National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Sinlaku Continues to Impact the Marianas; Severe Weather for the Central Plains and Northeast; Record Warmth for mid-Atlantic to Southeast

Sinlaku continues to affect the Marianas as it moves north through Friday. Meanwhile, severe thunderstorms are expected from the Northeast to the Mid-Mississippi Valley today and for the Central/Southern Plains on Friday. Considerable flooding impacts are ongoing in the Upper Great Lakes, and expected to continue through the weekend. Fire weather concerns persist in the Plains. Read More >

Current conditions at

Half Moon Bay Airport (KHAF)

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

Clear

59°F

15°C

Humidity 58%
Wind Speed N 9 MPH
Barometer 30.09 in (1018.96 mb)
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Last update 16 Apr 09:55 AM PDT
Extended Forecast for

4 Miles ESE Half Moon Bay CA

  • Today

    Today: Sunny, with a high near 62. North wind around 11 mph, with gusts as high as 24 mph.

    High: 62 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 49. North northwest wind 8 to 11 mph, with gusts as high as 25 mph.

    Low: 49 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 65. North northwest wind around 7 mph.

    High: 65 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 50. West northwest wind 3 to 7 mph.

    Low: 50 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 67. Calm wind becoming west northwest around 6 mph in the afternoon.

    High: 67 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 51.

    Low: 51 °F

    Mostly Cloudy

  • Sunday

    Sunday: A 20 percent chance of rain after 11am. Partly sunny, with a high near 63.

    High: 63 °F

    Slight Chance
    Rain

  • Sunday Night

    Sunday Night: A chance of rain. Mostly cloudy, with a low around 53.

    Low: 53 °F

    Chance Rain

  • Monday

    Monday: A chance of rain. Mostly cloudy, with a high near 62.

    High: 62 °F

    Chance Rain

Detailed Forecast

Today
Sunny, with a high near 62. North wind around 11 mph, with gusts as high as 24 mph.
Tonight
Clear, with a low around 49. North northwest wind 8 to 11 mph, with gusts as high as 25 mph.
Friday
Sunny, with a high near 65. North northwest wind around 7 mph.
Friday Night
Partly cloudy, with a low around 50. West northwest wind 3 to 7 mph.
Saturday
Mostly sunny, with a high near 67. Calm wind becoming west northwest around 6 mph in the afternoon.
Saturday Night
Mostly cloudy, with a low around 51.
Sunday
A 20 percent chance of rain after 11am. Partly sunny, with a high near 63.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 53.
Monday
A chance of rain. Mostly cloudy, with a high near 62.
Monday Night
A chance of rain. Mostly cloudy, with a low around 52.
Tuesday
A chance of rain. Partly sunny, with a high near 60.
Tuesday Night
A slight chance of rain. Partly cloudy, with a low around 51.
Wednesday
Mostly sunny, with a high near 61.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ESE Half Moon Bay CA
 37.44°N 122.35°W (Elev. 728 ft)
Last Update:
1:46 am PDT Apr 16, 2026
Forecast Valid:
10am PDT Apr 16, 2026-6pm PDT Apr 22, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation