Severe Weather and Heavy Rain from the Ohio Valley to the Mid-Atlantic; Heat Persists in the South-Central U.S.

Widespread strong thunderstorms with damaging winds and locally heavy rain are expected across portions of the Ohio Valley into southern Mid-Atlantic and Carolinas. Rounds of strong thunderstorms are expected to develop across the northern and central Plains. Sweltering heat remains most persistent across the South-Central Plains and Lower/Middle Mississippi Valley through next week. Read More >

Current conditions at

Half Moon Bay Airport (KHAF)

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

Mist

57°F

14°C

Humidity 100%
Wind Speed N 0 MPH
Barometer 29.99 in (1015.58 mb)
Dewpoint 57°F (14°C)
Visibility 4.00 mi
Last update 06 Sep 01:15 AM PDT
Extended Forecast for

Half Moon Bay CA

  • Overnight

    Overnight: Mostly cloudy, with a low around 54. Light west wind.

    Low: 54 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 64. Light west wind increasing to 5 to 10 mph in the morning.

    High: 64 °F

    Partly Sunny

  • Sunday Night

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

    Low: 54 °F

    Partly Cloudy
    then Areas
    Fog

  • Labor Day

    Labor Day: Areas of fog before 9am.  Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 72. Calm wind becoming west northwest 5 to 8 mph in the afternoon.

    High: 72 °F

    Areas Fog
    then Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 56. West northwest wind 5 to 8 mph becoming calm  in the evening.

    Low: 56 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 74.

    High: 74 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 60.

    Low: 60 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 80.

    High: 80 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 64.

    Low: 64 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 54. Light west wind.
Sunday
Partly sunny, with a high near 64. Light west wind increasing to 5 to 10 mph in the morning.
Sunday Night
Areas of fog after 5am. Otherwise, mostly cloudy, with a low around 54. West northwest wind 5 to 9 mph becoming calm after midnight.
Labor Day
Areas of fog before 9am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 72. Calm wind becoming west northwest 5 to 8 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 56. West northwest wind 5 to 8 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 74.
Tuesday Night
Mostly cloudy, with a low around 60.
Wednesday
Mostly cloudy, with a high near 80.
Wednesday Night
Mostly cloudy, with a low around 64.
Thursday
Mostly sunny, with a high near 76.
Thursday Night
Mostly cloudy, with a low around 61.
Friday
Partly sunny, with a high near 70.
Friday Night
Mostly cloudy, with a low around 58.
Saturday
Partly sunny, with a high near 67.
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ABOUT THIS FORECAST

 
Point Forecast:
Half Moon Bay CA
 37.48°N 122.42°W (Elev. 397 ft)
1:26 am PDT Sep 6, 2026
1am PDT Sep 6, 2026-6pm PDT Sep 12, 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