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

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

74°F

23°C

Humidity 54%
Wind Speed W 2 MPH
Barometer NA
Dewpoint 56°F (13°C)
Visibility NA
Last update 21 Mar 01:07 PM PDT
Extended Forecast for

2 Miles S Portola Valley CA

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 74. West northwest wind around 9 mph, with gusts as high as 22 mph.

    High: 74 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 50. West wind 5 to 9 mph becoming calm after midnight. Winds could gust as high as 21 mph.

    Low: 50 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 72. Calm wind becoming northwest 5 to 7 mph in the afternoon.

    High: 72 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 48. West northwest wind around 6 mph becoming calm in the evening.

    Low: 48 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 70. Calm wind becoming west northwest around 6 mph in the afternoon.

    High: 70 °F

    Sunny

  • Monday Night

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

    Low: 49 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 71.

    High: 71 °F

    Sunny

  • Tuesday Night

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

    Low: 50 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 69.

    High: 69 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 74. West northwest wind around 9 mph, with gusts as high as 22 mph.
Tonight
Mostly clear, with a low around 50. West wind 5 to 9 mph becoming calm after midnight. Winds could gust as high as 21 mph.
Sunday
Sunny, with a high near 72. Calm wind becoming northwest 5 to 7 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 48. West northwest wind around 6 mph becoming calm in the evening.
Monday
Sunny, with a high near 70. Calm wind becoming west northwest around 6 mph in the afternoon.
Monday Night
Mostly clear, with a low around 49.
Tuesday
Sunny, with a high near 71.
Tuesday Night
Mostly clear, with a low around 50.
Wednesday
Mostly sunny, with a high near 69.
Wednesday Night
Partly cloudy, with a low around 48.
Thursday
Sunny, with a high near 68.
Thursday Night
Partly cloudy, with a low around 47.
Friday
Mostly sunny, with a high near 71.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles S Portola Valley CA
 37.35°N 122.21°W (Elev. 1440 ft)
Last Update:
1:26 pm PDT Mar 21, 2026
Forecast Valid:
1pm PDT Mar 21, 2026-6pm PDT Mar 27, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation