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

59°F

15°C

Humidity 54%
Wind Speed WSW 4 MPH
Barometer NA
Dewpoint 42°F (6°C)
Visibility NA
Last update 12 Mar 08:10 PM PDT
Extended Forecast for

Cupertino CA

  • Tonight

    Tonight: Partly cloudy, with a low around 49. North northwest wind around 5 mph becoming calm in the evening.

    Low: 49 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 76. Calm wind becoming north northwest 5 to 8 mph in the afternoon.

    High: 76 °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 76. West northwest wind 3 to 8 mph.

    High: 76 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 51. Northwest wind 5 to 9 mph becoming calm after midnight.

    Low: 51 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 84.

    High: 84 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 56.

    Low: 56 °F

    Mostly Clear

  • 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

Tonight
Partly cloudy, with a low around 49. North northwest wind around 5 mph becoming calm in the evening.
Friday
Mostly sunny, with a high near 76. Calm wind becoming north northwest 5 to 8 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 76. West northwest wind 3 to 8 mph.
Saturday Night
Partly cloudy, with a low around 51. Northwest wind 5 to 9 mph becoming calm after midnight.
Sunday
Mostly sunny, with a high near 84.
Sunday Night
Mostly clear, with a low around 56.
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 88.
Wednesday Night
Clear, with a low around 58.
Thursday
Sunny, with a high near 88.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Cupertino CA
 37.33°N 122.07°W (Elev. 305 ft)
Last Update:
1:25 pm PDT Mar 12, 2026
Forecast Valid:
8pm PDT Mar 12, 2026-6pm PDT Mar 19, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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