Heavy Rainfall and Flooding Concerns in the Southeast; Unsettled Weather in the West

Heavy to excessive rainfall will persist across much of the Southeast U.S. over the next several days, with isolated flash flooding possible. The heaviest rainfall is forecast over the east coast of Florida. Showers and thunderstorms will continue in the Pacific Northwest and Intermountain West through the weekend. Snow could mix with rain in the highest elevations. Read More >

Current conditions at

Half Moon Bay Airport (KHAF)

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

Mostly Cloudy

61°F

16°C

Humidity 100%
Wind Speed NW 12 MPH
Barometer 30.04 in (1017.27 mb)
Dewpoint 61°F (16°C)
Visibility 7.00 mi
Last update 03 Oct 01:55 AM PDT
Extended Forecast for

Half Moon Bay CA

  • Overnight

    Overnight: Mostly cloudy, with a low around 55. West northwest wind 7 to 9 mph.

    Low: 55 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 63. West northwest wind 11 to 15 mph, with gusts as high as 20 mph.

    High: 63 °F

    Partly Sunny

  • Friday Night

    Friday Night: Patchy fog after 4am.  Otherwise, partly cloudy, with a low around 54. Northwest wind 6 to 11 mph becoming light and variable  after midnight. Winds could gust as high as 18 mph.

    Low: 54 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Saturday

    Saturday: Mostly sunny, with a high near 66. Light west northwest wind becoming west 5 to 9 mph in the morning.

    High: 66 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Patchy fog before 1am, then patchy fog after 3am.  Otherwise, mostly cloudy, with a low around 53. West northwest wind 5 to 9 mph becoming calm  in the evening.

    Low: 53 °F

    Patchy Fog

  • Sunday

    Sunday: Mostly sunny, with a high near 68.

    High: 68 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 52.

    Low: 52 °F

    Partly Cloudy

  • Monday

    Monday: Patchy fog before 8am.  Otherwise, mostly sunny, with a high near 68.

    High: 68 °F

    Patchy Fog
    then Sunny

  • Monday Night

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

    Low: 54 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 55. West northwest wind 7 to 9 mph.
Friday
Partly sunny, with a high near 63. West northwest wind 11 to 15 mph, with gusts as high as 20 mph.
Friday Night
Patchy fog after 4am. Otherwise, partly cloudy, with a low around 54. Northwest wind 6 to 11 mph becoming light and variable after midnight. Winds could gust as high as 18 mph.
Saturday
Mostly sunny, with a high near 66. Light west northwest wind becoming west 5 to 9 mph in the morning.
Saturday Night
Patchy fog before 1am, then patchy fog after 3am. Otherwise, mostly cloudy, with a low around 53. West northwest wind 5 to 9 mph becoming calm in the evening.
Sunday
Mostly sunny, with a high near 68.
Sunday Night
Partly cloudy, with a low around 52.
Monday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 68.
Monday Night
Partly cloudy, with a low around 54.
Tuesday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 68.
Tuesday Night
Partly cloudy, with a low around 54.
Wednesday
Mostly sunny, with a high near 68.
Wednesday Night
Mostly cloudy, with a low around 53.
Thursday
Mostly sunny, with a high near 65.
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ABOUT THIS FORECAST

 
Point Forecast:
Half Moon Bay CA
 37.48°N 122.42°W (Elev. 397 ft)
1:26 am PDT Oct 3, 2025
2am PDT Oct 3, 2025-6pm PDT Oct 9, 2025
 
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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