Thunderstorms and Heavy Rains Across Portions of the Central and Eastern US; Heat Expands to Portions of the East

Widespread showers and thunderstorms, some severe, may produce heavy downpours and flash flooding across much of the eastern and central U.S. Dangerous heat will continue in the Pacific Northwest and expand across portions of the East. Deep tropical moisture and associated thunderstorms will bring heavy rainfall and localized flash flooding across portions of Florida into the central Gulf Coast. Read More >

Current conditions at

Half Moon Bay Airport (KHAF)

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

Mist

55°F

13°C

Humidity 100%
Wind Speed SSW 6 MPH
Barometer 29.93 in (1013.55 mb)
Dewpoint 55°F (13°C)
Visibility 2.50 mi
Last update 16 Jul 12:15 AM PDT
Extended Forecast for

Half Moon Bay CA

  • Overnight

    Overnight: A slight chance of drizzle.  Cloudy, with a low around 54. Southwest wind around 5 mph.

    Low: 54 °F

    Slight Chance
    Drizzle

  • Wednesday

    Wednesday: A slight chance of drizzle before 11am.  Mostly cloudy, with a high near 62. South southwest wind 6 to 10 mph.

    High: 62 °F

    Slight Chance
    Drizzle then
    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: A slight chance of drizzle after 11pm.  Cloudy, with a low around 54. Southwest wind around 5 mph becoming calm  in the evening.

    Low: 54 °F

    Slight Chance
    Drizzle

  • Thursday

    Thursday: Cloudy, then gradually becoming mostly sunny, with a high near 63. Calm wind becoming southwest 5 to 7 mph in the afternoon.

    High: 63 °F

    Decreasing
    Clouds

  • Thursday Night

    Thursday Night: Patchy fog after 10pm.  Otherwise, mostly cloudy, with a low around 54. West southwest wind 5 to 7 mph becoming calm  in the evening.

    Low: 54 °F

    Patchy Fog

  • Friday

    Friday: Patchy fog before noon.  Otherwise, mostly cloudy, with a high near 62.

    High: 62 °F

    Patchy Fog
    then Partly
    Sunny

  • Friday Night

    Friday Night: Patchy fog between 10pm and 2am.  Otherwise, mostly cloudy, with a low around 54.

    Low: 54 °F

    Patchy Fog

  • Saturday

    Saturday: Patchy fog before noon.  Otherwise, mostly cloudy, with a high near 62.

    High: 62 °F

    Patchy Fog
    then Mostly
    Cloudy

  • Saturday Night

    Saturday Night: Patchy fog.  Otherwise, mostly cloudy, with a low around 53.

    Low: 53 °F

    Patchy Fog

Detailed Forecast

Overnight
A slight chance of drizzle. Cloudy, with a low around 54. Southwest wind around 5 mph.
Wednesday
A slight chance of drizzle before 11am. Mostly cloudy, with a high near 62. South southwest wind 6 to 10 mph.
Wednesday Night
A slight chance of drizzle after 11pm. Cloudy, with a low around 54. Southwest wind around 5 mph becoming calm in the evening.
Thursday
Cloudy, then gradually becoming mostly sunny, with a high near 63. Calm wind becoming southwest 5 to 7 mph in the afternoon.
Thursday Night
Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 54. West southwest wind 5 to 7 mph becoming calm in the evening.
Friday
Patchy fog before noon. Otherwise, mostly cloudy, with a high near 62.
Friday Night
Patchy fog between 10pm and 2am. Otherwise, mostly cloudy, with a low around 54.
Saturday
Patchy fog before noon. Otherwise, mostly cloudy, with a high near 62.
Saturday Night
Patchy fog. Otherwise, mostly cloudy, with a low around 53.
Sunday
Mostly cloudy, with a high near 63.
Sunday Night
Patchy fog. Otherwise, mostly cloudy, with a low around 54.
Monday
Patchy fog. Otherwise, mostly cloudy, with a high near 62.
Monday Night
Patchy fog. Otherwise, cloudy, with a low around 54.
Tuesday
Patchy fog. Otherwise, mostly cloudy, with a high near 62.
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ABOUT THIS FORECAST

 
Point Forecast:
Half Moon Bay CA
 37.47°N 122.45°W (Elev. 7 ft)
1:26 pm PDT Jul 15, 2025
12am PDT Jul 16, 2025-6pm PDT Jul 22, 2025
 
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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