Severe Weather Possible from the Central Plains to the Northeast; Building Heat in the West; Fire Weather Concerns for the Southwest

Severe thunderstorms will be possible from the central Plains to the Mid-Atlantic and Northeast on Monday. Hazardous heat will linger across the southern U.S. and build across the West through mid-week. Hot and dry conditions will fuel fire weather concerns for Interior Alaska and the Four Corners region through Monday. Read More >

Current conditions at

LOS ALTOS (LOAC1)

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

NA

64°F

18°C

Humidity 77%
Wind Speed ENE 1 MPH
Barometer NA
Dewpoint 57°F (14°C)
Visibility NA
Last update 21 Jun 08:10 PM PDT
Extended Forecast for

2 Miles WNW Cupertino CA

  • Tonight

    Tonight: Partly cloudy, with a low around 52. Light and variable wind.

    Low: 52 °F

    Partly Cloudy

  • Monday

    Monday: Patchy fog before 7am.  Otherwise, sunny, with a high near 82. Calm wind becoming north around 6 mph in the afternoon.

    High: 82 °F

    Patchy Fog
    then Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 54. Light and variable wind.

    Low: 54 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 85. Calm wind becoming west northwest around 6 mph in the afternoon.

    High: 85 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 55. West wind around 5 mph becoming calm  in the evening.

    Low: 55 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 87.

    High: 87 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 55.

    Low: 55 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 83.

    High: 83 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 53.

    Low: 53 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 52. Light and variable wind.
Monday
Patchy fog before 7am. Otherwise, sunny, with a high near 82. Calm wind becoming north around 6 mph in the afternoon.
Monday Night
Mostly clear, with a low around 54. Light and variable wind.
Tuesday
Sunny, with a high near 85. Calm wind becoming west northwest around 6 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 55. West wind around 5 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 87.
Wednesday Night
Mostly clear, with a low around 55.
Thursday
Sunny, with a high near 83.
Thursday Night
Mostly clear, with a low around 53.
Friday
Sunny, with a high near 77.
Friday Night
Partly cloudy, with a low around 55.
Saturday
Mostly sunny, with a high near 75.
Saturday Night
Mostly clear, with a low around 51.
Sunday
Sunny, with a high near 81.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WNW Cupertino CA
 37.32°N 122.09°W (Elev. 955 ft)
1:26 pm PDT Jun 21, 2026
8pm PDT Jun 21, 2026-6pm PDT Jun 28, 2026
 
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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