Hawaii and Guam Concerns; Severe Weather for the Plains; Heavy Snow for Sierra-Nevada

Heavy rainfall capable of causing flash flooding will continue to impact Hawaii through Monday. Severe thunderstorms and heavy rain are possible in parts of Texas and the southern Plains and the Upper Great Lakes. Heavy mountain snow continues in California's Sierra Nevada and rain with gusty winds to lower elevations. Super Typhoon Sinlaku will impact the Marianas through midweek. Read More >

Current conditions at

LA HONDA (LAHC1)

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

NA

49°F

9°C

Humidity 98%
Wind Speed SW 3 MPH
Barometer NA
Dewpoint 48°F (9°C)
Visibility NA
Last update 12 Apr 09:07 PM PDT
Extended Forecast for

4 Miles S Portola Valley CA

  • Tonight

    Tonight: A 30 percent chance of rain, mainly before 2am.  Mostly cloudy, with a low around 44. West wind 3 to 6 mph.  New precipitation amounts of less than a tenth of an inch possible.

    Low: 44 °F

    Chance Rain

  • Monday

    Monday: Mostly sunny, with a high near 52. Light north northwest wind becoming west northwest 5 to 9 mph in the morning. Winds could gust as high as 18 mph.

    High: 52 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 48. West northwest wind around 11 mph, with gusts as high as 20 mph.

    Low: 48 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 54. West northwest wind around 10 mph, with gusts as high as 18 mph.

    High: 54 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 49. West northwest wind around 10 mph, with gusts as high as 20 mph.

    Low: 49 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 56.

    High: 56 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 48.

    Low: 48 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 57.

    High: 57 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 48.

    Low: 48 °F

    Clear

Detailed Forecast

Tonight
A 30 percent chance of rain, mainly before 2am. Mostly cloudy, with a low around 44. West wind 3 to 6 mph. New precipitation amounts of less than a tenth of an inch possible.
Monday
Mostly sunny, with a high near 52. Light north northwest wind becoming west northwest 5 to 9 mph in the morning. Winds could gust as high as 18 mph.
Monday Night
Partly cloudy, with a low around 48. West northwest wind around 11 mph, with gusts as high as 20 mph.
Tuesday
Mostly sunny, with a high near 54. West northwest wind around 10 mph, with gusts as high as 18 mph.
Tuesday Night
Partly cloudy, with a low around 49. West northwest wind around 10 mph, with gusts as high as 20 mph.
Wednesday
Partly sunny, with a high near 56.
Wednesday Night
Partly cloudy, with a low around 48.
Thursday
Sunny, with a high near 57.
Thursday Night
Clear, with a low around 48.
Friday
Sunny, with a high near 63.
Friday Night
Mostly clear, with a low around 48.
Saturday
Sunny, with a high near 64.
Saturday Night
Partly cloudy, with a low around 50.
Sunday
Mostly sunny, with a high near 63.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles S Portola Valley CA
 37.33°N 122.21°W (Elev. 2231 ft)
6:36 pm PDT Apr 12, 2026
9pm PDT Apr 12, 2026-6pm PDT Apr 19, 2026
 
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Additional Resources

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