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

82°F

28°C

Humidity 17%
Wind Speed NNE 5 MPH
Barometer NA
Dewpoint 33°F (1°C)
Visibility NA
Heat Index80°F (27°C)
Last update 19 May 01:07 PM PDT
Extended Forecast for

4 Miles S Portola Valley CA

  • This Afternoon

    This Afternoon: Sunny, with a high near 75. North northwest wind around 7 mph.

    High: 75 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 58. West northwest wind around 6 mph becoming calm  in the evening.

    Low: 58 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 77. Calm wind becoming west around 6 mph in the afternoon.

    High: 77 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 54. Light and variable wind.

    Low: 54 °F

    Mostly Clear

  • Thursday

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

    High: 75 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 53.

    Low: 53 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 71.

    High: 71 °F

    Sunny

  • Friday Night

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

    Low: 52 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 66.

    High: 66 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 75. North northwest wind around 7 mph.
Tonight
Mostly clear, with a low around 58. West northwest wind around 6 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 77. Calm wind becoming west around 6 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 54. Light and variable wind.
Thursday
Sunny, with a high near 75. Calm wind becoming west around 6 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 53.
Friday
Sunny, with a high near 71.
Friday Night
Partly cloudy, with a low around 52.
Saturday
Mostly sunny, with a high near 66.
Saturday Night
Partly cloudy, with a low around 50.
Sunday
Mostly sunny, with a high near 65.
Sunday Night
Partly cloudy, with a low around 49.
Memorial Day
Mostly sunny, with a high near 63.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles S Portola Valley CA
 37.31°N 122.2°W (Elev. 1598 ft)
1:41 pm PDT May 19, 2026
2pm 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