Inclement Weather in the Pacific Northwest; Severe Thunderstorms in the Southeast; Impending Winter Storm

An approaching storm will bring rain and high elevation snow to Pacific Northwest through the weekend. Isolated severe thunderstorms are possible across parts of the Southeast today into this evening as a low strengthens over the Southeast. This system will form into a winter storm on Sunday that will bring heavy snow, high winds, and coastal flooding to the Mid-Atlantic and Northeast into 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 71%
Wind Speed SSE 13 MPH
Barometer 30.18 in (1022.01 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 22 Feb 05:35 AM PST
Extended Forecast for

Half Moon Bay CA

  • Today

    Today: A 20 percent chance of rain before 7am.  Mostly sunny, with a high near 63. South wind 10 to 14 mph, with gusts as high as 25 mph.

    High: 63 °F

    Slight Chance
    Rain then
    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 47. South southeast wind around 6 mph becoming calm  in the evening.

    Low: 47 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 65. Calm wind becoming west around 5 mph in the afternoon.

    High: 65 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Rain likely, mainly after 4am.  Mostly cloudy, with a low around 52. South southeast wind 3 to 6 mph.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 52 °F

    Rain Likely

  • Tuesday

    Tuesday: Rain.  High near 64. South wind 8 to 13 mph, with gusts as high as 23 mph.  Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    High: 64 °F

    Rain

  • Tuesday Night

    Tuesday Night: Rain, mainly before 4am.  Low around 53. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 53 °F

    Rain

  • Wednesday

    Wednesday: A 40 percent chance of rain, mainly before 10am.  Mostly cloudy, with a high near 66.

    High: 66 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: A slight chance of rain before 10pm.  Mostly cloudy, with a low around 52.

    Low: 52 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 68.

    High: 68 °F

    Partly Sunny

Detailed Forecast

Today
A 20 percent chance of rain before 7am. Mostly sunny, with a high near 63. South wind 10 to 14 mph, with gusts as high as 25 mph.
Tonight
Partly cloudy, with a low around 47. South southeast wind around 6 mph becoming calm in the evening.
Monday
Mostly sunny, with a high near 65. Calm wind becoming west around 5 mph in the afternoon.
Monday Night
Rain likely, mainly after 4am. Mostly cloudy, with a low around 52. South southeast wind 3 to 6 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
Rain. High near 64. South wind 8 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Tuesday Night
Rain, mainly before 4am. Low around 53. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday
A 40 percent chance of rain, mainly before 10am. Mostly cloudy, with a high near 66.
Wednesday Night
A slight chance of rain before 10pm. Mostly cloudy, with a low around 52.
Thursday
Partly sunny, with a high near 68.
Thursday Night
Mostly cloudy, with a low around 51.
Friday
Partly sunny, with a high near 70.
Friday Night
Mostly cloudy, with a low around 51.
Saturday
Partly sunny, with a high near 69.
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ABOUT THIS FORECAST

 
Point Forecast:
Half Moon Bay CA
 37.45°N 122.44°W (Elev. 43 ft)
12:26 am PST Feb 22, 2026
5am PST Feb 22, 2026-6pm PST Feb 28, 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