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Cowboy Lake, CA 7-Day Night Weather Forecast
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Cowboy Lake, CA Weather Forecast
Cowboy Lake, CA Weather Forecast Date: 231 AM PDT Sat Aug 22 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 84 to 94. Southwest winds around 10 mph increasing to 15 to 20 mph with gusts up to 35 mph in the afternoon.
Tonight... Clear in the evening then becoming partly cloudy. Lows 43 to 53. Southwest winds 10 to 15 mph with gusts up to 35 mph in the evening becoming light.
Sunday... Partly cloudy. Highs 83 to 93. Light winds becoming southwest 10 to 15 mph in the afternoon.
Sunday Night... Partly cloudy. Lows 46 to 56. Southwest winds around 10 mph in the evening becoming light.
Monday... Partly cloudy. Slight chance of showers in the afternoon. Highs 83 to 93. Light winds becoming southwest 10 to 15 mph in the afternoon.
Monday Night... Clear. Lows 45 to 55.
Tuesday... Partly cloudy. Highs 83 to 93. Lows 43 to 53.
Tuesday Night... Partly cloudy. Highs 83 to 93. Lows 43 to 53.
Wednesday... Clear. Highs 83 to 93. Lows 42 to 52.
Thursday... Clear. Highs 83 to 93. Lows 42 to 52.
POP = Probability of Precipitation
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