National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

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 >

Hazardous Weather Conditions

Current conditions at

Half Moon Bay Airport (KHAF)

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

Mist

54°F

12°C

Humidity 100%
Wind Speed N 0 MPH
Barometer 29.98 in (1015.24 mb)
Dewpoint 54°F (12°C)
Visibility 5.00 mi
Last update 14 Nov 06:55 PM PST
Extended Forecast for

2 Miles N Half Moon Bay CA

  • Tonight

    Tonight: A 10 percent chance of rain after 4am. Mostly cloudy, with a low around 49. Calm wind becoming northeast around 5 mph after midnight.

    Low: 49 °F

    Partly Cloudy
    then Slight
    Chance Rain

  • Saturday

    Saturday: A 30 percent chance of rain, mainly after 10am. Mostly cloudy, with a high near 60. North northeast wind around 6 mph becoming northwest in the afternoon. New precipitation amounts of less than a tenth of an inch possible.

    High: 60 °F

    Chance Rain

  • Saturday Night

    Saturday Night: A 50 percent chance of rain. Cloudy, with a low around 52. West southwest wind around 7 mph. New precipitation amounts of less than a tenth of an inch possible.

    Low: 52 °F

    Chance Rain

  • Sunday

    Sunday: Rain likely, mainly between 10am and 4pm, then showers likely and possibly a thunderstorm after 4pm. Mostly cloudy, with a high near 59. South wind 7 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 59 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: Showers likely and possibly a thunderstorm, then rain after 10pm. Low around 49. South southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 49 °F

    Showers

  • Monday

    Monday: Rain likely, mainly before 10am. Mostly cloudy, with a high near 56. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 56 °F

    Rain Likely

  • Monday Night

    Monday Night: A 30 percent chance of rain before 10pm. Mostly cloudy, with a low around 46.

    Low: 46 °F

    Chance Rain
    then Partly
    Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 58.

    High: 58 °F

    Mostly Sunny

  • Tuesday Night

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

    Low: 45 °F

    Partly Cloudy

Detailed Forecast

Tonight
A 10 percent chance of rain after 4am. Mostly cloudy, with a low around 49. Calm wind becoming northeast around 5 mph after midnight.
Saturday
A 30 percent chance of rain, mainly after 10am. Mostly cloudy, with a high near 60. North northeast wind around 6 mph becoming northwest in the afternoon. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
A 50 percent chance of rain. Cloudy, with a low around 52. West southwest wind around 7 mph. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Rain likely, mainly between 10am and 4pm, then showers likely and possibly a thunderstorm after 4pm. Mostly cloudy, with a high near 59. South wind 7 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Showers likely and possibly a thunderstorm, then rain after 10pm. Low around 49. South southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday
Rain likely, mainly before 10am. Mostly cloudy, with a high near 56. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday Night
A 30 percent chance of rain before 10pm. Mostly cloudy, with a low around 46.
Tuesday
Mostly sunny, with a high near 58.
Tuesday Night
Partly cloudy, with a low around 45.
Wednesday
A slight chance of rain after 4pm. Mostly sunny, with a high near 58.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 48.
Thursday
A chance of rain. Mostly cloudy, with a high near 57.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 48.
Friday
A slight chance of rain. Mostly sunny, with a high near 59.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles N Half Moon Bay CA
 37.5°N 122.42°W (Elev. 440 ft)
Last Update:
12:26 pm PST Nov 14, 2025
Forecast Valid:
7pm PST Nov 14, 2025-6pm PST Nov 21, 2025
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation