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

Severe Weather for Northeast Southeastward into the Southern Plains; Flooding in the Upper Great Lakes

Severe thunderstorms are expected from the Northeast to Texas through the night 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 and the mid-Atlantic. There is late-season snow over the Northern/Central Rockies and the Northern Plains. Read More >

Current conditions at

Half Moon Bay Airport (KHAF)

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

Clear

61°F

16°C

Humidity 59%
Wind Speed NNW 18 MPH
Barometer 30.05 in (1017.61 mb)
Dewpoint 46°F (8°C)
Visibility 9.00 mi
Last update 16 Apr 04:15 PM PDT
Extended Forecast for

Half Moon Bay CA

  • Tonight

    Tonight: Mostly clear, with a low around 46. North northeast wind 8 to 13 mph, with gusts as high as 25 mph.

    Low: 46 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 68. North northeast wind 5 to 9 mph becoming west northwest in the afternoon.

    High: 68 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 47. West northwest wind 5 to 8 mph becoming calm after midnight.

    Low: 47 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 68. Calm wind becoming west northwest around 6 mph in the afternoon.

    High: 68 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 47. West northwest wind around 6 mph becoming calm in the evening.

    Low: 47 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 65.

    High: 65 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: A 50 percent chance of rain, mainly after 11pm. Mostly cloudy, with a low around 48.

    Low: 48 °F

    Chance Rain

  • Monday

    Monday: Rain likely. Mostly cloudy, with a high near 65.

    High: 65 °F

    Rain Likely

  • Monday Night

    Monday Night: Rain likely, mainly after 11pm. Mostly cloudy, with a low around 48.

    Low: 48 °F

    Rain Likely

Detailed Forecast

Tonight
Mostly clear, with a low around 46. North northeast wind 8 to 13 mph, with gusts as high as 25 mph.
Friday
Sunny, with a high near 68. North northeast wind 5 to 9 mph becoming west northwest in the afternoon.
Friday Night
Partly cloudy, with a low around 47. West northwest wind 5 to 8 mph becoming calm after midnight.
Saturday
Partly sunny, with a high near 68. Calm wind becoming west northwest around 6 mph in the afternoon.
Saturday Night
Mostly cloudy, with a low around 47. West northwest wind around 6 mph becoming calm in the evening.
Sunday
Mostly cloudy, with a high near 65.
Sunday Night
A 50 percent chance of rain, mainly after 11pm. Mostly cloudy, with a low around 48.
Monday
Rain likely. Mostly cloudy, with a high near 65.
Monday Night
Rain likely, mainly after 11pm. Mostly cloudy, with a low around 48.
Tuesday
Rain likely. Mostly cloudy, with a high near 62.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 48.
Wednesday
A slight chance of rain. Mostly sunny, with a high near 64.
Wednesday Night
Partly cloudy, with a low around 48.
Thursday
Sunny, with a high near 65.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Half Moon Bay CA
 37.48°N 122.42°W (Elev. 397 ft)
Last Update:
1:26 pm PDT Apr 16, 2026
Forecast Valid:
4pm PDT Apr 16, 2026-6pm PDT Apr 23, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation