloudy with a chance of rain. Lows in the upper 40s to mid 50s. South wind 10 to 15 mph with gusts to 25 mph.
Thursday... Mostly cloudy with a chance of rain in the morning, then partly sunny with a chance of showers and a slight chance of thunderstorms in the afternoon. Highs in the upper 50s to mid 60s. South wind to 10 mph.
Thursday Night... Mostly cloudy. A slight chance of rain in the evening. Lows in the upper 40s to mid 50s. Light wind.
Friday... Partly sunny. A slight chance of thunderstorms in the afternoon. Highs in the 60s. Light wind.
Friday Night... Mostly cloudy. Lows in the upper 40s to mid 50s. Light wind.
Saturday... Mostly cloudy in the morning, then mostly sunny with a slight chance of rain in the afternoon. Highs in the lower to mid 70s.
Saturday Night... Partly cloudy. Lows in the lower to mid 50s.
Sunday... Mostly sunny. Highs in the 70s.
Sunday Night... Mostly clear. Lows in the mid 50s.
Labor Day... Mostly sunny. A slight chance of rain in the morning. Highs in the lower to mid 70s.
Monday Night... Partly cloudy. Lows in the mid 50s.
Tuesday... Mostly cloudy. Highs in the lower to mid 70s.
Tuesday Night... Mostly clear. Lows in the mid 50s.
POP = Probability of Precipitation
Sumner Radar Loop
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