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

Sinlaku Continues to Impact the Marianas; Severe Weather from the Central US to the Northeast; Late-Season Snow in the Northwest

Sinlaku continues to bring destructive winds, widespread heavy rain/flooding, and storm surge to the Marianas. Showers and severe thunderstorms are expected from the Northeast to the Mid-Mississippi Valley and to the Central/Southern Plains through Thursday. A front will produce late-season snowfall over the Cascades and Northern Rockies and coastal rain over the Northwest Coast through Thursday. Read More >

Current conditions at

Half Moon Bay Airport (KHAF)

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

Overcast

54°F

12°C

Humidity 81%
Wind Speed NNW 12 MPH
Barometer 30.16 in (1021.34 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 14 Apr 09:55 PM PDT
Extended Forecast for

Half Moon Bay CA

  • Tonight

    Tonight: Mostly cloudy, with a low around 47. West northwest wind around 8 mph.

    Low: 47 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 61. West northwest wind 9 to 14 mph, with gusts as high as 23 mph.

    High: 61 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 45. West northwest wind 9 to 13 mph, with gusts as high as 25 mph.

    Low: 45 °F

    Decreasing
    Clouds

  • Thursday

    Thursday: Sunny, with a high near 64. North wind 9 to 14 mph, with gusts as high as 23 mph.

    High: 64 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 46. North wind 7 to 13 mph, with gusts as high as 25 mph.

    Low: 46 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 67.

    High: 67 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 45.

    Low: 45 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 66.

    High: 66 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 47.

    Low: 47 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 47. West northwest wind around 8 mph.
Wednesday
Partly sunny, with a high near 61. West northwest wind 9 to 14 mph, with gusts as high as 23 mph.
Wednesday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 45. West northwest wind 9 to 13 mph, with gusts as high as 25 mph.
Thursday
Sunny, with a high near 64. North wind 9 to 14 mph, with gusts as high as 23 mph.
Thursday Night
Mostly clear, with a low around 46. North wind 7 to 13 mph, with gusts as high as 25 mph.
Friday
Sunny, with a high near 67.
Friday Night
Partly cloudy, with a low around 45.
Saturday
Mostly sunny, with a high near 66.
Saturday Night
Mostly cloudy, with a low around 47.
Sunday
A chance of rain. Partly sunny, with a high near 65.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 48.
Monday
A chance of rain. Partly sunny, with a high near 62.
Monday Night
A chance of rain. Mostly cloudy, with a low around 46.
Tuesday
A slight chance of rain. Mostly sunny, with a high near 63.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Half Moon Bay CA
 37.48°N 122.42°W (Elev. 397 ft)
Last Update:
9:07 pm PDT Apr 14, 2026
Forecast Valid:
10pm PDT Apr 14, 2026-6pm PDT Apr 21, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation