Weather WorldDeerheart Lake, CA 7-Day Night Weather Forecast
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Deerheart Lake, CA Weather Forecast
Deerheart Lake, CA Weather Forecast Date: 231 PM PDT Wed Oct 07 2026
The area/counties/county of: Lassen, including the cities of: Portola, Susanville, Westwood, Sierraville, and Loyalton.or toggle through each period.
Tonight... Clear. Lows 43 to 53. Light winds.
Thursday... Sunny. Highs 79 to 89. Light winds becoming southeast around 10 mph in the afternoon.
Thursday Night... Clear. Lows 42 to 52. Light winds.
Friday... Sunny. Highs 78 to 88. Light winds becoming southwest around 10 mph with gusts up to 30 mph in the afternoon.
Friday Night... Clear. Lows 37 to 47. Southwest winds 10 to 15 mph with gusts up to 35 mph.
Saturday... Partly cloudy in the morning then becoming sunny. Highs 66 to 76.
Saturday Night... Clear in the evening then becoming partly cloudy. Lows 26 to 36.
Sunday... Partly cloudy with a chance of showers. Highs 50 to 60.
Sunday Night... Mostly cloudy with a chance of showers. Lows 23 to 33.
Columbus Day... Partly cloudy. Chance of showers. Highs 51 to 61.
Monday Night... Partly cloudy with a slight chance of showers. Lows 24 to 34. Highs 54 to 64.
Tuesday... Partly cloudy with a slight chance of showers. Lows 24 to 34. Highs 54 to 64.
Tuesday Night... Partly cloudy. Lows 26 to 36.
POP = Probability of Precipitation
Deerheart Lake Radar Loop
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