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 PM 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.
Tonight... Partly cloudy. Areas of smoke. Lows 45 to 55. West winds 10 to 15 mph in the evening becoming light.
Thursday... Partly cloudy in the morning, then mostly cloudy with a chance of showers and thunderstorms in the afternoon. Areas of smoke through the day. Highs 76 to 86. Light winds becoming southwest 10 to 15 mph in the afternoon.
Thursday Night... Mostly cloudy with a slight chance of showers and thunderstorms in the evening, then partly cloudy after midnight. Areas of smoke through the night. 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. West winds 10 to 15 mph in the evening becoming light.
Saturday... Sunny. Highs 78 to 88.
Saturday Night... Clear. Lows 40 to 50.
Sunday... Partly cloudy. Highs 79 to 89. Lows 43 to 53.
Monday... Partly cloudy. Highs 79 to 89. Lows 43 to 53.
Tuesday... Partly cloudy. Highs 79 to 89. Lows 43 to 53.
Tuesday Night... Partly cloudy in the evening then becoming mostly cloudy. Slight chance of showers. Lows 42 to 52.
POP = Probability of Precipitation
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