National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Arctic Air for the Northeast and Mid-Atlantic; Increase Rainfall for Pacific Northwest

An arctic cold front will quickly track across the Great Lakes, Northeast and mid-Atlantic. Snow showers and squalls will accompany this system with increasing winds and falling temperatures. Damaging wind gusts may result in tree damage and power outages. Meanwhile, moisture returns for the Pacific Northwest this weekend with both coverage and intensity of rainfall and higher elevation snows. Read More >

Current conditions at

LOS ALTOS (LOAC1)

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

NA

49°F

9°C

Humidity 65%
Wind Speed WSW 3 MPH
Barometer NA
Dewpoint 38°F (3°C)
Visibility NA
Last update 06 Feb 07:10 AM PST
Extended Forecast for

Cupertino CA

  • Today

    Today: Sunny, with a high near 69. Calm wind becoming northwest around 6 mph in the afternoon.

    High: 69 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 46. Calm wind.

    Low: 46 °F

    Increasing
    Clouds

  • Saturday

    Saturday: Mostly sunny, with a high near 66. Calm wind becoming north northwest around 6 mph in the afternoon.

    High: 66 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 45. Light northwest wind.

    Low: 45 °F

    Mostly Clear

  • Sunday

    Sunday: Partly sunny, with a high near 65. Calm wind becoming northwest around 6 mph in the afternoon.

    High: 65 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 47.

    Low: 47 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Monday

    Monday: Patchy fog before 7am. Otherwise, mostly cloudy, with a high near 62.

    High: 62 °F

    Patchy Fog
    then Mostly
    Cloudy

  • Monday Night

    Monday Night: A slight chance of rain after 10pm. Mostly cloudy, with a low around 46.

    Low: 46 °F

    Slight Chance
    Rain

  • Tuesday

    Tuesday: A chance of rain, mainly after 10am. Partly sunny, with a high near 58.

    High: 58 °F

    Chance Rain

Detailed Forecast

Today
Sunny, with a high near 69. Calm wind becoming northwest around 6 mph in the afternoon.
Tonight
Increasing clouds, with a low around 46. Calm wind.
Saturday
Mostly sunny, with a high near 66. Calm wind becoming north northwest around 6 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 45. Light northwest wind.
Sunday
Partly sunny, with a high near 65. Calm wind becoming northwest around 6 mph in the afternoon.
Sunday Night
Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 47.
Monday
Patchy fog before 7am. Otherwise, mostly cloudy, with a high near 62.
Monday Night
A slight chance of rain after 10pm. Mostly cloudy, with a low around 46.
Tuesday
A chance of rain, mainly after 10am. Partly sunny, with a high near 58.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 43.
Wednesday
A chance of rain. Partly sunny, with a high near 59.
Wednesday Night
A chance of rain. Partly cloudy, with a low around 42.
Thursday
Sunny, with a high near 62.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Cupertino CA
 37.31°N 122.06°W (Elev. 610 ft)
Last Update:
12:39 am PST Feb 6, 2026
Forecast Valid:
7am PST Feb 6, 2026-6pm PST Feb 12, 2026
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation