Weather WorldJohnsville, CA 7-Day Night Weather Forecast
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Johnsville, CA Weather Forecast
Johnsville, CA Weather Forecast Date: 231 PM PST Sat Nov 07 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 becoming mostly cloudy. Lows 28 to 38. Light winds.
Sunday... Mostly cloudy. Highs 58 to 68. Light winds becoming southwest around 10 mph in the afternoon.
Sunday Night... Mostly cloudy. Lows 28 to 38. Light winds.
Monday... Mostly cloudy in the morning then becoming partly cloudy. Highs 57 to 67. Light winds becoming southwest around 10 mph in the afternoon.
Monday Night... Partly cloudy in the evening then clearing. Lows 26 to 36. Southwest winds around 10 mph in the evening becoming light.
Tuesday... Sunny. Highs 58 to 68.
Tuesday Night... Clear. Lows 29 to 39.
Veterans Day... Clear. Highs 59 to 69. Lows 29 to 39.
Wednesday Night... Clear. Highs 59 to 69. Lows 29 to 39.
Thursday... Partly cloudy. Highs 57 to 67. Lows 27 to 37.
Thursday Night... Partly cloudy. Highs 57 to 67. Lows 27 to 37.
Friday... Partly cloudy. Chance of rain and snow. Highs 53 to 63.
Friday Night... Mostly cloudy with a chance of rain and snow. Lows 28 to 38. Highs 51 to 61.
POP = Probability of Precipitation
Johnsville Radar Loop
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