Gem Lake, WA 7-Day Night Weather Forecast
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Gem Lake, WA Weather Forecast


Gem Lake, WA Weather Forecast Date: 236 PM PDT Sat Aug 15 2026
The area/counties/county of: Cascades Of Southern King County, including the city of Snoqualmie Pass.or toggle through each period.
Tonight... Mostly cloudy. A slight chance of thunderstorms in the evening. Patchy fog after midnight. Snow level near 11000 feet. Light wind in the passes.
Sunday... Cloudy in the morning then becoming partly sunny. Patchy fog in the morning. Freezing level near 13000 feet. Afternoon pass temperatures in the lower 70s. Light wind in the passes.
Sunday Night... Mostly cloudy. Patchy fog in the morning. Freezing level near 13500 feet. Light wind in the passes.
Monday... Mostly cloudy in the morning then becoming mostly sunny. Freezing level near 13500 feet. Afternoon pass temperatures in the mid 70s. Light wind in the passes.
Monday Night... Partly cloudy. Freezing level near 13500 feet. Light wind in the passes.
Tuesday... Mostly sunny. Freezing level near 13000 feet.
Tuesday Night... Partly cloudy. Freezing level near 13500 feet.
Wednesday... Mostly cloudy in the morning then becoming mostly sunny. Freezing level near 14000 feet.
Wednesday Night... Partly cloudy. Freezing level near 14500 feet.
Thursday... Partly sunny in the morning then becoming sunny. Freezing level near 14500 feet.
Thursday Night... Partly cloudy. A slight chance of rain after midnight. Snow level near 10500 feet.
Friday... Mostly sunny. A slight chance of rain in the afternoon. Snow level near 11000 feet.
Friday Night... Mostly cloudy with a slight chance of rain. Snow level near 11000 feet.
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