Areas of Severe Thunderstorms and Excessive Rainfall Sunday

Scattered strong to severe thunderstorms may pose a risk for damaging wind gusts over the Carolinas, southeast Virginia, and the Tennessee Valley Sunday afternoon then the northern Plains from late afternoon into Sunday night. Monsoonal thunderstorms may cause locally considerable flash, urban, and small stream flooding in the Southwest U.S. the next few days. Read More >

Current conditions at

LOS ALTOS (LOAC1)

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

NA

59°F

15°C

Humidity 89%
Wind Speed ENE 2 MPH
Barometer NA
Dewpoint 56°F (13°C)
Visibility NA
Last update 18 Jul 11:10 PM PDT
Extended Forecast for

5 Miles WSW Cupertino CA

  • Tonight

    Tonight: Increasing clouds, with a steady temperature around 61. Light southwest wind.

    Low: 61 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Mostly cloudy, then gradually becoming sunny, with a high near 78. Light southwest wind.

    High: 78 °F

    Decreasing
    Clouds

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 64. Light southwest wind.

    Low: 64 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 80. Calm wind.

    High: 80 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 67. Light west northwest wind.

    Low: 67 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 87.

    High: 87 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 71.

    Low: 71 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 83.

    High: 83 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 65.

    Low: 65 °F

    Mostly Clear

Detailed Forecast

Tonight
Increasing clouds, with a steady temperature around 61. Light southwest wind.
Sunday
Mostly cloudy, then gradually becoming sunny, with a high near 78. Light southwest wind.
Sunday Night
Mostly cloudy, with a low around 64. Light southwest wind.
Monday
Mostly sunny, with a high near 80. Calm wind.
Monday Night
Partly cloudy, with a low around 67. Light west northwest wind.
Tuesday
Mostly sunny, with a high near 87.
Tuesday Night
Mostly clear, with a low around 71.
Wednesday
Sunny, with a high near 83.
Wednesday Night
Mostly clear, with a low around 65.
Thursday
Sunny, with a high near 77.
Thursday Night
Mostly clear, with a low around 61.
Friday
Sunny, with a high near 77.
Friday Night
Mostly clear, with a low around 59.
Saturday
Sunny, with a high near 80.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles WSW Cupertino CA
 37.29°N 122.14°W (Elev. 1798 ft)
11:26 pm PDT Jul 18, 2026
11pm PDT Jul 18, 2026-6pm PDT Jul 25, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database