Early Spring Heat Wave in the Southwest U.S.; Critical Fire Weather in the Central Rockies and Plains

An unusual early Spring heat wave will continue much above-normal temperatures over the Southwest U.S. through early next week. Periods of critical fire weather will persist from the central Rockies to the central Plains through the weekend as gusty winds and low relative humidity continue. Read More >

Hazardous Weather Conditions

Current conditions at

LA HONDA (LAHC1)

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

NA

74°F

23°C

Humidity 53%
Wind Speed NE 2 MPH
Barometer NA
Dewpoint 56°F (13°C)
Visibility NA
Last update 19 Mar 08:07 PM PDT
Extended Forecast for

4 Miles WSW Portola Valley CA

Heat Advisory March 19, 08:19pm until March 20, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory March 19, 08:19pm until March 20, 08:00pm

    NOW until 8:00pm Fri

    Heat Advisory

  • Tonight

    Low: 59 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 89. Calm wind becoming west around 6 mph in the afternoon.

    High: 89 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 56. Calm wind.

    Low: 56 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 74. Light west northwest wind becoming northwest 5 to 10 mph in the morning. Winds could gust as high as 22 mph.

    High: 74 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 50. Northwest wind 5 to 9 mph, with gusts as high as 22 mph.

    Low: 50 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 74.

    High: 74 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 49.

    Low: 49 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 71.

    High: 71 °F

    Sunny

Detailed Forecast

Tonight
Clear, with a low around 59. Calm wind.
Friday
Sunny, with a high near 89. Calm wind becoming west around 6 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 56. Calm wind.
Saturday
Mostly sunny, with a high near 74. Light west northwest wind becoming northwest 5 to 10 mph in the morning. Winds could gust as high as 22 mph.
Saturday Night
Mostly clear, with a low around 50. Northwest wind 5 to 9 mph, with gusts as high as 22 mph.
Sunday
Sunny, with a high near 74.
Sunday Night
Mostly clear, with a low around 49.
Monday
Sunny, with a high near 71.
Monday Night
Mostly clear, with a low around 52.
Tuesday
Sunny, with a high near 72.
Tuesday Night
Mostly clear, with a low around 50.
Wednesday
Sunny, with a high near 66.
Wednesday Night
Partly cloudy, with a low around 48.
Thursday
Sunny, with a high near 72.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WSW Portola Valley CA
 37.34°N 122.3°W (Elev. 597 ft)
2:37 pm PDT Mar 19, 2026
8pm PDT Mar 19, 2026-6pm PDT Mar 26, 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