Heat the Southwest; Fire Weather in the Central U.S.; Kona Low Impacting Hawaii

A rare March heat wave is ongoing with much above-normal temperatures over the Southwest U.S. through this weekend. Periods of critical fire weather will persist from the central Rockies to the central and southern Plains through the weekend as gusty winds and low relative humidity continue. A Kona low will continue to bring several rounds of moderate to heavy rainfall to Hawaii through Sunday. Read More >

Current conditions at

LA HONDA (LAHC1)

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

NA

47°F

8°C

Humidity 92%
Wind Speed NE 0 MPH
Barometer NA
Dewpoint 45°F (7°C)
Visibility NA
Last update 21 Mar 11:07 PM PDT
Extended Forecast for

Portola Valley CA

  • Tonight

    Tonight: Mostly clear, with a low around 48. West southwest wind around 5 mph becoming calm  after midnight.

    Low: 48 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 77. Calm wind becoming north northwest around 6 mph in the afternoon.

    High: 77 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 48. West wind around 5 mph becoming calm  in the evening.

    Low: 48 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 75. Calm wind becoming west northwest around 6 mph in the afternoon.

    High: 75 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 50. Northwest wind around 6 mph becoming calm  in the evening.

    Low: 50 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 76.

    High: 76 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 50.

    Low: 50 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 73.

    High: 73 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 47.

    Low: 47 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 48. West southwest wind around 5 mph becoming calm after midnight.
Sunday
Sunny, with a high near 77. Calm wind becoming north northwest around 6 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 48. West wind around 5 mph becoming calm in the evening.
Monday
Sunny, with a high near 75. Calm wind becoming west northwest around 6 mph in the afternoon.
Monday Night
Mostly clear, with a low around 50. Northwest wind around 6 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 76.
Tuesday Night
Mostly clear, with a low around 50.
Wednesday
Sunny, with a high near 73.
Wednesday Night
Mostly clear, with a low around 47.
Thursday
Mostly sunny, with a high near 74.
Thursday Night
Partly cloudy, with a low around 49.
Friday
Mostly sunny, with a high near 74.
Friday Night
Mostly cloudy, with a low around 50.
Saturday
Mostly sunny, with a high near 74.
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ABOUT THIS FORECAST

 
Point Forecast:
Portola Valley CA
 37.37°N 122.22°W (Elev. 597 ft)
8:26 pm PDT Mar 21, 2026
11pm PDT Mar 21, 2026-6pm PDT Mar 28, 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