Alten, California Weather
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Weather Forecast for Alten, California : Sonoma County
Issued: 1:26 pm PDT Sep 15, 2025 Latitude: 38.381303 Longitude: -122.8063799 View on Google Maps

MouseOver for Detail Forecast
Tonight Tuesday Wednesday Thursday Friday Saturday Sunday Monday
Clear on Tonight Sunny on Tuesday Sunny on Wednesday Partly Sunny on Thursday 20% chance of on Friday 10% chance of rain on Saturday Fog on Sunday Fog on Monday
Low: 55°F High: 90°F High: 88°F High: 80°F High: 79°F High: 79°F High: 79°F High: 82°F
Low: 54°F Low: 55°F Low: 57°F Low: 56°F Low: 55°F Low: 55°F  
Clear Sunny Sunny Partly Sunny Partly Sunny Rain Fog Fog
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Current Conditions at
SANTA ROSA - (KSTS)
90°
Clear
as of 5:53 PM PDST
Rel. Humidity: 27%
Dew Point: 52°F
Visibility: 10 Miles
Pressure: 29.83 in.
Flight Rule: VFR
Wind Data
8 MPH
200° South
Cloud Level(s): Clear
Current Conditions at
NAPA - (KAPC)
90°
Clear
as of 5:54 PM PDST
Rel. Humidity: 29%
Dew Point: 54°F
Visibility: 10 Miles
Pressure: 29.81 in.
Flight Rule: VFR
Wind Data
7 MPH
230° Southwest
Cloud Level(s): Clear
Current Conditions at
VACAVILLE - (KVCB)
91°
Mostly Cloudy
as of 5:53 PM PDST
Rel. Humidity: 19%
Dew Point: 45°F
Visibility: 10 Miles
Pressure: 29.82 in.
Flight Rule: VFR
Wind Data
5 MPH
050° Northeast
Cloud Level(s): Broken at 11000ft
Current Conditions at
TRAVIS AFB - (KSUU)
93°
Clear
as of 5:55 PM PDST
Rel. Humidity: 17%
Dew Point: 43°F
Visibility: 10 Miles
Pressure: 29.79 in.
Flight Rule: VFR
Wind Data
5 MPH
030° Northeast
Cloud Level(s): Clear
Clear on Tonight Tonight... Clear, with a low around 55. West southwest wind around 6 mph becoming calm in the evening.
Sunny on Tuesday Tuesday... Sunny, with a high near 90. Calm wind becoming southwest 5 to 7 mph in the afternoon.
Clear on Tuesday Night Tuesday Night... Clear, with a low around 54. West southwest wind 5 to 8 mph becoming calm in the evening.
Sunny on Wednesday Wednesday... Sunny, with a high near 88. Calm wind becoming west southwest 5 to 7 mph in the afternoon.
Cloudy on Wednesday Night Wednesday Night... Partly cloudy, with a low around 55. West southwest wind 5 to 8 mph becoming calm in the evening.
Partly Sunny on Thursday Thursday... Partly sunny, with a high near 80.
30% chance of thunderstorms Thursday Night Thursday Night... A slight chance of showers, then a chance of showers and thunderstorms after 11pm. Mostly cloudy, with a low around 57. Chance of precipitation is 30%.
20% chance of Friday Friday... A chance of showers, mainly before 11am. Partly sunny, with a high near 79.
10% chance of rain Friday Night Friday Night... A slight chance of showers. Areas of fog after 11pm. Otherwise, partly cloudy, with a low around 56.
10% chance of rain Saturday Saturday... A slight chance of showers before 11am. Areas of fog before 10am. Otherwise, mostly sunny, with a high near 79.
Patchy Fog on Saturday Night Saturday Night... Patchy fog. Otherwise, partly cloudy, with a low around 55.
Fog on Sunday Sunday... Areas of fog. Otherwise, mostly sunny, with a high near 79.
Patchy Fog on Sunday Night Sunday Night... Patchy fog. Otherwise, mostly clear, with a low around 55.
Fog on Monday Monday... Areas of fog. Otherwise, sunny, with a high near 82.
Current Radar Image


Sun Almanac for Alten, California
Sunrise: 06:53 AM
Sunset: 7:19 PM
Civil Sunrise:06:27 AM
Civil Sunset: 7:46 PM
Nautical Sunrise: 05:56 AM
Nautical Sunset: 8:17 PM
Astro Sunrise: 05:24 AM
Astro Sunset: 8:49 PM
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