Super Typhoon Sinlaku to Impact the Marianas and Guam; Severe Weather Threat from the Central Plains to the Great Lakes

Super Typhoon Sinlaku will bring destructive winds, widespread heavy rain/flooding, and thunderstorms to the Marianas Islands into Wednesday. Tropical Storm conditions are likely over Guam. Severe thunderstorms and heavy rain are likely across the Upper Mississippi Valley and Great Lakes region with potential for large to very large hail, damaging wind, and tornadoes through Tuesday. 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 77%
Wind Speed NNW 10 MPH
Barometer 30.14 in (1020.66 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 13 Apr 11:55 AM PDT
Extended Forecast for

Half Moon Bay CA

  • This Afternoon

    This Afternoon: Sunny, with a high near 62. West northwest wind 7 to 10 mph.

    High: 62 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 47. West northwest wind around 10 mph, with gusts as high as 20 mph.

    Low: 47 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 60. West northwest wind 8 to 11 mph, with gusts as high as 20 mph.

    High: 60 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Increasing clouds, with a low around 47. West northwest wind around 10 mph, with gusts as high as 20 mph.

    Low: 47 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Partly sunny, with a high near 63. West northwest wind 9 to 13 mph, with gusts as high as 21 mph.

    High: 63 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 46.

    Low: 46 °F

    Mostly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 64.

    High: 64 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 46.

    Low: 46 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 68.

    High: 68 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 62. West northwest wind 7 to 10 mph.
Tonight
Partly cloudy, with a low around 47. West northwest wind around 10 mph, with gusts as high as 20 mph.
Tuesday
Mostly sunny, with a high near 60. West northwest wind 8 to 11 mph, with gusts as high as 20 mph.
Tuesday Night
Increasing clouds, with a low around 47. West northwest wind around 10 mph, with gusts as high as 20 mph.
Wednesday
Partly sunny, with a high near 63. West northwest wind 9 to 13 mph, with gusts as high as 21 mph.
Wednesday Night
Mostly cloudy, with a low around 46.
Thursday
Sunny, with a high near 64.
Thursday Night
Mostly clear, with a low around 46.
Friday
Sunny, with a high near 68.
Friday Night
Mostly cloudy, with a low around 46.
Saturday
Mostly sunny, with a high near 67.
Saturday Night
Mostly cloudy, with a low around 47.
Sunday
A slight chance of showers. Partly sunny, with a high near 63.
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ABOUT THIS FORECAST

 
Point Forecast:
Half Moon Bay CA
 37.48°N 122.42°W (Elev. 397 ft)
11:51 am PDT Apr 13, 2026
12pm PDT Apr 13, 2026-6pm PDT Apr 19, 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