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

Half Moon Bay Airport (KHAF)

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

Mostly Cloudy

63°F

17°C

Humidity 63%
Wind Speed NW 9 MPH
Barometer 29.99 in (1015.58 mb)
Dewpoint 50°F (10°C)
Visibility 7.00 mi
Last update 19 Oct 12:55 PM PDT
Extended Forecast for

Half Moon Bay CA

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 58. West wind around 9 mph.

    High: 58 °F

    Partly Sunny

  • Tonight

    Tonight: Cloudy, with a low around 47. West wind around 5 mph becoming calm in the evening.

    Low: 47 °F

    Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 62. Calm wind becoming west southwest around 6 mph in the afternoon.

    High: 62 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: A 40 percent chance of showers, mainly after 4am. Cloudy, with a low around 49. Light and variable wind.

    Low: 49 °F

    Cloudy then
    Chance
    Showers

  • Wednesday

    Wednesday: Showers likely. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 62. Calm wind becoming west southwest around 5 mph in the afternoon. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 62 °F

    Showers
    Likely and
    Patchy Fog

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers. Areas of fog after 8pm. Otherwise, mostly cloudy, with a low around 49. New precipitation amounts of less than a tenth of an inch possible.

    Low: 49 °F

    Chance
    Showers and
    Areas Fog

  • Thursday

    Thursday: A 30 percent chance of showers. Patchy fog before 11am. Otherwise, mostly cloudy, with a high near 61.

    High: 61 °F

    Chance
    Showers and
    Patchy Fog

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 49.

    Low: 49 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 63.

    High: 63 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Partly sunny, with a high near 58. West wind around 9 mph.
Tonight
Cloudy, with a low around 47. West wind around 5 mph becoming calm in the evening.
Tuesday
Mostly cloudy, with a high near 62. Calm wind becoming west southwest around 6 mph in the afternoon.
Tuesday Night
A 40 percent chance of showers, mainly after 4am. Cloudy, with a low around 49. Light and variable wind.
Wednesday
Showers likely. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 62. Calm wind becoming west southwest around 5 mph in the afternoon. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
A 40 percent chance of showers. Areas of fog after 8pm. Otherwise, mostly cloudy, with a low around 49. New precipitation amounts of less than a tenth of an inch possible.
Thursday
A 30 percent chance of showers. Patchy fog before 11am. Otherwise, mostly cloudy, with a high near 61.
Thursday Night
Mostly cloudy, with a low around 49.
Friday
Mostly sunny, with a high near 63.
Friday Night
Patchy fog between 1am and 3am. Otherwise, mostly clear, with a low around 46.
Saturday
Mostly sunny, with a high near 66.
Saturday Night
Partly cloudy, with a low around 48.
Sunday
Mostly sunny, with a high near 68.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Half Moon Bay CA
 37.48°N 122.42°W (Elev. 397 ft)
Last Update:
11:27 am PDT Oct 19, 2026
Forecast Valid:
1pm PDT Oct 19, 2026-6pm PDT Oct 25, 2026
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation