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

Tracking Late Season Winter Storms

A moderate atmospheric river will continue to bring heavy snow over the Olympics, northern Cascades and northern Rockies Friday while heavy rain may bring flooding to coastal Oregon and Washington. A winter storm will continue to push across the Great Lakes and Northeast U.S. Friday and Saturday with areas of heavy snow and high winds. Read More >

Current conditions at

LOS ALTOS (LOAC1)

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

NA

52°F

11°C

Humidity 48%
Wind Speed WSW 1 MPH
Barometer NA
Dewpoint 33°F (1°C)
Visibility NA
Last update 13 Mar 12:10 AM PDT
Extended Forecast for

Cupertino CA

  • Overnight

    Overnight: Partly cloudy, with a low around 48. Calm wind.

    Low: 48 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 75. Calm wind becoming north 5 to 7 mph in the afternoon.

    High: 75 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 48. West northwest wind 3 to 6 mph.

    Low: 48 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 73. Northwest wind 3 to 8 mph.

    High: 73 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 50. Northwest wind 5 to 9 mph becoming calm in the evening.

    Low: 50 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 82.

    High: 82 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 57.

    Low: 57 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 88.

    High: 88 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 59.

    Low: 59 °F

    Mostly Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 48. Calm wind.
Friday
Mostly sunny, with a high near 75. Calm wind becoming north 5 to 7 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 48. West northwest wind 3 to 6 mph.
Saturday
Sunny, with a high near 73. Northwest wind 3 to 8 mph.
Saturday Night
Mostly clear, with a low around 50. Northwest wind 5 to 9 mph becoming calm in the evening.
Sunday
Mostly sunny, with a high near 82.
Sunday Night
Partly cloudy, with a low around 57.
Monday
Mostly sunny, with a high near 88.
Monday Night
Mostly clear, with a low around 59.
Tuesday
Sunny, with a high near 91.
Tuesday Night
Clear, with a low around 59.
Wednesday
Sunny, with a high near 90.
Wednesday Night
Clear, with a low around 57.
Thursday
Sunny, with a high near 88.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Cupertino CA
 37.31°N 122.06°W (Elev. 610 ft)
Last Update:
12:18 am PDT Mar 13, 2026
Forecast Valid:
12am PDT Mar 13, 2026-6pm PDT Mar 19, 2026
 
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Additional Resources

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