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Tracking Areas of Fire Weather, Severe Weather, and Winter Weather

Gusty winds and dry conditions will continue to bring fire weather concerns to the southern Plains through Friday. Severe thunderstorms including a few tornadoes, large hail and damaging wind gusts are expected across parts of the Midwest and lower Ohio Valley today. A Pacific storm will bring low elevation rain and thunderstorms across southern California and heavy snow through the Sierra. Read More >

Hazardous Weather Conditions

Current conditions at

LOS ALTOS (LOAC1)

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

NA

46°F

8°C

Humidity 86%
Wind Speed WNW 5 MPH
Barometer NA
Dewpoint 42°F (6°C)
Visibility NA
Wind Chill44°F (7°C)
Last update 19 Feb 09:10 AM PST
Extended Forecast for

Cupertino CA

Cold Weather Advisory February 20, 01:00am until February 20, 09:00am
Click here for hazard details and duration
Cold Weather Advisory

  • Today

    Today: Rain likely, mainly before 1pm. Partly sunny, with a high near 50. West northwest wind 16 to 18 mph, with gusts as high as 34 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 50 °F

    Rain Likely
    then Chance
    Rain

  • Tonight

    Tonight: Areas of frost after 4am. Otherwise, partly cloudy, with a low around 36. West northwest wind 6 to 11 mph becoming light after midnight. Winds could gust as high as 22 mph.

    Low: 36 °F

    Partly Cloudy
    then Areas
    Frost

  • Friday

    Friday: Areas of frost before 8am. Otherwise, partly sunny, with a high near 52. Light and variable wind.

    High: 52 °F

    Areas Frost
    then Partly
    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 38. Light and variable wind.

    Low: 38 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 56. South wind 6 to 13 mph, with gusts as high as 23 mph.

    High: 56 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of rain after 10pm. Mostly cloudy, with a low around 46.

    Low: 46 °F

    Slight Chance
    Rain

  • Sunday

    Sunday: A 40 percent chance of rain. Partly sunny, with a high near 62.

    High: 62 °F

    Chance Rain

  • Sunday Night

    Sunday Night: A chance of rain. Mostly cloudy, with a low around 51.

    Low: 51 °F

    Chance Rain

  • Monday

    Monday: Rain likely, mainly after 4pm. Mostly cloudy, with a high near 65.

    High: 65 °F

    Rain Likely

Detailed Forecast

Today
Rain likely, mainly before 1pm. Partly sunny, with a high near 50. West northwest wind 16 to 18 mph, with gusts as high as 34 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight
Areas of frost after 4am. Otherwise, partly cloudy, with a low around 36. West northwest wind 6 to 11 mph becoming light after midnight. Winds could gust as high as 22 mph.
Friday
Areas of frost before 8am. Otherwise, partly sunny, with a high near 52. Light and variable wind.
Friday Night
Partly cloudy, with a low around 38. Light and variable wind.
Saturday
Mostly sunny, with a high near 56. South wind 6 to 13 mph, with gusts as high as 23 mph.
Saturday Night
A 20 percent chance of rain after 10pm. Mostly cloudy, with a low around 46.
Sunday
A 40 percent chance of rain. Partly sunny, with a high near 62.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 51.
Monday
Rain likely, mainly after 4pm. Mostly cloudy, with a high near 65.
Monday Night
Rain. Mostly cloudy, with a low around 52.
Tuesday
Rain. Mostly cloudy, with a high near 61.
Tuesday Night
Rain. Mostly cloudy, with a low around 50.
Wednesday
A chance of rain. Partly sunny, with a high near 61.
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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:
1:27 am PST Feb 19, 2026
Forecast Valid:
10am PST Feb 19, 2026-6pm PST Feb 25, 2026
 
Forecast Discussion
 
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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