National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

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

Critical fire weather conditions will persist in the central High Plains through Friday as gusty winds and dry conditions continue. The heat wave across the West and Southwest will continue to intensify through the week, with daily and monthly record highs expected to be broken. Read More >

Hazardous Weather Conditions

Current conditions at

LA HONDA (LAHC1)

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

NA

71°F

22°C

Humidity 61%
Wind Speed WSW 0 MPH
Barometer NA
Dewpoint 57°F (14°C)
Visibility NA
Last update 18 Mar 07:07 PM PDT
Extended Forecast for

4 Miles WSW Portola Valley CA

Heat Advisory March 18, 07:17pm until March 20, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory March 18, 07:17pm until March 20, 08:00pm

    NOW until 8:00pm Fri

    Heat Advisory

  • Tonight

    Low: 65 °F

    Clear

  • Thursday

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

    High: 90 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 64. Light north northeast wind.

    Low: 64 °F

    Clear

  • Friday

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

    High: 89 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 60. Northwest wind around 6 mph becoming calm in the evening.

    Low: 60 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny

  • Saturday Night

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

    Low: 52 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 74.

    High: 74 °F

    Sunny

Detailed Forecast

Tonight
Clear, with a low around 65. Calm wind.
Thursday
Sunny, with a high near 90. Calm wind becoming north northeast around 6 mph in the afternoon.
Thursday Night
Clear, with a low around 64. Light north northeast wind.
Friday
Sunny, with a high near 89. Calm wind becoming northwest around 6 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 60. Northwest wind around 6 mph becoming calm in the evening.
Saturday
Mostly sunny, with a high near 77.
Saturday Night
Partly cloudy, with a low around 52.
Sunday
Sunny, with a high near 74.
Sunday Night
Mostly clear, with a low around 49.
Monday
Mostly sunny, with a high near 71.
Monday Night
Mostly cloudy, with a low around 51.
Tuesday
Mostly sunny, with a high near 72.
Tuesday Night
Mostly clear, with a low around 49.
Wednesday
Sunny, with a high near 67.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WSW Portola Valley CA
 37.34°N 122.3°W (Elev. 597 ft)
Last Update:
3:12 pm PDT Mar 18, 2026
Forecast Valid:
7pm PDT Mar 18, 2026-6pm PDT Mar 25, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation