High-Impact and Far-Reaching Winter Storm Continues; Cold Expands and Persists

A major winter storm will shift its impacts into the Northeast U.S. with heavy snow through tonight while over the Mid-Atlantic, sleet and freezing rain will diminish. Extremely cold air behind the storm will prolong dangerous travel and infrastructure impacts. Sub-zero low temperatures are expected nearly every morning from the Northern Plains through the Ohio Valley and into the Northeast. Read More >

Current conditions at

Half Moon Bay Airport (KHAF)

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

Clear

46°F

8°C

Humidity 93%
Wind Speed N 0 MPH
Barometer 30.23 in (1023.71 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 26 Jan 02:35 AM PST
Extended Forecast for

Half Moon Bay CA

  • Overnight

    Overnight: Partly cloudy, with a steady temperature around 47. East northeast wind around 5 mph.

    Low: 47 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 62. Calm wind becoming south southwest 5 to 9 mph in the morning.

    High: 62 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 45. Light and variable wind.

    Low: 45 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 10 percent chance of rain after 4pm.  Mostly sunny, with a high near 64. East southeast wind 5 to 7 mph becoming south in the afternoon.

    High: 64 °F

    Mostly Sunny
    then Slight
    Chance Rain

  • Tuesday Night

    Tuesday Night: A 30 percent chance of rain, mainly between 10pm and 4am.  Mostly cloudy, with a low around 48. East southeast wind 3 to 5 mph.  New precipitation amounts of less than a tenth of an inch possible.

    Low: 48 °F

    Chance Rain

  • Wednesday

    Wednesday: A 20 percent chance of rain before 10am.  Mostly sunny, with a high near 64.

    High: 64 °F

    Slight Chance
    Rain then
    Mostly Sunny

  • Wednesday Night

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

    Low: 46 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 65.

    High: 65 °F

    Mostly Sunny

  • Thursday Night

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

    Low: 47 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a steady temperature around 47. East northeast wind around 5 mph.
Monday
Mostly sunny, with a high near 62. Calm wind becoming south southwest 5 to 9 mph in the morning.
Monday Night
Partly cloudy, with a low around 45. Light and variable wind.
Tuesday
A 10 percent chance of rain after 4pm. Mostly sunny, with a high near 64. East southeast wind 5 to 7 mph becoming south in the afternoon.
Tuesday Night
A 30 percent chance of rain, mainly between 10pm and 4am. Mostly cloudy, with a low around 48. East southeast wind 3 to 5 mph. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
A 20 percent chance of rain before 10am. Mostly sunny, with a high near 64.
Wednesday Night
Partly cloudy, with a low around 46.
Thursday
Mostly sunny, with a high near 65.
Thursday Night
Mostly cloudy, with a low around 47.
Friday
Partly sunny, with a high near 65.
Friday Night
Mostly cloudy, with a low around 48.
Saturday
Partly sunny, with a high near 66.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 49.
Sunday
A chance of rain. Partly sunny, with a high near 65.
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ABOUT THIS FORECAST

 
Point Forecast:
Half Moon Bay CA
 37.48°N 122.42°W (Elev. 397 ft)
12:26 am PST Jan 26, 2026
2am PST Jan 26, 2026-6pm PST Feb 1, 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