Upper Twin Lake, CA 7-Day Night Weather Forecast
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Upper Twin Lake, CA Weather Forecast


Upper Twin Lake, CA Weather Forecast Date: 1132 PM PDT Thu Aug 06 2026
The area/counties/county of: Lassen Volcanic County Np, including the city of Lassen National Park.or toggle through each period.
Tonight... Clear. Lows 53 to 61. Southwest winds up to 10 mph. Gusts up to 20 mph in the evening.
Friday... Sunny. Highs 77 to 87. Southwest winds up to 10 mph. Gusts up to 20 mph in the afternoon.
Friday Night... Clear. Lows 56 to 64. West winds up to 10 mph.
Saturday... Sunny. Highs 77 to 87. Southwest winds up to 10 mph. Gusts up to 20 mph in the afternoon.
Saturday Night... Clear. Lows 54 to 62. West winds up to 10 mph with gusts to around 20 mph in the evening becoming light.
Sunday... Sunny. Highs 76 to 86.
Sunday Night... Clear. Lows 53 to 61.
Monday... Clear. Highs 72 to 82. Lows 50 to 60.
Tuesday... Clear. Highs 72 to 82. Lows 50 to 60.
Wednesday... Clear. Highs 72 to 82. Lows 50 to 60.
POP = Probability of Precipitation
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