Hawaii and Guam Concerns; Record Warmth Spreads Eastward; Heavy Snow for Sierra-Nevada; Severe Weather for the Plains

A very active spring pattern with tropical concerns across the Pacific. Heavy rainfall will continue to impact Hawaii this weekend. Meanwhile we continue to monitor a developing typhoon that may affect Guam into early next week. For the Lower 48, heavy snow for mountains of California this weekend, increase threat for severe thunderstorms next week for the Plains and record warmth spreads east. Read More >

Current conditions at

LA HONDA (LAHC1)

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

NA

53°F

12°C

Humidity 98%
Wind Speed E 0 MPH
Barometer NA
Dewpoint 52°F (11°C)
Visibility NA
Last update 11 Apr 01:07 AM PDT
Extended Forecast for

4 Miles WSW Portola Valley CA

  • Overnight

    Overnight: A slight chance of rain before 2am, then a slight chance of rain after 4am.  Mostly cloudy, with a steady temperature around 53. Southwest wind around 5 mph.  Chance of precipitation is 20%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 53 °F

    Slight Chance
    Rain

  • Saturday

    Saturday: A chance of rain and thunderstorms, then showers and possibly a thunderstorm after 3pm.  High near 59. South southwest wind 6 to 15 mph, with gusts as high as 32 mph.  Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 59 °F

    Chance Rain
    then Showers

  • Saturday Night

    Saturday Night: Showers and thunderstorms, mainly before 1am, then showers likely and possibly a thunderstorm after 2am.  Low around 47. Southwest wind 9 to 14 mph, with gusts as high as 32 mph.  Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 47 °F

    Showers

  • Sunday

    Sunday: Showers and possibly a thunderstorm.  High near 57. Southwest wind around 11 mph, with gusts as high as 24 mph.  Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 57 °F

    Showers

  • Sunday Night

    Sunday Night: A 30 percent chance of rain, mainly before 11pm.  Partly cloudy, with a low around 46. West southwest wind 5 to 7 mph becoming calm  in the evening.  New precipitation amounts of less than a tenth of an inch possible.

    Low: 46 °F

    Chance Rain

  • Monday

    Monday: Mostly sunny, with a high near 61.

    High: 61 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 46.

    Low: 46 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 62.

    High: 62 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 46.

    Low: 46 °F

    Mostly Clear

Detailed Forecast

Overnight
A slight chance of rain before 2am, then a slight chance of rain after 4am. Mostly cloudy, with a steady temperature around 53. Southwest wind around 5 mph. Chance of precipitation is 20%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
A chance of rain and thunderstorms, then showers and possibly a thunderstorm after 3pm. High near 59. South southwest wind 6 to 15 mph, with gusts as high as 32 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Showers and thunderstorms, mainly before 1am, then showers likely and possibly a thunderstorm after 2am. Low around 47. Southwest wind 9 to 14 mph, with gusts as high as 32 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Sunday
Showers and possibly a thunderstorm. High near 57. Southwest wind around 11 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Sunday Night
A 30 percent chance of rain, mainly before 11pm. Partly cloudy, with a low around 46. West southwest wind 5 to 7 mph becoming calm in the evening. New precipitation amounts of less than a tenth of an inch possible.
Monday
Mostly sunny, with a high near 61.
Monday Night
Mostly clear, with a low around 46.
Tuesday
Mostly sunny, with a high near 62.
Tuesday Night
Mostly clear, with a low around 46.
Wednesday
Mostly sunny, with a high near 63.
Wednesday Night
Mostly cloudy, with a low around 48.
Thursday
Mostly sunny, with a high near 66.
Thursday Night
Mostly clear, with a low around 47.
Friday
Sunny, with a high near 70.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WSW Portola Valley CA
 37.34°N 122.3°W (Elev. 597 ft)
1:26 am PDT Apr 11, 2026
1am PDT Apr 11, 2026-6pm PDT Apr 17, 2026
 
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