Heat Wave Continues in the West; Critical Fire Weather Conditions in the High Plains

An anomalously early heat wave will continue to intensify and expand across the West and Southwest as the week progresses. Numerous daily and potentially monthly record highs are expected to be broken. Critical fire weather conditions will continue over the next couple of days across portions of the High Plains as gusty winds and dry conditions persist. Read More >

Hazardous Weather Conditions

Current conditions at

LA HONDA (LAHC1)

Lat: 37.30523°NLon: 122.25525°WElev: 804.0ft.

NA

60°F

16°C

Humidity 58%
Wind Speed ENE 4 MPH
Barometer NA
Dewpoint 45°F (7°C)
Visibility NA
Last update 18 Mar 06:07 AM PDT
Extended Forecast for

4 Miles WSW Portola Valley CA

Heat Advisory March 18, 06:21am until March 20, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory March 18, 06:21am until March 20, 08:00pm

    NOW until 8:00pm Fri

    Heat Advisory

  • Today

    High: 88 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 63. Calm wind.

    Low: 63 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 90. Calm wind becoming north around 6 mph in the afternoon.

    High: 90 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 62. North northwest wind around 6 mph becoming calm  in the evening.

    Low: 62 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 88. Calm wind becoming north northwest around 6 mph in the afternoon.

    High: 88 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 57.

    Low: 57 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 77.

    High: 77 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 50.

    Low: 50 °F

    Partly Cloudy

Detailed Forecast

Today
Sunny, with a high near 88. Calm wind becoming west around 6 mph in the afternoon.
Tonight
Clear, with a low around 63. Calm wind.
Thursday
Sunny, with a high near 90. Calm wind becoming north around 6 mph in the afternoon.
Thursday Night
Clear, with a low around 62. North northwest wind around 6 mph becoming calm in the evening.
Friday
Sunny, with a high near 88. Calm wind becoming north northwest around 6 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 57.
Saturday
Partly sunny, with a high near 77.
Saturday Night
Partly cloudy, with a low around 50.
Sunday
Mostly sunny, with a high near 73.
Sunday Night
Partly cloudy, with a low around 51.
Monday
Mostly sunny, with a high near 73.
Monday Night
Mostly cloudy, with a low around 52.
Tuesday
Partly sunny, with a high near 74.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WSW Portola Valley CA
 37.34°N 122.3°W (Elev. 597 ft)
1:59 am PDT Mar 18, 2026
6am PDT Mar 18, 2026-6pm PDT Mar 24, 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