Arctic Air Mass Lingers for Areas of the East; Critical Fire Weather for the Plains; Active Weather Pattern for Hawaii

Arctic air lingers for the east, however, winds will slowly subside and a slow moderating trend starts during the week. Moisture continues to provide rainfall and higher elevation snow for the Pacific Northwest, northern California and northern Rockies through Monday. For the State of Hawaii, dangerous surf conditions with strong winds and heavy rainfall will impact the islands through Monday. Read More >

Current conditions at

Half Moon Bay Airport (KHAF)

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

Clear

54°F

12°C

Humidity 100%
Wind Speed NNE 10 MPH
Barometer 30.27 in (1025.06 mb)
Dewpoint 54°F (12°C)
Visibility 9.00 mi
Last update 09 Feb 02:55 AM PST
Extended Forecast for

Half Moon Bay CA

  • Overnight

    Overnight: Mostly cloudy, with a low around 50. North wind around 6 mph.

    Low: 50 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 64. Northeast wind 8 to 15 mph, with gusts as high as 25 mph.

    High: 64 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: A 30 percent chance of rain after 4am.  Mostly cloudy, with a low around 48. East northeast wind 5 to 9 mph.

    Low: 48 °F

    Mostly Cloudy
    then Chance
    Rain

  • Tuesday

    Tuesday: Rain likely, then showers and possibly a thunderstorm after 1pm.  High near 62. South wind 6 to 10 mph, with gusts as high as 18 mph.  Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 62 °F

    Showers

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm before 7pm, then rain after 7pm.  Low around 48. South southwest wind around 10 mph, with gusts as high as 21 mph.  Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 48 °F

    Showers

  • Wednesday

    Wednesday: Rain likely.  Mostly cloudy, with a high near 60. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 60 °F

    Rain Likely

  • Wednesday Night

    Wednesday Night: A 50 percent chance of rain.  Mostly cloudy, with a low around 45.

    Low: 45 °F

    Chance Rain

  • Thursday

    Thursday: A chance of rain, mainly before 10am.  Mostly sunny, with a high near 61.

    High: 61 °F

    Chance Rain

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 45.

    Low: 45 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 50. North wind around 6 mph.
Monday
Mostly cloudy, with a high near 64. Northeast wind 8 to 15 mph, with gusts as high as 25 mph.
Monday Night
A 30 percent chance of rain after 4am. Mostly cloudy, with a low around 48. East northeast wind 5 to 9 mph.
Tuesday
Rain likely, then showers and possibly a thunderstorm after 1pm. High near 62. South wind 6 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Showers and possibly a thunderstorm before 7pm, then rain after 7pm. Low around 48. South southwest wind around 10 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday
Rain likely. Mostly cloudy, with a high near 60. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 45.
Thursday
A chance of rain, mainly before 10am. Mostly sunny, with a high near 61.
Thursday Night
Partly cloudy, with a low around 45.
Friday
Mostly sunny, with a high near 62.
Friday Night
A slight chance of rain. Mostly cloudy, with a low around 46.
Saturday
Rain likely. Mostly cloudy, with a high near 60.
Saturday Night
Rain likely. Cloudy, with a low around 45.
Sunday
Rain. Mostly cloudy, with a high near 58.
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ABOUT THIS FORECAST

 
Point Forecast:
Half Moon Bay CA
 37.48°N 122.42°W (Elev. 397 ft)
12:53 am PST Feb 9, 2026
3am PST Feb 9, 2026-6pm PST Feb 15, 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