Knoxville, California Weather
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Weather Forecast for Knoxville, California : Napa County
Issued: 1:26 am PDT Oct 18, 2025 Latitude: 38.8276783 Longitude: -122.3405326 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Sunday Monday Tuesday Wednesday Thursday Friday
Sunny on Today Clear on Tonight Sunny on Sunday Sunny on Monday Sunny on Tuesday Mostly Sunny on Wednesday Mostly Sunny on Thursday 10% chance of rain on Friday
High: 76°F Low: 54°F High: 77°F High: 76°F High: 77°F High: 72°F High: 72°F High: 67°F
Low: 56°F Low: 55°F Low: 52°F Low: 50°F Low: 51°F  
Sunny Clear Sunny Sunny Sunny Mostly Sunny Mostly Sunny Rain
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Current Conditions at
SANTA ROSA - (KSTS)
48°
Clear
as of 3:53 AM PDST
Rel. Humidity: 93%
Dew Point: 46°F
Visibility: 10 Miles
Pressure: 29.99 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
VACAVILLE - (KVCB)
54°
Clear
as of 3:53 AM PDST
Rel. Humidity: 93%
Dew Point: 52°F
Visibility: 10 Miles
Pressure: 30.02 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
SACRAMENTO MET AP - (KSMF)
52°
Clear
Mist
as of 4:20 AM PDST
Rel. Humidity: 93%
Dew Point: 50°F
Visibility: 1 1/2 Miles
Pressure: 30.01 in.
Flight Rule: IFR
Wind Data
3 MPH
310° Northwest
Cloud Level(s): Clear
Current Conditions at
NAPA - (KAPC)
52°
Clear
as of 3:54 AM PDST
Rel. Humidity: 93%
Dew Point: 50°F
Visibility: 10 Miles
Pressure: 30.00 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Sunny on Today Today... Sunny, with a high near 76. North northeast wind 5 to 8 mph becoming southeast in the afternoon.
Clear on Tonight Tonight... Clear, with a low around 54. East southeast wind around 6 mph becoming calm in the evening.
Sunny on Sunday Sunday... Sunny, with a high near 77. Calm wind becoming south southwest around 6 mph in the morning.
Mostly Clear on Sunday Night Sunday Night... Mostly clear, with a low around 56. East wind 8 to 18 mph becoming north in the evening. Winds could gust as high as 30 mph.
Sunny on Monday Monday... Sunny, with a high near 76. North wind 15 to 20 mph decreasing to 9 to 14 mph in the afternoon. Winds could gust as high as 31 mph.
Mostly Clear on Monday Night Monday Night... Mostly clear, with a low around 55.
Sunny on Tuesday Tuesday... Sunny, with a high near 77.
Cloudy on Tuesday Night Tuesday Night... Partly cloudy, with a low around 52.
Mostly Sunny on Wednesday Wednesday... Mostly sunny, with a high near 72.
Cloudy on Wednesday Night Wednesday Night... Partly cloudy, with a low around 50.
Mostly Sunny on Thursday Thursday... Mostly sunny, with a high near 72.
Cloudy on Thursday Night Thursday Night... Partly cloudy, with a low around 51.
10% chance of rain Friday Friday... A slight chance of rain. Partly sunny, with a high near 67.
Current Radar Image


Sun Almanac for Knoxville, California
Sunrise: 07:22 AM
Sunset: 6:26 PM
Civil Sunrise:06:55 AM
Civil Sunset: 6:53 PM
Nautical Sunrise: 06:25 AM
Nautical Sunset: 7:24 PM
Astro Sunrise: 05:54 AM
Astro Sunset: 7:55 PM
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