Threats of Heavy Rainfall, Severe Thunderstorms and Dangerous Heat

Several complexes of thunderstorms, some severe with heavy rainfall, will impact areas from the northern Plains, Great Lakes, Ohio Valley to the mid-Atlantic. This threat will shift toward the Carolinas on Friday. Heavy rainfall, remnants of Edouard, continues for portions of eastern Texas through today. In-between these systems, a dome of high pressure and heat for central and eastern states. Read More >

Current conditions at

Half Moon Bay Airport (KHAF)

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

Overcast

64°F

18°C

Humidity 88%
Wind Speed S 9 MPH
Barometer 30.0 in (1015.92 mb)
Dewpoint 61°F (16°C)
Visibility 8.00 mi
Last update 03 Sep 09:15 AM PDT
Extended Forecast for

Half Moon Bay CA

  • Today

    Today: A 30 percent chance of rain, mainly after 4pm.  Mostly cloudy, with a high near 65. South wind 6 to 9 mph.

    High: 65 °F

    Mostly Cloudy
    then Chance
    Rain

  • Tonight

    Tonight: A 10 percent chance of rain before 7pm.  Patchy fog after 3am.  Otherwise, cloudy, then gradually becoming partly cloudy, with a low around 55. West southwest wind around 5 mph becoming calm  in the evening.

    Low: 55 °F

    Slight Chance
    Rain then
    Patchy Fog

  • Friday

    Friday: Patchy fog before 8am.  Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 63. Calm wind becoming west northwest 5 to 9 mph in the afternoon.

    High: 63 °F

    Patchy Fog
    then Mostly
    Sunny

  • Friday Night

    Friday Night: Patchy fog after 2am.  Otherwise, mostly cloudy, with a low around 54. West northwest wind 5 to 9 mph becoming calm  after midnight.

    Low: 54 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Saturday

    Saturday: Patchy fog before 8am.  Otherwise, partly sunny, with a high near 64. Calm wind becoming west northwest 5 to 8 mph in the afternoon.

    High: 64 °F

    Patchy Fog
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: Patchy fog after 5am.  Otherwise, mostly cloudy, with a low around 54.

    Low: 54 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Sunday

    Sunday: Patchy fog before 8am.  Otherwise, partly sunny, with a high near 64.

    High: 64 °F

    Patchy Fog
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: Patchy fog after 5am.  Otherwise, mostly cloudy, with a low around 54.

    Low: 54 °F

    Partly Cloudy
    then Patchy
    Fog

  • Labor Day

    Labor Day: Patchy fog before 9am.  Otherwise, partly sunny, with a high near 70.

    High: 70 °F

    Patchy Fog
    then Mostly
    Sunny

Detailed Forecast

Today
A 30 percent chance of rain, mainly after 4pm. Mostly cloudy, with a high near 65. South wind 6 to 9 mph.
Tonight
A 10 percent chance of rain before 7pm. Patchy fog after 3am. Otherwise, cloudy, then gradually becoming partly cloudy, with a low around 55. West southwest wind around 5 mph becoming calm in the evening.
Friday
Patchy fog before 8am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 63. Calm wind becoming west northwest 5 to 9 mph in the afternoon.
Friday Night
Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 54. West northwest wind 5 to 9 mph becoming calm after midnight.
Saturday
Patchy fog before 8am. Otherwise, partly sunny, with a high near 64. Calm wind becoming west northwest 5 to 8 mph in the afternoon.
Saturday Night
Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 54.
Sunday
Patchy fog before 8am. Otherwise, partly sunny, with a high near 64.
Sunday Night
Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 54.
Labor Day
Patchy fog before 9am. Otherwise, partly sunny, with a high near 70.
Monday Night
Mostly cloudy, with a low around 56.
Tuesday
Partly sunny, with a high near 70.
Tuesday Night
Mostly cloudy, with a low around 57.
Wednesday
Partly sunny, with a high near 68.
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ABOUT THIS FORECAST

 
Point Forecast:
Half Moon Bay CA
 37.48°N 122.42°W (Elev. 397 ft)
5:26 am PDT Sep 3, 2026
9am PDT Sep 3, 2026-6pm PDT Sep 9, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database