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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

56°F

13°C

Humidity 77%
Wind Speed SW 5 MPH
Barometer NA
Dewpoint 49°F (9°C)
Visibility NA
Last update 12 Apr 11:07 AM PDT
Extended Forecast for

2 Miles S Portola Valley CA

  • Today

    Today: Showers and possibly a thunderstorm, mainly before 4pm, then a chance of showers and thunderstorms after 4pm. High near 54. Southwest wind 9 to 11 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 54 °F

    Showers

  • Tonight

    Tonight: A 40 percent chance of showers after 3am. Partly cloudy, with a low around 44. West southwest wind around 6 mph becoming calm in the evening.

    Low: 44 °F

    Chance
    Showers

  • Monday

    Monday: Mostly sunny, with a high near 59. Calm wind becoming west northwest 5 to 8 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 59 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 46. West northwest wind 6 to 9 mph, with gusts as high as 18 mph.

    Low: 46 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 60. West northwest wind 6 to 8 mph, with gusts as high as 18 mph.

    High: 60 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 46.

    Low: 46 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 62.

    High: 62 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 46.

    Low: 46 °F

    Mostly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 64.

    High: 64 °F

    Sunny

Detailed Forecast

Today
Showers and possibly a thunderstorm, mainly before 4pm, then a chance of showers and thunderstorms after 4pm. High near 54. Southwest wind 9 to 11 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
A 40 percent chance of showers after 3am. Partly cloudy, with a low around 44. West southwest wind around 6 mph becoming calm in the evening.
Monday
Mostly sunny, with a high near 59. Calm wind becoming west northwest 5 to 8 mph in the afternoon. Winds could gust as high as 18 mph.
Monday Night
Partly cloudy, with a low around 46. West northwest wind 6 to 9 mph, with gusts as high as 18 mph.
Tuesday
Mostly sunny, with a high near 60. West northwest wind 6 to 8 mph, with gusts as high as 18 mph.
Tuesday Night
Partly cloudy, with a low around 46.
Wednesday
Partly sunny, with a high near 62.
Wednesday Night
Mostly cloudy, with a low around 46.
Thursday
Sunny, with a high near 64.
Thursday Night
Clear, with a low around 45.
Friday
Sunny, with a high near 68.
Friday Night
Mostly clear, with a low around 45.
Saturday
Sunny, with a high near 70.
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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:
11:27 am PDT Apr 12, 2026
Forecast Valid:
11am PDT Apr 12, 2026-6pm PDT Apr 18, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation