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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

48°F

9°C

Humidity 99%
Wind Speed SW 0 MPH
Barometer NA
Dewpoint 48°F (9°C)
Visibility NA
Last update 13 Apr 03:07 AM PDT
Extended Forecast for

2 Miles S Portola Valley CA

  • Overnight

    Overnight: A 20 percent chance of rain before 4am. Partly cloudy, with a low around 43. Calm wind.

    Low: 43 °F

    Slight Chance
    Rain

  • Monday

    Monday: Mostly sunny, with a high near 58. Calm wind becoming west northwest 5 to 8 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 58 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 46. West wind 5 to 8 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. West northwest wind 6 to 9 mph, with gusts as high as 20 mph.

    Low: 46 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 62.

    High: 62 °F

    Partly Sunny

  • Wednesday Night

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

    Low: 46 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 62.

    High: 62 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 45.

    Low: 45 °F

    Clear

Detailed Forecast

Overnight
A 20 percent chance of rain before 4am. Partly cloudy, with a low around 43. Calm wind.
Monday
Mostly sunny, with a high near 58. 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 wind 5 to 8 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. West northwest wind 6 to 9 mph, with gusts as high as 20 mph.
Wednesday
Partly sunny, with a high near 62.
Wednesday Night
Partly cloudy, with a low around 46.
Thursday
Sunny, with a high near 62.
Thursday Night
Clear, with a low around 45.
Friday
Sunny, with a high near 68.
Friday Night
Mostly clear, with a low around 47.
Saturday
Mostly sunny, with a high near 69.
Saturday Night
Partly cloudy, with a low around 48.
Sunday
A slight chance of rain. Mostly sunny, with a high near 65.
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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 am PDT Apr 13, 2026
Forecast Valid:
3am PDT Apr 13, 2026-6pm PDT Apr 19, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation