Severe Thunderstorms and Flooding from the Southern Plains to the Great Lakes; Record Heat in the East

Widely scattered severe thunderstorms may produce damaging winds, hail, and flash flooding from the southern Plains into the lower Great Lakes. Elevated to locally critical fire weather conditions will persist across portions of the Southwest and Southern High Plains due to gusty winds and dry conditions. An early-season heatwave will challenge temperature records across the eastern U.S.. Read More >

Current conditions at

LA HONDA (LAHC1)

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

NA

80°F

27°C

Humidity 17%
Wind Speed NE 6 MPH
Barometer NA
Dewpoint 31°F (-1°C)
Visibility NA
Heat Index78°F (26°C)
Last update 19 May 12:07 PM PDT
Extended Forecast for

4 Miles NW Portola Valley CA

  • This Afternoon

    This Afternoon: Sunny, with a high near 83. North northwest wind 3 to 8 mph.

    High: 83 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 53. West northwest wind around 6 mph becoming calm  in the evening.

    Low: 53 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 83. Calm wind becoming north northwest around 5 mph in the afternoon.

    High: 83 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 50. Light southwest wind.

    Low: 50 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 80. Calm wind becoming west around 5 mph in the afternoon.

    High: 80 °F

    Sunny

  • Thursday Night

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

    Low: 50 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 77.

    High: 77 °F

    Sunny

  • Friday Night

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

    Low: 50 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 72.

    High: 72 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 83. North northwest wind 3 to 8 mph.
Tonight
Clear, with a low around 53. West northwest wind around 6 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 83. Calm wind becoming north northwest around 5 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 50. Light southwest wind.
Thursday
Sunny, with a high near 80. Calm wind becoming west around 5 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 50.
Friday
Sunny, with a high near 77.
Friday Night
Mostly clear, with a low around 50.
Saturday
Mostly sunny, with a high near 72.
Saturday Night
Partly cloudy, with a low around 50.
Sunday
Mostly sunny, with a high near 72.
Sunday Night
Mostly clear, with a low around 49.
Memorial Day
Mostly sunny, with a high near 70.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NW Portola Valley CA
 37.41°N 122.26°W (Elev. 535 ft)
11:27 am PDT May 19, 2026
12pm PDT May 19, 2026-6pm PDT May 25, 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