Areas of Severe Thunderstorms and Excessive Rainfall through This Weekend

Severe thunderstorms are expected across portions of the central into southern Plains into Sunday, with large hail and severe gusts the main threats. The threat for heavy to excessive rainfall and possible flash flooding will return to the south-central U.S. Friday into this weekend. Read More >

Current conditions at

LOS ALTOS (LOAC1)

Lat: 37.35472°NLon: 122.14167°WElev: 539.0ft.

NA

47°F

8°C

Humidity 84%
Wind Speed WSW 3 MPH
Barometer NA
Dewpoint 42°F (6°C)
Visibility NA
Last update 23 May 04:10 AM PDT
Extended Forecast for

Cupertino CA

  • Today

    Today: Sunny, with a high near 69. Light and variable wind becoming west northwest 5 to 10 mph in the morning. Winds could gust as high as 18 mph.

    High: 69 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 48. West wind 5 to 9 mph becoming calm  after midnight.

    Low: 48 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 73. Light and variable wind becoming west northwest 5 to 9 mph in the afternoon.

    High: 73 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 47. West wind 5 to 10 mph, with gusts as high as 18 mph.

    Low: 47 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 71. Light west wind becoming west northwest 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 71 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 51.

    Low: 51 °F

    Mostly Cloudy

  • Memorial Day

    Memorial Day: Mostly sunny, with a high near 73.

    High: 73 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 49.

    Low: 49 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 69. Light and variable wind becoming west northwest 5 to 10 mph in the morning. Winds could gust as high as 18 mph.
Tonight
Mostly clear, with a low around 48. West wind 5 to 9 mph becoming calm after midnight.
Saturday
Sunny, with a high near 73. Light and variable wind becoming west northwest 5 to 9 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 47. West wind 5 to 10 mph, with gusts as high as 18 mph.
Sunday
Mostly sunny, with a high near 71. Light west wind becoming west northwest 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Sunday Night
Mostly cloudy, with a low around 51.
Memorial Day
Mostly sunny, with a high near 73.
Monday Night
Partly cloudy, with a low around 49.
Tuesday
Sunny, with a high near 79.
Tuesday Night
Mostly clear, with a low around 50.
Wednesday
Mostly sunny, with a high near 79.
Wednesday Night
Partly cloudy, with a low around 52.
Thursday
Mostly sunny, with a high near 78.
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ABOUT THIS FORECAST

 
Point Forecast:
Cupertino CA
 37.31°N 122.06°W (Elev. 610 ft)
2:03 am PDT May 23, 2025
4am PDT May 23, 2025-6pm PDT May 29, 2025
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database