Weather WorldUpper 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: 800 PM PDT Thu Oct 15 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 37 to 45. Southeast winds 10 to 20 mph with gusts to around 40 mph.
Friday... Sunny. Highs 61 to 71. Southeast winds up to 15 mph. Gusts up to 40 mph Decreasing to 30 mph in the afternoon.
Friday Night... Mostly clear. Lows 38 to 46. Light winds.
Saturday... Sunny. Highs 58 to 68. Light winds.
Saturday Night... Clear. Lows 36 to 44. Light winds.
Sunday... Sunny. Highs 54 to 64.
Sunday Night... Clear, colder. Lows 30 to 36.
Monday... Mostly sunny. Highs 43 to 53.
Monday Night... Mostly cloudy with a slight chance of snow. Lows 25 to 31.
Tuesday... Mostly cloudy with a chance of rain and snow. Highs 37 to 47.
Tuesday Night... Mostly cloudy with a slight chance of rain and snow. Lows around 29.
Wednesday... Partly cloudy with a chance of rain and snow. Highs 39 to 49.
Wednesday Night... Partly cloudy with a slight chance of rain and snow. Lows around 29.
POP = Probability of Precipitation
Upper Twin Lake Radar Loop
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