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Cypress Lake, CA 7-Day Night Weather Forecast
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Cypress Lake, CA Weather Forecast
Cypress Lake, CA Weather Forecast Date: 231 AM PDT Mon Oct 26 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 in the morning then clearing. Highs 54 to 64. Southwest winds around 10 mph increasing to west 15 to 25 mph with gusts up to 40 mph in the afternoon.
Tonight... Clear. Lows 21 to 31. West winds around 10 mph with gusts up to 30 mph in the evening becoming light.
Tuesday... Sunny. Highs 51 to 61. Light winds becoming west around 10 mph in the afternoon.
Tuesday Night... Clear. Lows 18 to 28. Northwest winds around 10 mph in the evening becoming light.
Wednesday... Sunny. Highs 54 to 64. Light winds.
Wednesday Night... Clear in the evening then becoming partly cloudy. Lows 21 to 31.
Thursday... Partly cloudy. Highs 54 to 64. Lows 27 to 37.
Friday... Partly cloudy. Highs 54 to 64. Lows 27 to 37.
Saturday... Mostly cloudy with a chance of snow and rain. Highs 44 to 54. Lows 23 to 33.
POP = Probability of Precipitation
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