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

Widespread Precipitation and Gusty Winds in the West; Snow from the Great Lakes to the Northeast

A Pacific storm system is expected to bring strong winds and more precipitation to the western U.S., along with the likelihood of snowfall into the Sierra Nevada. Accumulating snow will develop downwind from the Great Lakes into parts of the Northeast through Saturday. Polar air will surge into the eastern half of the country this weekend. Read More >

Hazardous Weather Conditions

Current conditions at

Half Moon Bay Airport (KHAF)

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

Mist

64°F

18°C

Humidity 88%
Wind Speed S 18 MPH
Barometer 29.74 in (1007.11 mb)
Dewpoint 61°F (16°C)
Visibility 5.00 mi
Last update 12 Nov 05:55 PM PST
Extended Forecast for

4 Miles ENE Half Moon Bay CA

Coastal Flood Advisory November 14, 12:00am until November 14, 06:00pm
High Surf Warning November 13, 06:00pm until November 15, 04:00am
Click here for hazard details and duration
Coastal Flood Advisory
High Surf Warning

  • Tonight

    Tonight: A slight chance of rain before 4am, then a slight chance of rain after 5am. Partly cloudy, with a low around 53. Breezy, with a south wind 18 to 23 mph, with gusts as high as 37 mph. Chance of precipitation is 20%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 53 °F

    Slight Chance
    Rain and
    Breezy

  • Friday

    Friday: Rain, mainly before 5pm. Temperature falling to around 51 by 5pm. Breezy, with a west southwest wind 21 to 26 mph, with gusts as high as 41 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 59 °F⇓

    Rain and
    Breezy

  • Friday Night

    Friday Night: A chance of rain before 1am, then a chance of rain after 3am. Mostly cloudy, with a low around 49. Southwest wind 5 to 11 mph, with gusts as high as 18 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 49 °F

    Chance Rain

  • Saturday

    Saturday: A 30 percent chance of rain before 10am. Partly sunny, with a high near 59. Light and variable wind becoming southwest around 6 mph in the afternoon. New precipitation amounts of less than a tenth of an inch possible.

    High: 59 °F

    Chance Rain
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 50. Light south southwest wind becoming south 5 to 9 mph in the evening.

    Low: 50 °F

    Mostly Cloudy

  • Sunday

    Sunday: Rain, mainly after 10am. High near 58. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 58 °F

    Rain

  • Sunday Night

    Sunday Night: Rain, mainly before 4am. Low around 49. Chance of precipitation is 90%.

    Low: 49 °F

    Rain then
    Rain Likely

  • Monday

    Monday: A chance of rain, mainly before 10am. Partly sunny, with a high near 54.

    High: 54 °F

    Chance Rain

  • Monday Night

    Monday Night: A slight chance of rain before 10pm. Partly cloudy, with a low around 46.

    Low: 46 °F

    Slight Chance
    Rain then
    Partly Cloudy

Detailed Forecast

Tonight
A slight chance of rain before 4am, then a slight chance of rain after 5am. Partly cloudy, with a low around 53. Breezy, with a south wind 18 to 23 mph, with gusts as high as 37 mph. Chance of precipitation is 20%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Rain, mainly before 5pm. Temperature falling to around 51 by 5pm. Breezy, with a west southwest wind 21 to 26 mph, with gusts as high as 41 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Friday Night
A chance of rain before 1am, then a chance of rain after 3am. Mostly cloudy, with a low around 49. Southwest wind 5 to 11 mph, with gusts as high as 18 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
A 30 percent chance of rain before 10am. Partly sunny, with a high near 59. Light and variable wind becoming southwest around 6 mph in the afternoon. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
Mostly cloudy, with a low around 50. Light south southwest wind becoming south 5 to 9 mph in the evening.
Sunday
Rain, mainly after 10am. High near 58. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
Rain, mainly before 4am. Low around 49. Chance of precipitation is 90%.
Monday
A chance of rain, mainly before 10am. Partly sunny, with a high near 54.
Monday Night
A slight chance of rain before 10pm. Partly cloudy, with a low around 46.
Tuesday
Sunny, with a high near 53.
Tuesday Night
A chance of rain. Partly cloudy, with a low around 48.
Wednesday
Rain. Cloudy, with a high near 54.
Wednesday Night
Rain. Mostly cloudy, with a low around 47.
Thursday
Rain likely. Partly sunny, with a high near 54.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ENE Half Moon Bay CA
 37.48°N 122.36°W (Elev. 1010 ft)
Last Update:
2:41 pm PST Nov 12, 2026
Forecast Valid:
6pm PST Nov 12, 2026-6pm PST Nov 19, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation