Severe Weather and Flooding Threats for the Central U.S.; Dangerous Heat in the Southern and Western U.S.

Severe weather and flooding threats will continue for portions of the central U.S. over the next couple of days, with multiple rounds of thunderstorms expected. Dangerous heat will persist across the southern and western U.S. through mid-week. Hot and dry conditions will fuel fire weather concerns for the Intermountain West, where dry thunderstorms may spark additional wildfires. Read More >

Current conditions at

LOS ALTOS (LOAC1)

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

NA

60°F

16°C

Humidity 82%
Wind Speed ENE 0 MPH
Barometer NA
Dewpoint 54°F (12°C)
Visibility NA
Last update 23 Jun 09:10 PM PDT
Extended Forecast for

3 Miles SSE Portola Valley CA

  • Tonight

    Tonight: Mostly clear, with a low around 58. Light south wind.

    Low: 58 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 75. Calm wind becoming south southwest around 5 mph in the afternoon.

    High: 75 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 58. South southwest wind 3 to 5 mph.

    Low: 58 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 72. West wind 3 to 7 mph.

    High: 72 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 57. West wind around 9 mph, with gusts as high as 18 mph.

    Low: 57 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 65.

    High: 65 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 55.

    Low: 55 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 60.

    High: 60 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 51.

    Low: 51 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 58. Light south wind.
Wednesday
Sunny, with a high near 75. Calm wind becoming south southwest around 5 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 58. South southwest wind 3 to 5 mph.
Thursday
Sunny, with a high near 72. West wind 3 to 7 mph.
Thursday Night
Mostly clear, with a low around 57. West wind around 9 mph, with gusts as high as 18 mph.
Friday
Mostly sunny, with a high near 65.
Friday Night
Mostly cloudy, with a low around 55.
Saturday
Mostly sunny, with a high near 60.
Saturday Night
Mostly clear, with a low around 51.
Sunday
Sunny, with a high near 70.
Sunday Night
Mostly clear, with a low around 54.
Monday
Sunny, with a high near 73.
Monday Night
Mostly clear, with a low around 56.
Tuesday
Sunny, with a high near 70.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSE Portola Valley CA
 37.33°N 122.18°W (Elev. 1998 ft)
8:31 pm PDT Jun 23, 2026
9pm PDT Jun 23, 2026-6pm PDT Jun 30, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database