National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Snow Squalls May Impact New Year's Eve Travel from the Great Lakes to the Mid-Atlantic; Heavy Rain & Isolated Severe Thunderstorms in Southern California

Snow squalls are likely to cross the Lower Great Lakes this evening and the Ohio Valley through the interior Northeast/northern Mid-Atlantic overnight, before potentially reaching the I-95 corridor from D.C. to New York City early New Year’s Day morning. Heavy rain and isolated severe thunderstorms will impact coastal southern California including Los Angeles tonight into early on New Year's Day. Read More >

Current conditions at

LA HONDA (LAHC1)

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

NA

55°F

13°C

Humidity 100%
Wind Speed E 3 MPH
Barometer NA
Dewpoint 55°F (13°C)
Visibility NA
Last update 31 Dec 11:07 PM PST
Extended Forecast for

3 Miles SSW Portola Valley CA

  • Overnight

    Overnight: Rain. Steady temperature around 54. South southeast wind around 14 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 54 °F

    Rain

  • New Year's Day

    New Year's Day: Rain before 1pm, then showers and possibly a thunderstorm between 1pm and 4pm, then rain and possibly a thunderstorm after 4pm. High near 57. South wind 11 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 57 °F

    Showers

  • Thursday Night

    Thursday Night: Rain likely, mainly before 8pm. Mostly cloudy, with a steady temperature around 53. South southeast wind 13 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 53 °F

    Rain Likely
    then Chance
    Rain

  • Friday

    Friday: Rain, mainly after 4pm. High near 58. South wind 14 to 20 mph, with gusts as high as 32 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 58 °F

    Chance Rain
    then Rain

  • Friday Night

    Friday Night: Rain. Low around 53. Breezy, with a south wind 21 to 23 mph, with gusts as high as 43 mph. Chance of precipitation is 90%. New precipitation amounts between three quarters and one inch possible.

    Low: 53 °F

    Rain and
    Breezy

  • Saturday

    Saturday: Rain before 10am, then showers and possibly a thunderstorm between 10am and 1pm, then rain after 1pm. High near 58. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 58 °F

    Showers

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm before 4am, then rain and possibly a thunderstorm after 4am. Low around 53. Chance of precipitation is 90%.

    Low: 53 °F

    Showers

  • Sunday

    Sunday: Rain. Cloudy, with a high near 56.

    High: 56 °F

    Rain

  • Sunday Night

    Sunday Night: Rain. Mostly cloudy, with a low around 50.

    Low: 50 °F

    Rain

Detailed Forecast

Overnight
Rain. Steady temperature around 54. South southeast wind around 14 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
New Year's Day
Rain before 1pm, then showers and possibly a thunderstorm between 1pm and 4pm, then rain and possibly a thunderstorm after 4pm. High near 57. South wind 11 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night
Rain likely, mainly before 8pm. Mostly cloudy, with a steady temperature around 53. South southeast wind 13 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Rain, mainly after 4pm. High near 58. South wind 14 to 20 mph, with gusts as high as 32 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
Rain. Low around 53. Breezy, with a south wind 21 to 23 mph, with gusts as high as 43 mph. Chance of precipitation is 90%. New precipitation amounts between three quarters and one inch possible.
Saturday
Rain before 10am, then showers and possibly a thunderstorm between 10am and 1pm, then rain after 1pm. High near 58. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Saturday Night
Showers and possibly a thunderstorm before 4am, then rain and possibly a thunderstorm after 4am. Low around 53. Chance of precipitation is 90%.
Sunday
Rain. Cloudy, with a high near 56.
Sunday Night
Rain. Mostly cloudy, with a low around 50.
Monday
Rain likely. Mostly cloudy, with a high near 55.
Monday Night
Rain likely. Mostly cloudy, with a low around 48.
Tuesday
A chance of rain. Partly sunny, with a high near 56.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 46.
Wednesday
A chance of rain. Partly sunny, with a high near 55.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSW Portola Valley CA
 37.32°N 122.24°W (Elev. 997 ft)
Last Update:
2:14 pm PST Dec 31, 2025
Forecast Valid:
12am PST Jan 1, 2026-6pm PST Jan 7, 2026
 
Forecast Discussion
 
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