Cupertino, California Weather
No Watches or Warnings for Cupertino
Issued: 2:08 am PST Dec 18, 2025 Latitude: 37.3229978 Longitude: -122.0321823 View on Google Maps
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Current Conditions at
SAN JOSE INTL - (KSJC)
46°
Mostly Cloudy
as of 3:53 AM PST
Rel. Humidity: 93%
Dew Point: 45°F
Visibility: 10 Miles
Pressure: 30.14 in.
Flight Rule: MVFR
Cloud Level(s): Broken at 1100ft
Current Conditions at
MOUNTAIN VIEW NAS - (KNUQ)
45°
Clear
as of 3:50 AM PST
Rel. Humidity: 100%
Dew Point: 45°F
Visibility: 10 Miles
Pressure: 30.14 in.
Flight Rule: VFR
Cloud Level(s): Clear
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Today... Patchy fog before 9am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 62. Light and variable wind. |
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Tonight... Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 48. Calm wind. |
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Friday... Rain, mainly after 4pm. High near 62. South wind 3 to 7 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible. |
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Friday Night... Rain, mainly before 10pm. Low around 53. South wind 3 to 6 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible. |
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Saturday... Rain likely, mainly after 10am. Cloudy, with a high near 62. Calm wind becoming south southwest around 5 mph in the afternoon. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible. |
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Saturday Night... Rain. Low around 54. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible. |
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Sunday... Rain. High near 60. Chance of precipitation is 90%. |
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Sunday Night... Rain. Cloudy, with a low around 52. |
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Monday... Rain likely. Cloudy, with a high near 58. |
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Monday Night... Rain likely. Cloudy, with a low around 48. |
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Tuesday... Rain likely. Cloudy, with a high near 57. |
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Tuesday Night... Rain. Mostly cloudy, with a low around 48. |
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Wednesday... Rain likely. Mostly cloudy, with a high near 57. |
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Sun Almanac for Cupertino, California
Sunrise: 07:17 AM
Sunset: 4:53 PM
Civil Sunrise:06:48 AM
Civil Sunset: 5:22 PM
Nautical Sunrise: 06:15 AM
Nautical Sunset: 5:55 PM
Astro Sunrise: 05:44 AM
Astro Sunset: 6:26 PM
California's Current Temperatures
California's Satellite Image
California's Current Wind Direction
| National Summary |
of upper and lower values of current conditions amongst 7069 locations
in the contiguous United States |
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High
Temp |
77° |
Keathley C 875, Louisiana
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Low
Temp |
-2° |
Plentywood, Montana
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Wind
Speed |
67mph |
Ellsworth AFB, South Dakota
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Wind
Gust |
85mph |
Rapid City, South Dakota
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Wind
Chill |
-32° |
Berthoud Pass, Colorado
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High
Pressure |
30.73Hg |
Charlie, Montana
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Low
Pressure |
29.00Hg |
Waskish, Minnesota
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| # Locations Reporting Snow |
38 |
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| # Locations Reporting Rain |
120 |
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| # Locations Reporting Thunderstorms / Lightning |
1 |
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| # Locations Reporting Fog |
47 |
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| Average Temperature in the Contiguous USA |
42° |
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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.
