Tropical Depression Nine Forms; Heavy Rainfall in the Southwest and Southeast this Weekend

Tropical Depression Nine has formed and will continue to slowly move to the north-northwest in the coming days. As the storm passes close to the east coast of Florida, tropical storm conditions are possible Sunday through Monday. Tropical Storm Watches have been issued. Significant uncertainty remains in the track and intensity, but chances for impacts to the Southeast are increasing. Read More >

Current conditions at

Half Moon Bay Airport (KHAF)

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

Mist

63°F

17°C

Humidity 88%
Wind Speed SSW 4 MPH
Barometer 29.85 in (1010.84 mb)
Dewpoint 59°F (15°C)
Visibility 4.00 mi
Last update 27 Sep 05:55 PM PDT
Extended Forecast for

2 Miles NNW Half Moon Bay CA

  • Tonight

    Tonight: Mostly cloudy, with a low around 56. South southwest wind 10 to 13 mph, with gusts as high as 18 mph.

    Low: 56 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 66. South southwest wind around 10 mph.

    High: 66 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Cloudy, with a low around 57. South southwest wind 5 to 7 mph.

    Low: 57 °F

    Cloudy

  • Monday

    Monday: A 40 percent chance of rain, mainly after 11am.  Cloudy, with a high near 67. Southwest wind 6 to 11 mph, with gusts as high as 20 mph.  New precipitation amounts of less than a tenth of an inch possible.

    High: 67 °F

    Chance Rain

  • Monday Night

    Monday Night: A 40 percent chance of rain.  Cloudy, with a low around 56. South wind 5 to 10 mph.  New precipitation amounts of less than a tenth of an inch possible.

    Low: 56 °F

    Chance Rain

  • Tuesday

    Tuesday: A 20 percent chance of rain before 11am.  Partly sunny, with a high near 66.

    High: 66 °F

    Slight Chance
    Rain then
    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 30 percent chance of rain, mainly after 11pm.  Mostly cloudy, with a low around 56.

    Low: 56 °F

    Chance Rain

  • Wednesday

    Wednesday: A chance of rain.  Partly sunny, with a high near 67.

    High: 67 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: A chance of rain, mainly before 11pm.  Mostly cloudy, with a low around 56.

    Low: 56 °F

    Chance Rain

Detailed Forecast

Tonight
Mostly cloudy, with a low around 56. South southwest wind 10 to 13 mph, with gusts as high as 18 mph.
Sunday
Mostly cloudy, with a high near 66. South southwest wind around 10 mph.
Sunday Night
Cloudy, with a low around 57. South southwest wind 5 to 7 mph.
Monday
A 40 percent chance of rain, mainly after 11am. Cloudy, with a high near 67. Southwest wind 6 to 11 mph, with gusts as high as 20 mph. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
A 40 percent chance of rain. Cloudy, with a low around 56. South wind 5 to 10 mph. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
A 20 percent chance of rain before 11am. Partly sunny, with a high near 66.
Tuesday Night
A 30 percent chance of rain, mainly after 11pm. Mostly cloudy, with a low around 56.
Wednesday
A chance of rain. Partly sunny, with a high near 67.
Wednesday Night
A chance of rain, mainly before 11pm. Mostly cloudy, with a low around 56.
Thursday
A slight chance of rain before 11am. Mostly cloudy, with a high near 66.
Thursday Night
Mostly cloudy, with a low around 54.
Friday
Mostly sunny, with a high near 67.
Friday Night
Partly cloudy, with a low around 54.
Saturday
Mostly sunny, with a high near 68.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNW Half Moon Bay CA
 37.5°N 122.42°W (Elev. 440 ft)
1:25 pm PDT Sep 27, 2025
6pm PDT Sep 27, 2025-6pm PDT Oct 4, 2025
 
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Additional Resources

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