Winter Weather Across Portions of the Mid-Atlantic; Heavy Rain Along the Gulf Coast and Southeast

A storm system will continue to slowly move through the Gulf Coast and Southeast U.S. over the next couple of days, bringing a heavy rainfall threat through the weekend. Isolated instances of flooding may occur. On the north side of this storm system, colder air will support areas of mixed wintry precipitation and light snow from the Tennessee Valley to the Mid-Atlantic Friday. Read More >

Current conditions at

LOS ALTOS (LOAC1)

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

NA

42°F

6°C

Humidity 82%
Wind Speed WSW 3 MPH
Barometer NA
Dewpoint 37°F (3°C)
Visibility NA
Last update 05 Dec 02:10 AM PST
Extended Forecast for

Cupertino CA

  • Overnight

    Overnight: Mostly clear, with a low around 42. Northwest wind around 5 mph.

    Low: 42 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 63. Calm wind becoming north 5 to 7 mph in the morning.

    High: 63 °F

    Sunny

  • Friday Night

    Friday Night: Increasing clouds, with a low around 44. Light and variable wind.

    Low: 44 °F

    Increasing
    Clouds

  • Saturday

    Saturday: Mostly cloudy through mid morning, then gradual clearing, with a high near 64. Calm wind becoming north northwest 5 to 8 mph in the morning.

    High: 64 °F

    Becoming
    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 45. Northwest wind around 8 mph.

    Low: 45 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 65.

    High: 65 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 46.

    Low: 46 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 65.

    High: 65 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 46.

    Low: 46 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 42. Northwest wind around 5 mph.
Friday
Sunny, with a high near 63. Calm wind becoming north 5 to 7 mph in the morning.
Friday Night
Increasing clouds, with a low around 44. Light and variable wind.
Saturday
Mostly cloudy through mid morning, then gradual clearing, with a high near 64. Calm wind becoming north northwest 5 to 8 mph in the morning.
Saturday Night
Mostly clear, with a low around 45. Northwest wind around 8 mph.
Sunday
Mostly sunny, with a high near 65.
Sunday Night
Partly cloudy, with a low around 46.
Monday
Sunny, with a high near 65.
Monday Night
Mostly clear, with a low around 46.
Tuesday
Mostly sunny, with a high near 66.
Tuesday Night
Partly cloudy, with a low around 48.
Wednesday
Mostly sunny, with a high near 68.
Wednesday Night
Mostly clear, with a low around 48.
Thursday
Patchy fog. Otherwise, sunny, with a high near 68.
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ABOUT THIS FORECAST

 
Point Forecast:
Cupertino CA
 37.31°N 122.06°W (Elev. 610 ft)
1:40 am PST Dec 5, 2025
2am PST Dec 5, 2025-6pm PST Dec 11, 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