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

Showers and Cooler Temperatures in the East; Multi-Day Rain Event in the Southwest

A cold front in the East will bring showers and thunderstorms and much cooler temperatures from the Northeast into the Southeast. The Southwest, centered around New Mexico, will continue to see showers and thunderstorms, where there maybe isolated flash flooding. Tropical moisture will bring a multi-day period of thunderstorms and locally heavy rainfall across the Southwest beginning Thursday. Read More >

Current conditions at

Half Moon Bay Airport (KHAF)

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

Mostly Cloudy

63°F

17°C

Humidity 93%
Wind Speed S 8 MPH
Barometer 29.86 in (1011.18 mb)
Dewpoint 61°F (16°C)
Visibility 7.00 mi
Last update 07 Oct 04:55 PM PDT
Extended Forecast for

Half Moon Bay CA

  • Tonight

    Tonight: Mostly cloudy, with a low around 57. South wind 5 to 10 mph.

    Low: 57 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 67. South wind 10 to 18 mph, with gusts as high as 21 mph.

    High: 67 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A slight chance of drizzle. Mostly cloudy, with a low around 57. South wind 10 to 14 mph.

    Low: 57 °F

    Slight Chance
    Drizzle

  • Thursday

    Thursday: A slight chance of drizzle before 11am. Partly sunny, with a high near 65. South southwest wind 13 to 16 mph, with gusts as high as 20 mph.

    High: 65 °F

    Slight Chance
    Drizzle then
    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 53. North northwest wind 5 to 10 mph.

    Low: 53 °F

    Partly Cloudy

  • Friday

    Friday: A 20 percent chance of rain after 11am. Mostly sunny, with a high near 65. New precipitation amounts of less than a tenth of an inch possible.

    High: 65 °F

    Slight Chance
    Rain

  • Friday Night

    Friday Night: Partly cloudy, with a low around 54.

    Low: 54 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 65.

    High: 65 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 54.

    Low: 54 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 57. South wind 5 to 10 mph.
Wednesday
Partly sunny, with a high near 67. South wind 10 to 18 mph, with gusts as high as 21 mph.
Wednesday Night
A slight chance of drizzle. Mostly cloudy, with a low around 57. South wind 10 to 14 mph.
Thursday
A slight chance of drizzle before 11am. Partly sunny, with a high near 65. South southwest wind 13 to 16 mph, with gusts as high as 20 mph.
Thursday Night
Partly cloudy, with a low around 53. North northwest wind 5 to 10 mph.
Friday
A 20 percent chance of rain after 11am. Mostly sunny, with a high near 65. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
Partly cloudy, with a low around 54.
Saturday
Sunny, with a high near 65.
Saturday Night
Partly cloudy, with a low around 54.
Sunday
Sunny, with a high near 66.
Sunday Night
Partly cloudy, with a low around 53.
Columbus Day
A slight chance of rain. Partly sunny, with a high near 64.
Monday Night
A chance of rain. Mostly cloudy, with a low around 54.
Tuesday
A chance of rain. Partly sunny, with a high near 65.
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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:
1:26 pm PDT Oct 7, 2025
Forecast Valid:
5pm PDT Oct 7, 2025-6pm PDT Oct 14, 2025
 
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Additional Resources

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Chance of Precipitation