Weather WorldOlallie Lake, WA 7-Day Night Weather Forecast
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Olallie Lake, WA Weather Forecast
Olallie Lake, WA Weather Forecast Date: 236 AM PDT Fri Aug 21 2026
The area/counties/county of: Cascades Of Southern King County, including the city of Snoqualmie Pass.or toggle through each period.
Today... Partly sunny until late afternoon then becoming cloudy. Freezing level near 14500 feet. Afternoon pass temperatures in the mid 80s. Light wind in the passes.
Tonight... Cloudy. A slight chance of showers in the morning. Snow level near 12500 feet. Light wind in the passes.
Saturday... Mostly cloudy. A chance of showers in the morning. A slight chance of thunderstorms through the day. A chance of showers early in the afternoon. Snow level near 12000 feet. Afternoon pass temperatures in the mid 60s. Light wind in the passes becoming west around 10 mph in the afternoon, gusts to 20 mph in the afternoon.
Saturday Night... Mostly cloudy with a slight chance of showers. Snow level near 9500 feet. West wind in the passes around 10 mph with gusts to 25 mph.
Sunday... Cloudy in the morning then becoming partly sunny. Freezing level near 11500 feet. Afternoon pass temperatures in the lower 60s. Light wind in the passes.
Sunday Night... Partly cloudy. Freezing level near 13000 feet.
Monday... Mostly sunny. Freezing level near 13500 feet.
Monday Night... Mostly clear. Freezing level near 13500 feet.
Tuesday... Mostly sunny. Freezing level near 14000 feet.
Tuesday Night... Partly cloudy. A slight chance of showers after midnight. Snow level near 10500 feet.
Wednesday... Mostly sunny. Freezing level near 12000 feet.
Wednesday Night... Partly cloudy in the evening then becoming mostly cloudy. A slight chance of showers. Snow level near 9000 feet.
POP = Probability of Precipitation
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