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Genesee, CA Weather Forecast
Genesee, CA Weather Forecast Date: 231 PM PDT Tue Oct 27 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 18 to 28. Northwest winds around 10 mph in the evening becoming light.
Wednesday... Sunny. Highs 53 to 63. Light winds.
Wednesday Night... Clear in the evening then becoming partly cloudy. Lows 22 to 32. Light winds.
Thursday... Mostly cloudy in the morning then becoming partly cloudy. Highs 52 to 62. Light winds.
Thursday Night... Mostly cloudy. Lows 22 to 32. Light winds.
Friday... Mostly cloudy in the morning then clearing. Highs 51 to 61.
Friday Night... Partly cloudy. Lows 24 to 34.
Saturday... Mostly cloudy with a chance of rain and snow. Highs 46 to 56. Lows 21 to 31.
Saturday Night... Mostly cloudy with a chance of rain and snow. Highs 46 to 56. Lows 21 to 31.
Sunday... Partly cloudy with a slight chance of rain and snow in the morning, then sunny in the afternoon. Highs 45 to 55.
Sunday Night... Clear. Lows 20 to 30.
Monday... Partly cloudy. Highs 51 to 61. Lows 25 to 35.
POP = Probability of Precipitation
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