Weather WorldTumwater Lake, WA 7-Day Night Weather Forecast
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Tumwater Lake, WA Weather Forecast
Tumwater Lake, WA Weather Forecast Date: 236 AM PDT Fri Aug 07 2026
The area/counties/county of: Cascades Of Snohomish And Northern King Counties, including the city of Stevens Pass.or toggle through each period.
Today... Sunny. Freezing level near 15500 feet. Afternoon pass temperatures in the mid 70s. Light wind becoming west around 10 mph with gusts to 20 mph in the afternoon.
Tonight... Partly cloudy. Freezing level near 15500 feet. Lows in the lower 50s. West wind in the passes around 10 mph with gusts to 20 mph in the evening becoming light.
Saturday... Partly sunny. Freezing level near 14500 feet. Afternoon pass temperatures in the lower 70s. Light wind becoming west around 10 mph in the afternoon, gusts to 20 mph in the afternoon.
Saturday Night... Mostly clear. Freezing level near 14000 feet. Lows around 50. West wind in the passes around 10 mph with gusts to 20 mph in the evening becoming light.
Sunday... Sunny. Freezing level near 13500 feet. Afternoon pass temperatures around 70. Light wind.
Sunday Night... Partly cloudy. Freezing level near 13000 feet. Lows in the upper 40s.
Monday... Sunny. Freezing level near 13500 feet. Afternoon pass temperatures in the upper 60s.
Monday Night... Mostly clear. Freezing level near 14000 feet. Lows in the upper 40s.
Tuesday... Sunny. Freezing level near 14000 feet. Afternoon pass temperatures in the upper 60s.
Tuesday Night... Mostly clear. Freezing level near 14500 feet. Lows in the upper 40s.
Wednesday... Mostly sunny. Freezing level near 14500 feet. Afternoon pass temperatures in the upper 60s.
Wednesday Night... Partly cloudy. Freezing level near 15000 feet. Lows in the upper 40s.
POP = Probability of Precipitation
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