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Los Altos, California Weather Forecast
Los Altos, California Weather
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Weather Forecast for Los Altos, California : Santa Clara County
Issued: 1:44 am PST Dec 19, 2025 Latitude: 37.3852183 Longitude: -122.1141298 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Saturday Sunday Monday Tuesday Wednesday Christmas Day
80% chance of rain on Today 80% chance of rain on Tonight 80% chance of rain on Saturday 90% chance of rain on Sunday 80% chance of rain on Monday Rain on Tuesday Rain on Wednesday Rain on Christmas Day
High: 64°F Low: 54°F High: 60°F High: 61°F High: 58°F High: 59°F High: 57°F High: 57°F
Low: 55°F Low: 54°F Low: 52°F Low: 46°F Low: 49°F  
Rain Rain Rain Rain Rain Rain Rain Rain
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Current Conditions at
MOUNTAIN VIEW NAS - (KNUQ)
54°
Cloudy
Mist
as of 4:15 AM PST
Rel. Humidity: 100%
Dew Point: 54°F
Visibility: 5 Miles
Pressure: 30.09 in.
Flight Rule: MVFR
Wind Data
Calm
Cloud Level(s): Scattered at 300ft, Solid Overcast at 4500ft
Current Conditions at
SAN JOSE INTL - (KSJC)
54°
Cloudy
as of 3:53 AM PST
Rel. Humidity: 87%
Dew Point: 50°F
Visibility: 8 Miles
Pressure: 30.09 in.
Flight Rule: VFR
Wind Data
7 MPH
140° Southeast
Cloud Level(s): Solid Overcast at 4600ft
Current Conditions at
SAN CARLOS - (KSQL)
54°
Cloudy
Mist
as of 4:15 AM PST
Rel. Humidity: 100%
Dew Point: 54°F
Visibility: 5 Miles
Pressure: 30.09 in.
Flight Rule: MVFR
Wind Data
Calm
Cloud Level(s): Solid Overcast at 4600ft
80% chance of rain Today Today... Rain, mainly after 4pm. High near 64. Calm wind becoming south southeast around 6 mph in the morning. Chance of precipitation is 80%.
80% chance of rain Tonight Tonight... Rain, mainly before 4am. Low around 54. South southeast wind around 6 mph becoming calm after midnight. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
80% chance of rain Saturday Saturday... Rain, mainly after 10am. High near 60. Light south wind. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
90% chance of rain Saturday Night Saturday Night... Rain. Low around 55. South wind 6 to 8 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
90% chance of rain Sunday Sunday... Rain. High near 61. South wind 9 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
90% chance of rain Sunday Night Sunday Night... Rain. Low around 54. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
80% chance of rain Monday Monday... Rain. High near 58. Chance of precipitation is 80%.
70% chance of rain Monday Night Monday Night... Rain likely. Cloudy, with a low around 52.
Rain on Tuesday Tuesday... Rain. Cloudy, with a high near 59.
Rain on Tuesday Night Tuesday Night... Rain. Cloudy, with a low around 46.
Rain on Wednesday Wednesday... Rain. Mostly cloudy, with a high near 57.
Rain on Wednesday Night Wednesday Night... Rain. Cloudy, with a low around 49.
Rain on Christmas Day Christmas Day... Rain. Mostly cloudy, with a high near 57.
Current Radar Image


Sun Almanac for Los Altos, California
Sunrise: 07:18 AM
Sunset: 4:53 PM
Civil Sunrise:06:49 AM
Civil Sunset: 5:23 PM
Nautical Sunrise: 06:16 AM
Nautical Sunset: 5:55 PM
Astro Sunrise: 05:45 AM
Astro Sunset: 6:27 PM
Any use of the information on this page is at your own risk. This information should not be relied upon in life-threatening situations, potential financial loss situations or in lieu of any officially disseminated information. Visit the National Weather Service for official information.