Heavy Rainfall and Flooding in the Mid-Atlantic; Heat and Wildfire Concerns in the West

Slow moving showers and thunderstorms may result in flash flooding for portions of the mid-Atlantic region through tonight. Meanwhile, excessive heat will continue to build across the West through Tuesday. Heat Advisories and Extreme Heat Warnings are in effect. Fire Weather concerns continue for the West with dry and breezy conditions. Watching the tropics across the Southeast. Read More >

Current conditions at

LOS ALTOS (LOAC1)

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

NA

81°F

27°C

Humidity 44%
Wind Speed NNE 3 MPH
Barometer NA
Dewpoint 57°F (14°C)
Visibility NA
Heat Index81°F (27°C)
Last update 14 Jul 05:10 PM PDT
Extended Forecast for

2 Miles N Portola Valley CA

  • Tonight

    Tonight: Patchy fog after 2am.  Otherwise, mostly clear, with a low around 52. Southwest wind around 5 mph becoming calm  in the evening.

    Low: 52 °F

    Clear then
    Patchy Fog

  • Tuesday

    Tuesday: Patchy fog before 8am.  Otherwise, sunny, with a high near 80. Calm wind becoming southwest 5 to 8 mph in the morning.

    High: 80 °F

    Patchy Fog
    then Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 52. South southwest wind 3 to 7 mph.

    Low: 52 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, then gradually becoming sunny, with a high near 79. Calm wind becoming west southwest 5 to 7 mph in the afternoon.

    High: 79 °F

    Becoming
    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 53. West southwest wind 5 to 7 mph becoming calm  in the evening.

    Low: 53 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 81.

    High: 81 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 52.

    Low: 52 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 81.

    High: 81 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 52.

    Low: 52 °F

    Mostly Clear

Detailed Forecast

Tonight
Patchy fog after 2am. Otherwise, mostly clear, with a low around 52. Southwest wind around 5 mph becoming calm in the evening.
Tuesday
Patchy fog before 8am. Otherwise, sunny, with a high near 80. Calm wind becoming southwest 5 to 8 mph in the morning.
Tuesday Night
Partly cloudy, with a low around 52. South southwest wind 3 to 7 mph.
Wednesday
Partly sunny, then gradually becoming sunny, with a high near 79. Calm wind becoming west southwest 5 to 7 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 53. West southwest wind 5 to 7 mph becoming calm in the evening.
Thursday
Mostly sunny, with a high near 81.
Thursday Night
Partly cloudy, with a low around 52.
Friday
Mostly sunny, with a high near 81.
Friday Night
Mostly clear, with a low around 52.
Saturday
Mostly sunny, with a high near 81.
Saturday Night
Mostly clear, with a low around 52.
Sunday
Sunny, with a high near 81.
Sunday Night
Mostly clear, with a low around 52.
Monday
Mostly sunny, with a high near 80.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles N Portola Valley CA
 37.39°N 122.23°W (Elev. 397 ft)
3:02 pm PDT Jul 14, 2025
6pm PDT Jul 14, 2025-6pm PDT Jul 21, 2025
 
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Additional Resources

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