Air Quality Concerns; Fire Weather in the West; Flash Flooding in the Southeast

Wildfire smoke continues to result in poor air quality from the Upper Midwest into the Northeast. Multiple days of hot, dry and windy conditions are expected to bring fire weather concerns for portions of the Four Corners region into the central Great Basin and Rockies. Heavy rainfall and a flash flooding threat continues in the Southeast. Severe thunderstorms continue across the Northern Plains Read More >

Current conditions at

Half Moon Bay Airport (KHAF)

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

Overcast

57°F

14°C

Humidity 100%
Wind Speed W 6 MPH
Barometer 30.05 in (1017.61 mb)
Dewpoint 57°F (14°C)
Visibility 7.00 mi
Last update 05 Aug 04:55 AM PDT
Extended Forecast for

Half Moon Bay CA

  • Today

    Today: Partly sunny, with a high near 63. West wind 5 to 9 mph.

    High: 63 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 54. West wind around 6 mph becoming calm  after midnight.

    Low: 54 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 67. Light west wind becoming west northwest 5 to 9 mph in the afternoon.

    High: 67 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Increasing clouds, with a low around 57. West northwest wind 6 to 10 mph.

    Low: 57 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Mostly cloudy, with a high near 65. West wind 3 to 8 mph.

    High: 65 °F

    Mostly Cloudy

  • Thursday Night

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

    Low: 55 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 67.

    High: 67 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 56.

    Low: 56 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 68.

    High: 68 °F

    Partly Sunny

Detailed Forecast

Today
Partly sunny, with a high near 63. West wind 5 to 9 mph.
Tonight
Mostly cloudy, with a low around 54. West wind around 6 mph becoming calm after midnight.
Wednesday
Mostly sunny, with a high near 67. Light west wind becoming west northwest 5 to 9 mph in the afternoon.
Wednesday Night
Increasing clouds, with a low around 57. West northwest wind 6 to 10 mph.
Thursday
Mostly cloudy, with a high near 65. West wind 3 to 8 mph.
Thursday Night
Mostly cloudy, with a low around 55.
Friday
Partly sunny, with a high near 67.
Friday Night
Mostly cloudy, with a low around 56.
Saturday
Partly sunny, with a high near 68.
Saturday Night
Mostly cloudy, with a low around 56.
Sunday
Partly sunny, with a high near 67.
Sunday Night
Patchy fog. Otherwise, mostly cloudy, with a low around 57.
Monday
Patchy fog. Otherwise, mostly cloudy, with a high near 66.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Half Moon Bay CA
 37.47°N 122.45°W (Elev. 7 ft)
1:50 am PDT Aug 5, 2025
5am PDT Aug 5, 2025-6pm PDT Aug 11, 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