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

Half Moon Bay Airport (KHAF)

Lat: 37.5136°NLon: 122.4996°WElev: 65.0ft.

light rain,mist

55°F

13°C

Humidity 100%
Wind Speed N 0 MPH
Barometer 29.89 in (1012.19 mb)
Dewpoint 55°F (13°C)
Visibility 2.00 mi
Last update 31 Dec 05:55 PM PST
Extended Forecast for

2 Miles S Pacifica CA

Coastal Flood Advisory December 31, 06:28pm until January 4, 02:00pm
Click here for hazard details and duration
Coastal Flood Advisory
  •  
    Coastal Flood Advisory December 31, 06:28pm until January 4, 02:00pm

    NOW until 2:00pm Sun

    Coastal Flood Advisory

  • Tonight

    Low: 51 °F

    Rain

  • New Year's Day

    New Year's Day: Rain.  High near 59. South wind 16 to 18 mph, with gusts as high as 28 mph.  Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    High: 59 °F

    Rain

  • Thursday Night

    Thursday Night: A 40 percent chance of rain, mainly after 3am.  Mostly cloudy, with a steady temperature around 55. South southeast wind 14 to 17 mph, with gusts as high as 26 mph.  New precipitation amounts of less than a tenth of an inch possible.

    Low: 55 °F

    Chance Rain

  • Friday

    Friday: Rain likely, mainly after 10am.  Mostly cloudy, with a high near 60. South southeast wind 16 to 21 mph, with gusts as high as 33 mph.  Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 60 °F

    Rain Likely

  • Friday Night

    Friday Night: Rain.  Low around 54. Breezy, with a south wind 23 to 25 mph, with gusts as high as 46 mph.  Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.

    Low: 54 °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 60. Breezy.  Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 60 °F

    Showers and
    Breezy

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm.  Low around 52. Chance of precipitation is 90%.

    Low: 52 °F

    Showers

  • Sunday

    Sunday: Rain.  Cloudy, with a high near 58.

    High: 58 °F

    Rain

Detailed Forecast

Tonight
Rain. Temperature rising to around 54 by 5am. East wind 10 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New precipitation amounts between three quarters and one inch possible.
New Year's Day
Rain. High near 59. South wind 16 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Thursday Night
A 40 percent chance of rain, mainly after 3am. Mostly cloudy, with a steady temperature around 55. South southeast wind 14 to 17 mph, with gusts as high as 26 mph. New precipitation amounts of less than a tenth of an inch possible.
Friday
Rain likely, mainly after 10am. Mostly cloudy, with a high near 60. South southeast wind 16 to 21 mph, with gusts as high as 33 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
Rain. Low around 54. Breezy, with a south wind 23 to 25 mph, with gusts as high as 46 mph. Chance of precipitation is 100%. 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 60. Breezy. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Saturday Night
Showers and possibly a thunderstorm. Low around 52. Chance of precipitation is 90%.
Sunday
Rain. Cloudy, with a high near 58.
Sunday Night
Rain. Mostly cloudy, with a low around 50.
Monday
Rain. Mostly cloudy, with a high near 58.
Monday Night
Rain likely. Mostly cloudy, with a low around 48.
Tuesday
A chance of rain. Partly sunny, with a high near 57.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 47.
Wednesday
A chance of rain. Partly sunny, with a high near 56.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles S Pacifica CA
 37.58°N 122.47°W (Elev. 240 ft)
2:14 pm PST Dec 31, 2025
6pm PST Dec 31, 2025-6pm PST Jan 7, 2026
 
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Additional Resources

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