Los Altos, California Weather
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Weather Forecast for Los Altos, California : Santa Clara County
Issued: 5:01 am PDT Sep 16, 2025 Latitude: 37.3852183 Longitude: -122.1141298 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Wednesday Thursday Friday Saturday Sunday Monday
Sunny on Today Mostly Clear on Tonight Sunny on Wednesday Partly Sunny on Thursday 20% chance of  on Friday Mostly Sunny on Saturday Sunny on Sunday Sunny on Monday
High: 89°F Low: 63°F High: 89°F High: 82°F High: 79°F High: 80°F High: 85°F High: 87°F
Low: 62°F Low: 62°F Low: 60°F Low: 61°F Low: 63°F  
Sunny Mostly Clear Sunny Partly Sunny Partly Sunny Mostly Sunny Sunny Sunny
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Current Conditions at
MOUNTAIN VIEW NAS - (KNUQ)
64°
Clear
as of 6:35 AM PDST
Rel. Humidity: 77%
Dew Point: 57°F
Visibility: 10 Miles
Pressure: 29.90 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
SAN JOSE INTL - (KSJC)
64°
Clear
as of 5:53 AM PDST
Rel. Humidity: 67%
Dew Point: 54°F
Visibility: 10 Miles
Pressure: 29.89 in.
Flight Rule: VFR
Wind Data
3 MPH
160° South
Cloud Level(s): Clear
Current Conditions at
SAN CARLOS - (KSQL)
64°
Clear
as of 6:35 AM PDST
Rel. Humidity: 88%
Dew Point: 61°F
Visibility: 10 Miles
Pressure: 29.90 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Sunny on Today Today... Sunny, with a high near 89. Calm wind becoming north northwest 5 to 8 mph in the afternoon.

Mostly Clear on Tonight Tonight... Mostly clear, with a low around 63. Light west northwest wind.

Sunny on Wednesday Wednesday... Sunny, with a high near 89. Calm wind becoming northwest 5 to 7 mph in the afternoon.

Cloudy on Wednesday Night Wednesday Night... Partly cloudy, with a low around 62. West northwest wind 5 to 7 mph becoming calm in the evening.

Partly Sunny on Thursday Thursday... Partly sunny, with a high near 82. Calm wind becoming west 5 to 7 mph in the afternoon.

20% chance of thunderstorms Thursday Night Thursday Night... A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 62. Chance of precipitation is 20%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

20% chance of  Friday Friday... A 20 percent chance of showers. Partly sunny, with a high near 79.

Cloudy on Friday Night Friday Night... Partly cloudy, with a low around 60.

Mostly Sunny on Saturday Saturday... Mostly sunny, with a high near 80.

Mostly Clear on Saturday Night Saturday Night... Mostly clear, with a low around 61.

Sunny on Sunday Sunday... Sunny, with a high near 85.

Mostly Clear on Sunday Night Sunday Night... Mostly clear, with a low around 63.

Sunny on Monday Monday... Sunny, with a high near 87.

Current Radar Image


Sun Almanac for Los Altos, California
Sunrise: 06:52 AM
Sunset: 7:14 PM
Civil Sunrise:06:26 AM
Civil Sunset: 7:40 PM
Nautical Sunrise: 05:55 AM
Nautical Sunset: 8:11 PM
Astro Sunrise: 05:24 AM
Astro Sunset: 8:42 PM
California's Current Temperatures
California's Current Temperature Map


California's Satellite ImageCalifornia Satellite Image

California's Current Wind DirectionCalifornia's Current Wind Direction

National Summary
of upper and lower values of current conditions amongst 7256 locations
in the contiguous United States
High
Temp
86° Lantana/Palm Bea, Florida
and 4 other locations
Low
Temp
30° Afton, Wyoming
and 3 other locations
Wind
Speed
140mph Cherry Pt Mcas, North Carolina
Wind
Gust
38mph Ocean City, Maryland
and 1 other location
Wind
Chill
28° Kemmerer, Wyoming
and 1 other location
Heat
Index
94° Miami, Florida
and 1 other location
High
Pressure
30.72Hg Salida Mountain, Colorado
Low
Pressure
29.82Hg Thermal, California
and 1 other location
# Locations Reporting Rain 41
# Locations Reporting Thunderstorms / Lightning 6
# Locations Reporting Fog 25
Average Temperature in the Contiguous USA 65°
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