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Cupertino, California Weather Forecast
Cupertino, California Weather
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Weather Forecast for Cupertino, California : Santa Clara County
Issued: 1:00 pm PST Dec 5, 2025 Latitude: 37.3229978 Longitude: -122.0321823 View on Google Maps

MouseOver for Detail Forecast
Tonight Saturday Sunday Monday Tuesday Wednesday Thursday Friday
Mostly Clear on Tonight Sunny on Saturday Mostly Sunny on Sunday Morning Fog on Monday Mostly Sunny on Tuesday Mostly Sunny on Wednesday Sunny on Thursday Sunny on Friday
Low: 44°F High: 64°F High: 65°F High: 65°F High: 67°F High: 69°F High: 69°F High: 70°F
Low: 45°F Low: 46°F Low: 46°F Low: 48°F Low: 49°F Low: 48°F  
Mostly Clear Sunny Mostly Sunny Morning Fog Mostly Sunny Mostly Sunny Sunny Sunny
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Current Conditions at
SAN JOSE INTL - (KSJC)
52°
Clear
as of 6:53 PM PST
Rel. Humidity: 76%
Dew Point: 45°F
Visibility: 7 Miles
Pressure: 30.12 in.
Flight Rule: VFR
Wind Data
6 MPH
180° South
Cloud Level(s): Clear
Current Conditions at
MOUNTAIN VIEW NAS - (KNUQ)
50°
Clear
as of 6:55 PM PST
Rel. Humidity: 87%
Dew Point: 46°F
Visibility: 8 Miles
Pressure: 30.12 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
PALO ALTO - (KPAO)
50°
Clear
as of 6:47 PM PST
Rel. Humidity: 87%
Dew Point: 46°F
Visibility: 10 Miles
Pressure: 30.12 in.
Flight Rule: VFR
Wind Data
3 MPH
Cloud Level(s): Clear
Current Conditions at
SAN JOSE REID - (KRHV)
52°
Mostly Clear
as of 6:47 PM PST
Rel. Humidity: 76%
Dew Point: 45°F
Visibility: 10 Miles
Pressure: 30.13 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Few at 3000ft
Mostly Clear on Tonight Tonight... Mostly clear, with a low around 44. Light northwest wind.

Sunny on Saturday Saturday... Sunny, with a high near 64. Calm wind becoming north northwest 5 to 7 mph in the afternoon.

Mostly Clear on Saturday Night Saturday Night... Mostly clear, with a low around 45. Northwest wind 3 to 5 mph.

Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 65. Calm wind becoming north northwest 5 to 7 mph in the morning.

Cloudy on Sunday Night Sunday Night... Partly cloudy, with a low around 46. Light northwest wind.

Morning Fog on Monday Monday... Patchy fog between 7am and 8am. Otherwise, mostly sunny, with a high near 65.

Cloudy on Monday Night Monday Night... Partly cloudy, with a low around 46.

Mostly Sunny on Tuesday Tuesday... Mostly sunny, with a high near 67.

Mostly Clear on Tuesday Night Tuesday Night... Mostly clear, with a low around 48.

Mostly Sunny on Wednesday Wednesday... Mostly sunny, with a high near 69.

Mostly Clear on Wednesday Night Wednesday Night... Mostly clear, with a low around 49.

Sunny on Thursday Thursday... Sunny, with a high near 69.

Mostly Clear on Thursday Night Thursday Night... Mostly clear, with a low around 48.

Sunny on Friday Friday... Sunny, with a high near 70.

Current Radar Image


Sun Almanac for Cupertino, California
Sunrise: 07:08 AM
Sunset: 4:50 PM
Civil Sunrise:06:39 AM
Civil Sunset: 5:19 PM
Nautical Sunrise: 06:06 AM
Nautical Sunset: 5:52 PM
Astro Sunrise: 05:35 AM
Astro Sunset: 6:23 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.