Weather WorldTrail Lake, CA 7-Day Night Weather Forecast
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Trail Lake, CA Weather Forecast
Trail Lake, CA Weather Forecast Date: 231 AM PDT Wed Aug 12 2026
The area/counties/county of: Lassen, including the cities of: Portola, Susanville, Westwood, Sierraville, and Loyalton.or toggle through each period.
Today... Partly cloudy. Highs 84 to 94. Light winds becoming southwest 10 to 15 mph in the afternoon.
Tonight... Mostly cloudy in the evening then becoming partly cloudy. Lows 45 to 55. West winds 10 to 15 mph in the evening becoming light.
Thursday... Partly cloudy. Slight chance of showers and thunderstorms in the afternoon. Highs 77 to 87. Light winds becoming southwest 10 to 15 mph in the afternoon.
Thursday Night... Partly cloudy with a slight chance of showers and thunderstorms in the evening, then clear after midnight. Lows 41 to 51. Southwest winds 10 to 15 mph in the evening becoming light.
Friday... Sunny. Highs 77 to 87. Light winds becoming southwest around 10 mph in the afternoon.
Friday Night... Clear. Lows 40 to 50.
Saturday... Sunny. Highs 78 to 88.
Saturday Night... Partly cloudy in the evening then becoming clear. Lows 40 to 50.
Sunday... Partly cloudy in the morning then becoming sunny. Highs 79 to 89.
Sunday Night... Partly cloudy. Lows 42 to 52. Highs 78 to 88.
Monday... Partly cloudy. Lows 42 to 52. Highs 78 to 88.
Monday Night... Partly cloudy. Slight chance of showers after midnight. Lows 42 to 52.
POP = Probability of Precipitation
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