Half Moon Bay, California Weather
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Weather Forecast for Half Moon Bay, California : San Mateo County
Issued: 10:17 am PDT Aug 16, 2025 Latitude: 37.4635519 Longitude: -122.4285862 View on Google Maps

MouseOver for Detail Forecast
This Afternoon Tonight Sunday Monday Tuesday Wednesday Thursday Friday
20% chance of rain on This Afternoon Morning Fog on Tonight 20% chance of on Sunday 10% chance of on Monday Morning Fog on Tuesday Morning Fog on Wednesday Patchy Fog on Thursday Patchy Fog on Friday
High: 64°F Low: 55°F High: 62°F High: 62°F High: 64°F High: 68°F High: 67°F High: 66°F
Low: 54°F Low: 54°F Low: 54°F Low: 54°F Low: 54°F  
Rain Morning Fog Fog Morning Fog Morning Fog Morning Fog Patchy Fog Patchy Fog
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Current Conditions at
SAN CARLOS - (KSQL)
72°
Mostly Cloudy
as of 11:52 AM PDST
Rel. Humidity: 68%
Dew Point: 61°F
Visibility: 10 Miles
Pressure: 30.04 in.
Flight Rule: MVFR
Wind Data
18 MPH
Gust: 21 MPH
260° West
Cloud Level(s): Broken at 1600ft
Current Conditions at
SAN FRANCISCO - (KSFO)
70°
Mostly Cloudy
as of 11:56 AM PDST
Rel. Humidity: 73%
Dew Point: 61°F
Visibility: 10 Miles
Pressure: 30.02 in.
Flight Rule: MVFR
Wind Data
24 MPH
Gust: 31 MPH
250° West
Cloud Level(s): Few at 700ft, Broken at 1400ft
Current Conditions at
PALO ALTO - (KPAO)
72°
Cloudy
as of 11:47 AM PDST
Rel. Humidity: 73%
Dew Point: 63°F
Visibility: 8 Miles
Pressure: 30.04 in.
Flight Rule: MVFR
Wind Data
10 MPH
Gust: 21 MPH
290° West
Cloud Level(s): Solid Overcast at 2400ft
Current Conditions at
OAKLAND - (KOAK)
68°
Mostly Cloudy
as of 11:53 AM PDST
Rel. Humidity: 77%
Dew Point: 61°F
Visibility: 10 Miles
Pressure: 30.03 in.
Flight Rule: IFR
Wind Data
12 MPH
280° West
Cloud Level(s): Few at 200ft, Broken at 800ft
20% chance of rain This Afternoon This Afternoon... A 20 percent chance of rain before 4pm. Cloudy, with a high near 64. West southwest wind around 9 mph.
Morning Fog on Tonight Tonight... Patchy drizzle, mainly between 11pm and 4am. Patchy dense fog after 4am. Otherwise, cloudy, with a low around 55. West wind around 8 mph.
20% chance of Sunday Sunday... A chance of drizzle before 11am. Patchy dense fog before 1pm. Otherwise, mostly cloudy, with a high near 62. West wind 5 to 9 mph.
Patchy Fog on Sunday Night Sunday Night... Patchy fog after 8pm. Otherwise, mostly cloudy, with a low around 54. West northwest wind 3 to 8 mph.
10% chance of Monday Monday... A slight chance of drizzle before 11am. Patchy fog before 10am. Otherwise, partly sunny, with a high near 62. Light west northwest wind increasing to 5 to 9 mph in the afternoon.
Patchy Fog on Monday Night Monday Night... Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 54.
Morning Fog on Tuesday Tuesday... Patchy fog before 10am. Otherwise, partly sunny, with a high near 64.
Patchy Fog on Tuesday Night Tuesday Night... Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 54.
Morning Fog on Wednesday Wednesday... Patchy fog before 9am. Otherwise, mostly sunny, with a high near 68.
Morning Fog on Wednesday Night Wednesday Night... Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 54.
Patchy Fog on Thursday Thursday... Patchy fog. Otherwise, mostly sunny, with a high near 67.
Patchy Fog on Thursday Night Thursday Night... Patchy fog. Otherwise, mostly cloudy, with a low around 54.
Patchy Fog on Friday Friday... Patchy fog. Otherwise, partly sunny, with a high near 66.
Current Radar Image


Sun Almanac for Half Moon Bay, California
Sunrise: 06:27 AM
Sunset: 8:01 PM
Civil Sunrise:06:00 AM
Civil Sunset: 8:28 PM
Nautical Sunrise: 05:26 AM
Nautical Sunset: 9:02 PM
Astro Sunrise: 04:51 AM
Astro Sunset: 9:37 PM
Any use of the information on this page is at your own risk. This information should not be relied upon in life-threatening situations, potential financial loss situations or in lieu of any officially disseminated information. Visit the National Weather Service for official information.