Atmospheric River Continues Areas of Heavy Rain and Snow for California This Weekend

An atmospheric river will continue to bring gusty winds, moderate to heavy rainfall, and potential flooding to southern California and the southern Great Basin through Sunday. Periods of heavy snow will continue as well above 7,000 feet over the Sierra Nevada mountains associated with this atmospheric river. Read More >

Current conditions at

Half Moon Bay Airport (KHAF)

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

Mist

59°F

15°C

Humidity 93%
Wind Speed N 0 MPH
Barometer 29.73 in (1006.77 mb)
Dewpoint 57°F (14°C)
Visibility 6.00 mi
Last update 15 Nov 03:55 PM PST
Extended Forecast for

4 Miles E Half Moon Bay CA

  • This Afternoon

    This Afternoon: A 40 percent chance of rain.  Cloudy, with a steady temperature around 56. West southwest wind around 6 mph.  New precipitation amounts of less than a tenth of an inch possible.

    High: 56 °F

    Chance Rain

  • Tonight

    Tonight: Rain, mainly after 7pm.  Low around 52. Southwest wind 7 to 9 mph.  Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 52 °F

    Rain

  • Sunday

    Sunday: Rain.  High near 56. South southwest wind 9 to 15 mph, with gusts as high as 28 mph.  Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 56 °F

    Rain

  • Sunday Night

    Sunday Night: Rain and possibly a thunderstorm before 7pm, then showers and possibly a thunderstorm between 7pm and 10pm, then rain after 10pm.  Low around 51. South wind 16 to 20 mph, with gusts as high as 38 mph.  Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 51 °F

    Showers

  • Monday

    Monday: Rain likely, mainly before 4pm.  Mostly cloudy, with a high near 55. West wind 10 to 18 mph, with gusts as high as 31 mph.  Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 55 °F

    Rain Likely

  • Monday Night

    Monday Night: A 30 percent chance of rain before 10pm.  Partly cloudy, with a low around 47. New precipitation amounts of less than a tenth of an inch possible.

    Low: 47 °F

    Chance Rain
    then Partly
    Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 56.

    High: 56 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 48.

    Low: 48 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A chance of rain after 4pm.  Partly sunny, with a high near 56.

    High: 56 °F

    Partly Sunny
    then Chance
    Rain

Detailed Forecast

This Afternoon
A 40 percent chance of rain. Cloudy, with a steady temperature around 56. West southwest wind around 6 mph. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Rain, mainly after 7pm. Low around 52. Southwest wind 7 to 9 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Sunday
Rain. High near 56. South southwest wind 9 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
Rain and possibly a thunderstorm before 7pm, then showers and possibly a thunderstorm between 7pm and 10pm, then rain after 10pm. Low around 51. South wind 16 to 20 mph, with gusts as high as 38 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Monday
Rain likely, mainly before 4pm. Mostly cloudy, with a high near 55. West wind 10 to 18 mph, with gusts as high as 31 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday Night
A 30 percent chance of rain before 10pm. Partly cloudy, with a low around 47. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
Mostly sunny, with a high near 56.
Tuesday Night
Partly cloudy, with a low around 48.
Wednesday
A chance of rain after 4pm. Partly sunny, with a high near 56.
Wednesday Night
Rain likely, mainly after 10pm. Mostly cloudy, with a low around 49.
Thursday
Rain likely. Mostly cloudy, with a high near 55.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 49.
Friday
A chance of rain. Mostly sunny, with a high near 56.
Friday Night
Partly cloudy, with a low around 49.
Saturday
Mostly sunny, with a high near 59.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles E Half Moon Bay CA
 37.46°N 122.36°W (Elev. 1145 ft)
12:26 pm PST Nov 15, 2025
4pm PST Nov 15, 2025-6pm PST Nov 22, 2025
 
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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