Lake Effect Snow in the Lower Great Lakes; Unsettled Pattern in the Pacific Northwest

Lake-effect snow will continue downwind of Lakes Erie and Ontario through Friday. Lake Effect Snow Warnings have been issued. In the Western U.S., rain and higher elevation snow will continue over the Great Basin through Friday. A front will move over the Pacific Northwest this afternoon and produce light rain and higher elevation snow over the Cascades through Saturday. Read More >

Current conditions at

LOS ALTOS (LOAC1)

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

NA

63°F

17°C

Humidity 54%
Wind Speed NNE 2 MPH
Barometer NA
Dewpoint 46°F (8°C)
Visibility NA
Last update 12 Feb 02:10 PM PST
Extended Forecast for

Cupertino CA

  • Tonight

    Tonight: Patchy fog before 3am, then patchy fog after 4am.  Otherwise, increasing clouds, with a low around 44. Northwest wind around 6 mph becoming calm  in the evening.

    Low: 44 °F

    Mostly Clear
    then Patchy
    Fog

  • Friday

    Friday: Patchy fog before 9am.  Otherwise, mostly sunny, with a high near 63. Calm wind becoming north 5 to 7 mph in the afternoon.

    High: 63 °F

    Patchy Fog
    then Sunny

  • Friday Night

    Friday Night: Patchy fog between 4am and 5am.  Otherwise, mostly cloudy, with a low around 43. West northwest wind around 5 mph becoming calm  in the evening.

    Low: 43 °F

    Partly Cloudy
    then Patchy
    Fog

  • Saturday

    Saturday: Mostly cloudy, with a high near 60. Calm wind becoming south southwest 5 to 7 mph in the afternoon.

    High: 60 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Showers likely, mainly after 4am.  Mostly cloudy, with a low around 47. South southeast wind around 9 mph.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 47 °F

    Showers
    Likely

  • Sunday

    Sunday: Showers.  High near 58. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    High: 58 °F

    Showers

  • Sunday Night

    Sunday Night: Showers.  Low around 47. Chance of precipitation is 100%.

    Low: 47 °F

    Showers

  • Washington's Birthday

    Washington's Birthday: Showers.  Cloudy, with a high near 55.

    High: 55 °F

    Showers

  • Monday Night

    Monday Night: Showers.  Cloudy, with a low around 44.

    Low: 44 °F

    Showers

Detailed Forecast

Tonight
Patchy fog before 3am, then patchy fog after 4am. Otherwise, increasing clouds, with a low around 44. Northwest wind around 6 mph becoming calm in the evening.
Friday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 63. Calm wind becoming north 5 to 7 mph in the afternoon.
Friday Night
Patchy fog between 4am and 5am. Otherwise, mostly cloudy, with a low around 43. West northwest wind around 5 mph becoming calm in the evening.
Saturday
Mostly cloudy, with a high near 60. Calm wind becoming south southwest 5 to 7 mph in the afternoon.
Saturday Night
Showers likely, mainly after 4am. Mostly cloudy, with a low around 47. South southeast wind around 9 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Showers. High near 58. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Sunday Night
Showers. Low around 47. Chance of precipitation is 100%.
Washington's Birthday
Showers. Cloudy, with a high near 55.
Monday Night
Showers. Cloudy, with a low around 44.
Tuesday
Showers. Mostly cloudy, with a high near 52.
Tuesday Night
Showers likely. Mostly cloudy, with a low around 40.
Wednesday
Showers likely. Mostly cloudy, with a high near 54.
Wednesday Night
Showers likely. Mostly cloudy, with a low around 42.
Thursday
Showers likely. Mostly cloudy, with a high near 55.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Cupertino CA
 37.31°N 122.06°W (Elev. 610 ft)
12:44 pm PST Feb 12, 2026
3pm PST Feb 12, 2026-6pm PST Feb 19, 2026
 
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