Flooding Threat Along the Gulf Coast, Southern Rockies and High Plains; Cooler Weather in the Central and Eastern U.S.

Strong thunderstorms may bring excessive rainfall and flooding over parts of the northern Gulf Coast today and over parts of the southern Rockies into the High Plains today through the weekend. A refreshingly cool and dry air mass will continue to produce below average temperatures across the central and eastern U.S. through the weekend. Read More >

Current conditions at

Half Moon Bay Airport (KHAF)

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

Clear

64°F

18°C

Humidity 82%
Wind Speed NNW 10 MPH
Barometer 29.94 in (1013.89 mb)
Dewpoint 59°F (15°C)
Visibility 7.00 mi
Last update 30 Aug 07:15 PM PDT
Extended Forecast for

Half Moon Bay CA

  • Tonight

    Tonight: Partly cloudy, with a low around 57. West southwest wind 3 to 7 mph.

    Low: 57 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 72. Light west wind increasing to 5 to 10 mph in the morning.

    High: 72 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 55. West wind 5 to 7 mph.

    Low: 55 °F

    Partly Cloudy

  • Labor Day

    Labor Day: Partly sunny, with a high near 69. West wind 5 to 10 mph.

    High: 69 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 55. West southwest wind 3 to 8 mph.

    Low: 55 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 67.

    High: 67 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 55.

    Low: 55 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 66.

    High: 66 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 55.

    Low: 55 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 57. West southwest wind 3 to 7 mph.
Sunday
Mostly sunny, with a high near 72. Light west wind increasing to 5 to 10 mph in the morning.
Sunday Night
Partly cloudy, with a low around 55. West wind 5 to 7 mph.
Labor Day
Partly sunny, with a high near 69. West wind 5 to 10 mph.
Monday Night
Mostly cloudy, with a low around 55. West southwest wind 3 to 8 mph.
Tuesday
Partly sunny, with a high near 67.
Tuesday Night
Mostly cloudy, with a low around 55.
Wednesday
Mostly cloudy, with a high near 66.
Wednesday Night
Mostly cloudy, with a low around 55.
Thursday
Mostly cloudy, with a high near 66.
Thursday Night
Cloudy, with a low around 55.
Friday
Mostly cloudy, with a high near 65.
Friday Night
Cloudy, with a low around 55.
Saturday
Mostly cloudy, with a high near 66.
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ABOUT THIS FORECAST

 
Point Forecast:
Half Moon Bay CA
 37.48°N 122.42°W (Elev. 397 ft)
12:42 pm PDT Aug 30, 2025
7pm PDT Aug 30, 2025-6pm PDT Sep 6, 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