Areas of Severe Thunderstorms and Excessive Rainfall Today

Scattered severe thunderstorms capable of damaging wind gusts are expected across the Mid-Atlantic vicinity this afternoon and evening. Additional strong to severe storms are expected across the upper Ohio Valley and Lower Great Lakes area. Excessive rainfall from heavy thunderstorms may produce areas of flash flooding from southern New Mexico into the western and northern Gulf Coast into Tuesday. Read More >

Current conditions at

Half Moon Bay Airport (KHAF)

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

Mist

59°F

15°C

Humidity 100%
Wind Speed SSE 9 MPH
Barometer 29.98 in (1015.24 mb)
Dewpoint 59°F (15°C)
Visibility 6.00 mi
Last update 14 Jun 10:15 AM PDT
Extended Forecast for

Half Moon Bay CA

Coastal Flood Advisory June 14, 10:31am until June 16, 03:00am
Click here for hazard details and duration
Coastal Flood Advisory
  •  
    Coastal Flood Advisory June 14, 10:31am until June 16, 03:00am

    NOW until 3:00am Tue

    Coastal Flood Advisory

  • Today

    High: 68 °F

    Mostly Sunny

  • Tonight

    Tonight: Patchy fog between 9pm and 1am.  Otherwise, mostly cloudy, with a low around 54. Southwest wind 5 to 7 mph becoming calm  in the evening.

    Low: 54 °F

    Patchy Fog

  • Monday

    Monday: Mostly cloudy, then gradually becoming sunny, with a high near 68. Calm wind becoming west southwest 5 to 7 mph in the afternoon.

    High: 68 °F

    Decreasing
    Clouds

  • Monday Night

    Monday Night: Patchy fog after 3am.  Otherwise, mostly cloudy, with a low around 55. West southwest wind around 5 mph becoming calm  in the evening.

    Low: 55 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Tuesday

    Tuesday: Patchy fog before 9am.  Otherwise, mostly sunny, with a high near 69. Calm wind becoming west southwest 5 to 8 mph in the afternoon.

    High: 69 °F

    Patchy Fog
    then Sunny

  • Tuesday Night

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

    Low: 56 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 69.

    High: 69 °F

    Mostly Sunny

  • Wednesday Night

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

    Low: 55 °F

    Mostly Cloudy

Detailed Forecast

Today
Mostly sunny, with a high near 68. South southwest wind 6 to 10 mph.
Tonight
Patchy fog between 9pm and 1am. Otherwise, mostly cloudy, with a low around 54. Southwest wind 5 to 7 mph becoming calm in the evening.
Monday
Mostly cloudy, then gradually becoming sunny, with a high near 68. Calm wind becoming west southwest 5 to 7 mph in the afternoon.
Monday Night
Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 55. West southwest wind around 5 mph becoming calm in the evening.
Tuesday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 69. Calm wind becoming west southwest 5 to 8 mph in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 56.
Wednesday
Mostly sunny, with a high near 69.
Wednesday Night
Mostly cloudy, with a low around 55.
Thursday
Partly sunny, with a high near 66.
Thursday Night
Mostly cloudy, with a low around 55.
Juneteenth
Mostly cloudy, with a high near 64.
Friday Night
Mostly cloudy, with a low around 53.
Saturday
Partly sunny, with a high near 63.
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ABOUT THIS FORECAST

 
Point Forecast:
Half Moon Bay CA
 37.48°N 122.42°W (Elev. 397 ft)
4:42 am PDT Jun 14, 2026
10am PDT Jun 14, 2026-6pm PDT Jun 20, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database