Prolonged Extreme Cold; Eastern U.S. Winter Storm

A powerful Arctic blast will bring dangerously cold, record low temperatures to the Gulf Coast, upper Ohio Valley, Mid-Atlantic, and Southeast U.S. into this weekend. A rapidly deepening storm centered just off the North Carolina coast Friday night through Saturday night will produce widespread heavy snow and wind from the southern Appalachians across the Carolinas and southern Virginia. Read More >

Current conditions at

Half Moon Bay Airport (KHAF)

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

Clear

48°F

9°C

Humidity 87%
Wind Speed N 0 MPH
Barometer 30.31 in (1026.41 mb)
Dewpoint 45°F (7°C)
Visibility 9.00 mi
Last update 30 Jan 07:55 AM PST
Extended Forecast for

Half Moon Bay CA

  • Today

    Today: Mostly sunny, with a high near 68. Northeast wind around 7 mph.

    High: 68 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 47. East northeast wind around 6 mph.

    Low: 47 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 69. East northeast wind around 7 mph.

    High: 69 °F

    Partly Sunny

  • Saturday Night

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

    Low: 47 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 64. Calm wind becoming northwest 5 to 9 mph in the morning.

    High: 64 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 46.

    Low: 46 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 65.

    High: 65 °F

    Sunny

  • Monday Night

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

    Low: 46 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 68.

    High: 68 °F

    Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 68. Northeast wind around 7 mph.
Tonight
Mostly cloudy, with a low around 47. East northeast wind around 6 mph.
Saturday
Partly sunny, with a high near 69. East northeast wind around 7 mph.
Saturday Night
Mostly cloudy, with a low around 47. Calm wind.
Sunday
Partly sunny, with a high near 64. Calm wind becoming northwest 5 to 9 mph in the morning.
Sunday Night
Partly cloudy, with a low around 46.
Monday
Sunny, with a high near 65.
Monday Night
Mostly clear, with a low around 46.
Tuesday
Sunny, with a high near 68.
Tuesday Night
Mostly clear, with a low around 47.
Wednesday
Sunny, with a high near 70.
Wednesday Night
Mostly clear, with a low around 48.
Thursday
Sunny, with a high near 70.
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ABOUT THIS FORECAST

 
Point Forecast:
Half Moon Bay CA
 37.48°N 122.42°W (Elev. 397 ft)
5:44 am PST Jan 30, 2026
8am PST Jan 30, 2026-6pm PST Feb 5, 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