Johnstonville, California Weather
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Weather Forecast for Johnstonville, California : Lassen County
Issued: 10:15 pm PDT Sep 15, 2025 Latitude: 40.3843408 Longitude: -120.5874483 View on Google Maps

MouseOver for Detail Forecast
Overnight Tuesday Wednesday Thursday Friday Saturday Sunday Monday
Mostly Clear on Overnight Sunny on Tuesday Sunny on Wednesday Mostly Sunny on Thursday 10% chance of on Friday 10% chance of rain on Saturday Sunny on Sunday Sunny on Monday
Low: 44°F High: 86°F High: 89°F High: 88°F High: 83°F High: 83°F High: 84°F High: 85°F
Low: 48°F Low: 49°F Low: 52°F Low: 49°F Low: 48°F Low: 49°F  
Mostly Clear Sunny Sunny Mostly Sunny Partly Sunny Rain Sunny Sunny
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Current Conditions at
RENO - (KRNO)
64°
Clear
as of 11:55 PM PDST
Rel. Humidity: 34%
Dew Point: 36°F
Visibility: 10 Miles
Pressure: 30.14 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
ALTURAS - (KAAT)
52°
Clear
as of 11:55 PM PDST
Rel. Humidity: 57%
Dew Point: 37°F
Visibility: 10 Miles
Pressure: 30.15 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
BLUE CANYON - (KBLU)
64°
Clear
as of 11:52 PM PDST
Rel. Humidity: 36%
Dew Point: 37°F
Visibility: 10 Miles
Pressure: 30.17 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
TRUCKEE - (KTRK)
45°
Clear
as of 12:35 AM PDST
Rel. Humidity: 75%
Dew Point: 37°F
Visibility: 10 Miles
Pressure: 30.24 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Mostly Clear on Overnight Overnight... Mostly clear, with a low around 44. Calm wind.
Sunny on Tuesday Tuesday... Sunny, with a high near 86. Calm wind becoming east around 5 mph in the afternoon.
Mostly Clear on Tuesday Night Tuesday Night... Mostly clear, with a low around 48. Southeast wind around 5 mph becoming calm in the evening.
Sunny on Wednesday Wednesday... Sunny, with a high near 89. Calm wind becoming east around 5 mph in the afternoon.
Mostly Clear on Wednesday Night Wednesday Night... Mostly clear, with a low around 49. East wind around 5 mph becoming calm in the evening.
Mostly Sunny on Thursday Thursday... Mostly sunny, with a high near 88. Calm wind becoming east around 5 mph in the afternoon.
Mostly Cloudy on Thursday Night Thursday Night... Mostly cloudy, with a low around 52.
10% chance of Friday Friday... A slight chance of showers after 11am. Partly sunny, with a high near 83.
10% chance of rain Friday Night Friday Night... A slight chance of showers before 11pm. Mostly cloudy, with a low around 49.
10% chance of rain Saturday Saturday... A slight chance of showers after 11am. Mostly sunny, with a high near 83.
Cloudy on Saturday Night Saturday Night... Partly cloudy, with a low around 48.
Sunny on Sunday Sunday... Sunny, with a high near 84.
Mostly Clear on Sunday Night Sunday Night... Mostly clear, with a low around 49.
Sunny on Monday Monday... Sunny, with a high near 85.
Current Radar Image


Sun Almanac for Johnstonville, California
Sunrise: 06:45 AM
Sunset: 7:09 PM
Civil Sunrise:06:17 AM
Civil Sunset: 7:36 PM
Nautical Sunrise: 05:45 AM
Nautical Sunset: 8:09 PM
Astro Sunrise: 05:13 AM
Astro Sunset: 8:41 PM
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