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Heavy Snow in the Sierra Nevada; Heavy Rainfall in Texas Sunday

Heavy snow is expected in the Sierra Nevada mountain ranges into Saturday causing hazardous travel conditions. Winter Storm Warnings have been issued. Thunderstorms and moderate to heavy rainfall are expected across portions of eastern Texas into Louisiana on Sunday. Read More >

Hazardous Weather Conditions

Current conditions at

Half Moon Bay Airport (KHAF)

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

haze

63°F

17°C

Humidity 82%
Wind Speed SSW 25 MPH
Barometer 29.61 in (1002.71 mb)
Dewpoint 57°F (14°C)
Visibility 4.00 mi
Last update 13 Nov 09:35 AM PST
Extended Forecast for

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

  • Today

    Today: Rain and possibly a thunderstorm before 4pm, then rain likely. High near 62. Breezy, with a west wind 14 to 22 mph, with gusts as high as 37 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 62 °F

    Rain and
    Breezy

  • Tonight

    Tonight: A 30 percent chance of rain, mainly before 2am. Mostly cloudy, with a low around 46. West wind 5 to 8 mph becoming calm in the evening. New precipitation amounts of less than a tenth of an inch possible.

    Low: 46 °F

    Chance Rain

  • Saturday

    Saturday: A slight chance of rain between 7am and 10am. Mostly cloudy, with a high near 64. Calm wind becoming southwest around 6 mph in the morning. Chance of precipitation is 20%. New precipitation amounts of less than a tenth of an inch possible.

    High: 64 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 48. Calm wind becoming south around 5 mph in the evening.

    Low: 48 °F

    Mostly Cloudy

  • Sunday

    Sunday: Rain likely after 10am. Cloudy, with a high near 63. South wind 9 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

    High: 63 °F

    Rain Likely

  • Sunday Night

    Sunday Night: Rain, mainly before 4am. Low around 45. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 45 °F

    Rain

  • Monday

    Monday: A 50 percent chance of rain, mainly before 10am. Partly sunny, with a high near 60.

    High: 60 °F

    Chance Rain
    then Slight
    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

  • Tuesday

    Tuesday: A slight chance of rain after 4pm. Mostly sunny, with a high near 60.

    High: 60 °F

    Mostly Sunny
    then Slight
    Chance Rain

Detailed Forecast

Today
Rain and possibly a thunderstorm before 4pm, then rain likely. High near 62. Breezy, with a west wind 14 to 22 mph, with gusts as high as 37 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Tonight
A 30 percent chance of rain, mainly before 2am. Mostly cloudy, with a low around 46. West wind 5 to 8 mph becoming calm in the evening. New precipitation amounts of less than a tenth of an inch possible.
Saturday
A slight chance of rain between 7am and 10am. Mostly cloudy, with a high near 64. Calm wind becoming southwest around 6 mph in the morning. Chance of precipitation is 20%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
Mostly cloudy, with a low around 48. Calm wind becoming south around 5 mph in the evening.
Sunday
Rain likely after 10am. Cloudy, with a high near 63. South wind 9 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Sunday Night
Rain, mainly before 4am. Low around 45. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Monday
A 50 percent chance of rain, mainly before 10am. Partly sunny, with a high near 60.
Monday Night
A slight chance of rain before 10pm. Partly cloudy, with a low around 46.
Tuesday
A slight chance of rain after 4pm. Mostly sunny, with a high near 60.
Tuesday Night
Rain likely, mainly after 10pm. Mostly cloudy, with a low around 48.
Wednesday
Rain. Cloudy, with a high near 60.
Wednesday Night
Rain likely. Mostly cloudy, with a low around 46.
Thursday
A chance of rain. Partly sunny, with a high near 58.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Half Moon Bay CA
 37.47°N 122.45°W (Elev. 7 ft)
Last Update:
8:41 am PST Nov 13, 2026
Forecast Valid:
10am PST Nov 13, 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