Weather WorldThornton Lake, WA 7-Day Night Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Weather Quote O' the Day
Thornton Lake, WA Weather Forecast
Thornton Lake, WA Weather Forecast Date: 236 PM PDT Mon Aug 03 2026
The area/counties/county of: Cascades Of Snohomish And Northern King Counties, including the city of Stevens Pass.or toggle through each period.
Tonight... Clear. Patchy smoke in the evening. Smoke after midnight. Freezing level near 12500 feet. Lows in the upper 40s. Light wind.
Tuesday... Sunny, smoke. Freezing level near 13500 feet. Afternoon pass temperatures around 80. Light wind.
Tuesday Night... Mostly clear. Patchy smoke until early morning, then smoke in the morning. Freezing level near 15000 feet. Lows in the lower 50s. Light wind.
Wednesday... Sunny. Smoke in the morning. Freezing level near 16000 feet. Afternoon pass temperatures in the mid 80s. Light wind.
Wednesday Night... Mostly clear. Freezing level near 16000 feet. Lows in the upper 50s. Light wind.
Thursday... Sunny. Freezing level near 16000 feet. Afternoon pass temperatures in the mid 80s.
Thursday Night... Mostly clear. Freezing level near 15500 feet. Lows in the mid 50s.
Friday... Sunny. Freezing level near 14000 feet. Afternoon pass temperatures in the upper 70s.
Friday Night... Mostly clear. Freezing level near 15000 feet. Lows in the lower 50s.
Saturday... Sunny. Freezing level near 14000 feet. Afternoon pass temperatures around 70.
Saturday Night... Mostly clear. Freezing level near 13500 feet. Lows in the upper 40s.
Sunday... Sunny. Freezing level near 13000 feet. Afternoon pass temperatures in the upper 60s.
Sunday Night... Partly cloudy. Freezing level near 12500 feet. Lows in the upper 40s.
POP = Probability of Precipitation
Thornton Lake Radar Loop
Use the map search tool if you want to place a location marker on the radar map...