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

52°F

11°C

Humidity 81%
Wind Speed SE 13 MPH
Barometer 30.17 in (1021.67 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 22 Feb 01:15 AM PST
Extended Forecast for

Half Moon Bay CA

  • Overnight

    Overnight: Mostly cloudy, with a low around 47. South southeast wind around 15 mph, with gusts as high as 30 mph.

    Low: 47 °F

    Mostly Cloudy

  • Sunday

    Sunday: A 10 percent chance of rain before 7am.  Mostly sunny, with a high near 63. South southeast wind 11 to 15 mph, with gusts as high as 28 mph.

    High: 63 °F

    Slight Chance
    Rain then
    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 46. South wind around 6 mph becoming light and variable  after midnight.

    Low: 46 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 66. Calm wind becoming west around 5 mph in the afternoon.

    High: 66 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Rain likely, mainly after 4am.  Mostly cloudy, with a low around 52. South southeast wind 3 to 7 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 63. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    High: 63 °F

    Rain

  • Tuesday Night

    Tuesday Night: Rain, mainly before 4am.  Low around 53. Chance of precipitation is 80%.

    Low: 53 °F

    Rain

  • Wednesday

    Wednesday: A 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 51.

    Low: 51 °F

    Slight Chance
    Rain then
    Mostly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 47. South southeast wind around 15 mph, with gusts as high as 30 mph.
Sunday
A 10 percent chance of rain before 7am. Mostly sunny, with a high near 63. South southeast wind 11 to 15 mph, with gusts as high as 28 mph.
Sunday Night
Partly cloudy, with a low around 46. South wind around 6 mph becoming light and variable after midnight.
Monday
Mostly sunny, with a high near 66. 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 7 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
Rain. High near 63. 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%.
Wednesday
A 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 51.
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
 37.48°N 122.42°W (Elev. 397 ft)
12:26 am PST Feb 22, 2026
1am 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