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Hazardous Weather Conditions

Current conditions at

Half Moon Bay Airport (KHAF)

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

haze

66°F

19°C

Humidity 88%
Wind Speed NW 10 MPH
Barometer 29.9 in (1012.53 mb)
Dewpoint 63°F (17°C)
Visibility 6.00 mi
Last update 04 Oct 02:35 PM PDT
Extended Forecast for

Half Moon Bay CA

Heat Advisory October 4, 02:52pm until October 4, 10:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory October 4, 02:52pm until October 4, 10:00pm

    NOW until 10:00pm Sun

    Heat Advisory

  • This Afternoon

    High: 79 °F

    Partly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 60. Calm wind.

    Low: 60 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 77. Calm wind becoming west around 6 mph in the afternoon.

    High: 77 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 59. Light and variable wind.

    Low: 59 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 77. Calm wind becoming west northwest around 5 mph in the afternoon.

    High: 77 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 61.

    Low: 61 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 76.

    High: 76 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 58.

    Low: 58 °F

    Partly Cloudy

Detailed Forecast

This Afternoon
Partly sunny, with a high near 79. West northwest wind around 5 mph.
Tonight
Partly cloudy, with a low around 60. Calm wind.
Monday
Sunny, with a high near 77. Calm wind becoming west around 6 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 59. Light and variable wind.
Tuesday
Sunny, with a high near 77. Calm wind becoming west northwest around 5 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 61.
Wednesday
Sunny, with a high near 76.
Wednesday Night
Partly cloudy, with a low around 58.
Thursday
Mostly sunny, with a high near 70.
Thursday Night
Mostly cloudy, with a low around 57.
Friday
Partly sunny, with a high near 67.
Friday Night
Mostly cloudy, with a low around 57.
Saturday
Partly sunny, with a high near 63.
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Forecast Area
Tiles ©ESRI

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 4, 2026
Forecast Valid:
2pm PDT Oct 4, 2026-6pm PDT Oct 10, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation