National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Half Moon Bay Airport (KHAF)

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

haze

54°F

12°C

Humidity 81%
Wind Speed SE 12 MPH
Barometer 29.77 in (1008.13 mb)
Dewpoint 48°F (9°C)
Visibility 6.00 mi
Last update 12 Oct 12:35 AM PDT
Extended Forecast for

Half Moon Bay CA

  • Overnight

    Overnight: Mostly clear, with a low around 48. East southeast wind 3 to 5 mph.

    Low: 48 °F

    Mostly Clear

  • Columbus Day

    Columbus Day: Sunny, with a high near 62. Calm wind becoming west 5 to 7 mph in the afternoon.

    High: 62 °F

    Sunny

  • Monday Night

    Monday Night: Patchy fog after 4am. Otherwise, partly cloudy, with a low around 47. Calm wind.

    Low: 47 °F

    Partly Cloudy
    then Patchy
    Fog

  • Tuesday

    Tuesday: Patchy fog before 7am. Otherwise, mostly sunny, with a high near 64. Calm wind becoming northwest 5 to 7 mph in the afternoon.

    High: 64 °F

    Patchy Fog
    then Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 49. West northwest wind 5 to 8 mph becoming calm in the evening.

    Low: 49 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 66.

    High: 66 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 50.

    Low: 50 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 74.

    High: 74 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 56.

    Low: 56 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 48. East southeast wind 3 to 5 mph.
Columbus Day
Sunny, with a high near 62. Calm wind becoming west 5 to 7 mph in the afternoon.
Monday Night
Patchy fog after 4am. Otherwise, partly cloudy, with a low around 47. Calm wind.
Tuesday
Patchy fog before 7am. Otherwise, mostly sunny, with a high near 64. Calm wind becoming northwest 5 to 7 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 49. West northwest wind 5 to 8 mph becoming calm in the evening.
Wednesday
Mostly sunny, with a high near 66.
Wednesday Night
Partly cloudy, with a low around 50.
Thursday
Sunny, with a high near 74.
Thursday Night
Mostly clear, with a low around 56.
Friday
Sunny, with a high near 75.
Friday Night
Partly cloudy, with a low around 56.
Saturday
Sunny, with a high near 70.
Saturday Night
Patchy fog. Otherwise, partly cloudy, with a low around 54.
Sunday
Patchy fog. Otherwise, mostly 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:
11:27 pm PDT Oct 11, 2026
Forecast Valid:
12am PDT Oct 12, 2026-6pm PDT Oct 18, 2026
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

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Chance of Precipitation