Weather WorldAshurst Lake, CA 7-Day Night Weather Forecast
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Ashurst Lake, CA Weather Forecast
Ashurst Lake, CA Weather Forecast Date: 231 PM PDT Mon Sep 21 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 in the evening then clearing. Lows 41 to 51. Northwest winds 10 to 15 mph.
Tuesday... Mostly sunny. Slight chance of showers in the afternoon. Highs 76 to 86. Light winds becoming west around 10 mph in the afternoon.
Tuesday Night... Clear. Lows 40 to 50. West winds around 10 mph in the evening becoming light.
Wednesday... Sunny. Highs 79 to 89. Light winds becoming south around 10 mph in the afternoon.
Wednesday Night... Clear. Lows 41 to 51. West winds around 10 mph in the evening becoming light.
Thursday... Partly cloudy in the morning then becoming sunny. Highs 77 to 87.
Thursday Night... Partly cloudy. Lows 41 to 51.
Friday... Partly cloudy. Highs 71 to 81.
Friday Night... Clear. Lows 36 to 46. Highs 70 to 80.
Saturday... Clear. Lows 36 to 46. Highs 70 to 80.
Saturday Night... Partly cloudy. Lows 36 to 46. Highs 67 to 77.
Sunday... Partly cloudy. Lows 36 to 46. Highs 67 to 77.
Sunday Night... Clear. Lows 33 to 43. Highs 67 to 77.
POP = Probability of Precipitation
Ashurst Lake Radar Loop
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