Tracking Late December Winter Storm Expected to Impact the Northern Plains through the Northeast U.S.

A winter storm system will rapidly intensify over the Midwest on Sunday and track through the Great Lakes on Monday. Periods of heavy snow are anticipated across the Upper Great Lakes late Sunday and continuing into Monday. At least 1/10 inch of ice accumulation is expected from a wintry mix across much of the interior Northeast U.S. starting Sunday afternoon. Read More >

Current conditions at

Half Moon Bay Airport (KHAF)

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

Clear

39°F

4°C

Humidity NA
Wind Speed N 0 MPH
Barometer 30.29 in (1025.74 mb)
Dewpoint N/A
Visibility 10.00 mi
Last update NA
Extended Forecast for

4 Miles E Half Moon Bay CA

  • Today

    Today: Sunny, with a high near 52. Northeast wind 5 to 7 mph.

    High: 52 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 40. Northeast wind 7 to 9 mph.

    Low: 40 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 54. Northeast wind around 10 mph, with gusts as high as 20 mph.

    High: 54 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 42. East northeast wind around 7 mph.

    Low: 42 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 57. East northeast wind around 9 mph.

    High: 57 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 44.

    Low: 44 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of rain after 10am.  Partly sunny, with a high near 57.

    High: 57 °F

    Slight Chance
    Rain

  • Wednesday Night

    Wednesday Night: A chance of rain.  Mostly cloudy, with a low around 46.

    Low: 46 °F

    Chance Rain

  • New Year's Day

    New Year's Day: Rain likely.  Mostly cloudy, with a high near 56.

    High: 56 °F

    Rain Likely

Detailed Forecast

Today
Sunny, with a high near 52. Northeast wind 5 to 7 mph.
Tonight
Mostly clear, with a low around 40. Northeast wind 7 to 9 mph.
Monday
Sunny, with a high near 54. Northeast wind around 10 mph, with gusts as high as 20 mph.
Monday Night
Clear, with a low around 42. East northeast wind around 7 mph.
Tuesday
Sunny, with a high near 57. East northeast wind around 9 mph.
Tuesday Night
Partly cloudy, with a low around 44.
Wednesday
A 20 percent chance of rain after 10am. Partly sunny, with a high near 57.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 46.
New Year's Day
Rain likely. Mostly cloudy, with a high near 56.
Thursday Night
Rain likely. Mostly cloudy, with a low around 48.
Friday
A chance of rain. Mostly cloudy, with a high near 55.
Friday Night
A chance of rain. Mostly cloudy, with a low around 46.
Saturday
A chance of rain. Partly sunny, with a high near 55.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles E Half Moon Bay CA
 37.46°N 122.36°W (Elev. 1145 ft)
12:27 am PST Dec 28, 2025
6am PST Dec 28, 2025-6pm PST Jan 3, 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