Weather WorldCalneva Lake, CA 7-Day Night Weather Forecast
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Calneva Lake, CA Weather Forecast
Calneva Lake, CA Weather Forecast Date: 231 AM PDT Mon Sep 07 2026
The area/counties/county of: Lassen, including the cities of: Portola, Susanville, Westwood, Sierraville, and Loyalton.or toggle through each period.
Today... Sunny. Highs 67 to 77. Light winds becoming southeast around 10 mph in the afternoon.
Tonight... Clear. Lows 39 to 49. Light winds.
Tuesday... Sunny. Highs 75 to 85. Light winds becoming southeast around 10 mph in the afternoon.
Tuesday Night... Clear in the evening then becoming partly cloudy. Lows 44 to 54. Light winds.
Wednesday... Mostly cloudy in the morning then becoming partly cloudy. Highs 79 to 89. Light winds becoming southeast around 10 mph in the afternoon.
Wednesday Night... Mostly cloudy. Lows 49 to 59.
Thursday... Mostly cloudy in the morning then clearing. Highs 82 to 92.
Thursday Night... Clear. Lows 45 to 55. Highs 79 to 89.
Friday... Clear. Lows 45 to 55. Highs 79 to 89.
Saturday... Clear. Highs 70 to 80. Lows 39 to 49.
POP = Probability of Precipitation
Calneva Lake Radar Loop
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