Half Moon Bay, California Weather
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Weather Forecast for Half Moon Bay, California : San Mateo County
Issued: 1:26 am PDT Oct 18, 2025 Latitude: 37.4635519 Longitude: -122.4285862 View on Google Maps

MouseOver for Detail Forecast
Overnight Saturday Sunday Monday Tuesday Wednesday Thursday Friday
Mostly Clear on Overnight Sunny on Saturday Mostly Sunny on Sunday Mostly Sunny on Monday Mostly Sunny on Tuesday Partly Sunny on Wednesday Patchy Fog on Thursday Mostly Cloudy on Friday
Low: 53°F High: 72°F High: 68°F High: 71°F High: 68°F High: 64°F High: 65°F High: 64°F
Low: 52°F Low: 52°F Low: 53°F Low: 53°F Low: 52°F Low: 52°F  
Mostly Clear Sunny Mostly Sunny Mostly Sunny Mostly Sunny Partly Sunny Patchy Fog Mostly Cloudy
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Current Conditions at
SAN CARLOS - (KSQL)
57°
Clear
as of 3:35 AM PDST
Rel. Humidity: 87%
Dew Point: 54°F
Visibility: 10 Miles
Pressure: 29.99 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
SAN FRANCISCO - (KSFO)
57°
Clear
as of 2:56 AM PDST
Rel. Humidity: 76%
Dew Point: 50°F
Visibility: 10 Miles
Pressure: 29.99 in.
Flight Rule: VFR
Wind Data
3 MPH
200° South
Cloud Level(s): Clear
Current Conditions at
OAKLAND - (KOAK)
55°
Clear
as of 2:53 AM PDST
Rel. Humidity: 87%
Dew Point: 52°F
Visibility: 10 Miles
Pressure: 29.99 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Mostly Clear on Overnight Overnight... Mostly clear, with a low around 53. East northeast wind around 6 mph.
Sunny on Saturday Saturday... Sunny, with a high near 72. East wind 5 to 9 mph becoming light and variable.
Cloudy on Saturday Night Saturday Night... Partly cloudy, with a low around 52. Light west southwest wind.
Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 68. Calm wind becoming west 5 to 7 mph in the morning.
Cloudy on Sunday Night Sunday Night... Partly cloudy, with a low around 52. Light and variable wind becoming east northeast 5 to 10 mph after midnight.
Mostly Sunny on Monday Monday... Mostly sunny, with a high near 71.
Cloudy on Monday Night Monday Night... Partly cloudy, with a low around 53.
Mostly Sunny on Tuesday Tuesday... Mostly sunny, with a high near 68.
Mostly Cloudy on Tuesday Night Tuesday Night... Mostly cloudy, with a low around 53.
Partly Sunny on Wednesday Wednesday... Partly sunny, with a high near 64.
Patchy Fog on Wednesday Night Wednesday Night... Patchy fog. Otherwise, mostly cloudy, with a low around 52.
Patchy Fog on Thursday Thursday... Patchy fog. Otherwise, mostly sunny, with a high near 65.
Mostly Cloudy on Thursday Night Thursday Night... Mostly cloudy, with a low around 52.
Mostly Cloudy on Friday Friday... Mostly cloudy, with a high near 64.
Current Radar Image


Sun Almanac for Half Moon Bay, California
Sunrise: 07:21 AM
Sunset: 6:28 PM
Civil Sunrise:06:55 AM
Civil Sunset: 6:55 PM
Nautical Sunrise: 06:24 AM
Nautical Sunset: 7:25 PM
Astro Sunrise: 05:54 AM
Astro Sunset: 7:55 PM
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