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.

Overcast

13°C

55°F

Humidity 100%
Wind Speed S 9 MPH
Barometer 29.98 in (1015.24 mb)
Dewpoint 13°C (55°F)
Visibility 13 km
Last update 12 Jul 08:15 PM PDT
Extended Forecast for

Half Moon Bay CA

  • Tonight

    Tonight: Mostly cloudy, with a low around 11. South southwest wind 5 to 11 km/h.

    Low: 11 °C

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 18. Southwest wind 5 to 13 km/h.

    High: 18 °C

    Partly Sunny

  • Sunday Night

    Sunday Night: Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 11. Calm wind.

    Low: 11 °C

    Mostly Cloudy
    then Patchy
    Fog

  • Monday

    Monday: Patchy fog before 9am. Otherwise, partly sunny, with a high near 18. Light southwest wind becoming west southwest 8 to 13 km/h in the afternoon.

    High: 18 °C

    Patchy Fog
    then Partly
    Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 11. South southwest wind 5 to 11 km/h.

    Low: 11 °C

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 17.

    High: 17 °C

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Cloudy, with a low around 12.

    Low: 12 °C

    Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 17.

    High: 17 °C

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 12.

    Low: 12 °C

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 11. South southwest wind 5 to 11 km/h.
Sunday
Partly sunny, with a high near 18. Southwest wind 5 to 13 km/h.
Sunday Night
Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 11. Calm wind.
Monday
Patchy fog before 9am. Otherwise, partly sunny, with a high near 18. Light southwest wind becoming west southwest 8 to 13 km/h in the afternoon.
Monday Night
Mostly cloudy, with a low around 11. South southwest wind 5 to 11 km/h.
Tuesday
Mostly cloudy, with a high near 17.
Tuesday Night
Cloudy, with a low around 12.
Wednesday
Mostly cloudy, with a high near 17.
Wednesday Night
Mostly cloudy, with a low around 12.
Thursday
Partly sunny, with a high near 17.
Thursday Night
Mostly cloudy, with a low around 12.
Friday
Partly sunny, with a high near 17.
Friday Night
Patchy fog. Otherwise, mostly cloudy, with a low around 11.
Saturday
Patchy fog. Otherwise, mostly cloudy, with a high near 17.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Half Moon Bay CA
 37.48°N 122.42°W (Elev. 397 m)
Last Update:
3:36 pm PDT Jul 12, 2025
Forecast Valid:
8pm PDT Jul 12, 2025-6pm PDT Jul 19, 2025
 
Forecast Discussion
 
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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