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

Snow Squalls in the Northeast U.S. on Thursday; Heavy Rain Along the Gulf Coast

An arctic cold front will move through the Great Lakes and Northeast on Thursday, bringing moderate to heavy snow, strong winds, and possible whiteout conditions through Thursday afternoon. A storm system interacting with Gulf moisture will bring moderate to heavy rainfall to the western and central Gulf Coast on Thursday. Isolated instances of flash flooding will be possible. Read More >

Current conditions at

Half Moon Bay Airport (KHAF)

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

Clear

52°F

11°C

Humidity 53%
Wind Speed ENE 12 MPH
Barometer 30.18 in (1022.01 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Last update 04 Dec 04:15 AM PST
Extended Forecast for

Half Moon Bay CA

  • Today

    Today: Sunny, with a high near 59. Northeast wind 9 to 15 mph, with gusts as high as 18 mph.

    High: 59 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 43. Northeast wind 5 to 7 mph.

    Low: 43 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 61. Calm wind becoming west northwest 5 to 7 mph in the afternoon.

    High: 61 °F

    Sunny

  • Friday Night

    Friday Night: Patchy fog after 1am. Otherwise, partly cloudy, with a low around 47. Calm wind.

    Low: 47 °F

    Partly Cloudy
    then Patchy
    Fog

  • Saturday

    Saturday: Mostly sunny, with a high near 60. North northwest wind 5 to 7 mph.

    High: 60 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 47.

    Low: 47 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 62.

    High: 62 °F

    Mostly Sunny

  • Sunday Night

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

    Low: 46 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 62.

    High: 62 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 59. Northeast wind 9 to 15 mph, with gusts as high as 18 mph.
Tonight
Mostly clear, with a low around 43. Northeast wind 5 to 7 mph.
Friday
Sunny, with a high near 61. Calm wind becoming west northwest 5 to 7 mph in the afternoon.
Friday Night
Patchy fog after 1am. Otherwise, partly cloudy, with a low around 47. Calm wind.
Saturday
Mostly sunny, with a high near 60. North northwest wind 5 to 7 mph.
Saturday Night
Partly cloudy, with a low around 47.
Sunday
Mostly sunny, with a high near 62.
Sunday Night
Mostly cloudy, with a low around 46.
Monday
Mostly sunny, with a high near 62.
Monday Night
Partly cloudy, with a low around 46.
Tuesday
Mostly sunny, with a high near 63.
Tuesday Night
Mostly cloudy, with a low around 47.
Wednesday
Mostly sunny, with a high near 63.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Half Moon Bay CA
 37.48°N 122.42°W (Elev. 397 ft)
Last Update:
2:09 am PST Dec 4, 2025
Forecast Valid:
4am PST Dec 4, 2025-6pm PST Dec 10, 2025
 
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Additional Resources

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Chance of Precipitation