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

Heavy Rainfall Continues in Florida; Critical Fire Weather in the Southeast; Heavy Rain and Flooding Concerns in Hawaii

Thunderstorms and periods of heavy to excessive rainfall will continue over Florida through Thursday. Gusty winds and low humidity will promote elevated to critical fire weather conditions from central Georgia into north-central North Carolina Wednesday. A Kona Low is expected to bring strong winds, widespread heavy rainfall, and flooding concerns to the island chain through the weekend. Read More >

Current conditions at

Half Moon Bay Airport (KHAF)

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

Mostly Cloudy

54°F

12°C

Humidity 100%
Wind Speed NNW 3 MPH
Barometer 30.07 in (1018.29 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 07 Apr 11:15 PM PDT
Extended Forecast for

Half Moon Bay CA

  • Tonight

    Tonight: Partly cloudy, with a low around 48. West wind around 6 mph.

    Low: 48 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 67. Calm wind becoming west 5 to 8 mph in the morning.

    High: 67 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Patchy fog after midnight. Otherwise, increasing clouds, with a low around 51. West wind around 5 mph becoming calm in the evening.

    Low: 51 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Thursday

    Thursday: A 20 percent chance of rain after 11am. Areas of fog before 9am. Otherwise, partly sunny, with a high near 67. Calm wind becoming southwest 5 to 8 mph in the afternoon.

    High: 67 °F

    Slight Chance
    Rain and
    Areas Fog

  • Thursday Night

    Thursday Night: A 40 percent chance of rain after 11pm. Mostly cloudy, with a low around 51. South wind 3 to 7 mph. New precipitation amounts of less than a tenth of an inch possible.

    Low: 51 °F

    Chance Rain

  • Friday

    Friday: Rain likely before 11am, then showers likely and possibly a thunderstorm between 11am and 2pm, then rain likely after 2pm. Mostly cloudy, with a high near 66. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 66 °F

    Showers
    Likely

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 11pm, then showers likely and possibly a thunderstorm between 11pm and 2am, then rain likely after 2am. Mostly cloudy, with a low around 49. Chance of precipitation is 60%.

    Low: 49 °F

    Showers
    Likely

  • Saturday

    Saturday: A chance of rain, then showers likely and possibly a thunderstorm after 11am. Mostly cloudy, with a high near 63.

    High: 63 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: A chance of rain. Mostly cloudy, with a low around 46.

    Low: 46 °F

    Chance Rain

Detailed Forecast

Tonight
Partly cloudy, with a low around 48. West wind around 6 mph.
Wednesday
Sunny, with a high near 67. Calm wind becoming west 5 to 8 mph in the morning.
Wednesday Night
Patchy fog after midnight. Otherwise, increasing clouds, with a low around 51. West wind around 5 mph becoming calm in the evening.
Thursday
A 20 percent chance of rain after 11am. Areas of fog before 9am. Otherwise, partly sunny, with a high near 67. Calm wind becoming southwest 5 to 8 mph in the afternoon.
Thursday Night
A 40 percent chance of rain after 11pm. Mostly cloudy, with a low around 51. South wind 3 to 7 mph. New precipitation amounts of less than a tenth of an inch possible.
Friday
Rain likely before 11am, then showers likely and possibly a thunderstorm between 11am and 2pm, then rain likely after 2pm. Mostly cloudy, with a high near 66. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
A chance of showers and thunderstorms before 11pm, then showers likely and possibly a thunderstorm between 11pm and 2am, then rain likely after 2am. Mostly cloudy, with a low around 49. Chance of precipitation is 60%.
Saturday
A chance of rain, then showers likely and possibly a thunderstorm after 11am. Mostly cloudy, with a high near 63.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 46.
Sunday
A chance of showers and thunderstorms. Partly sunny, with a high near 61.
Sunday Night
A slight chance of rain. Partly cloudy, with a low around 46.
Monday
Mostly sunny, with a high near 64.
Monday Night
Mostly clear, with a low around 45.
Tuesday
Mostly sunny, with a high near 66.
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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:
11:31 pm PDT Apr 7, 2026
Forecast Valid:
11pm PDT Apr 7, 2026-6pm PDT Apr 14, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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