Lake San Marcos, California Weather
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Click for Beach Hazards Statement for Lake San Marcos, California
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Weather Forecast for Lake San Marcos, California : San Diego County
Issued: 2:06 am PDT Jul 3, 2025 Latitude: 33.1261506 Longitude: -117.2083682 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Independence Day Saturday Sunday Monday Tuesday Wednesday
Morning Fog on Today Patchy Fog on Tonight Morning Fog on Independence Day Morning Fog on Saturday Morning Fog on Sunday Morning Fog on Monday Patchy Fog on Tuesday Patchy Fog on Wednesday
High: 73°F Low: 60°F High: 78°F High: 80°F High: 79°F High: 79°F High: 80°F High: 83°F
Low: 61°F Low: 60°F Low: 61°F Low: 63°F Low: 66°F  
Morning Fog Patchy Fog Morning Fog Morning Fog Morning Fog Morning Fog Patchy Fog Patchy Fog
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Current Conditions at
CARLSBAD - (KCRQ)
66°
Mostly Clear
as of 9:53 AM PDST
Rel. Humidity: 72%
Dew Point: 57°F
Visibility: 10 Miles
Pressure: 29.92 in.
Flight Rule: VFR
Wind Data
8 MPH
190° South
Cloud Level(s): Few at 1700ft
Current Conditions at
OCEANSIDE - (KOKB)
70°
Partly Cloudy
Haze
as of 10:00 AM PDST
Rel. Humidity: 64%
Dew Point: 57°F
Visibility: 5 Miles
Pressure: 29.92 in.
Flight Rule: MVFR
Wind Data
7 MPH
240° Southwest
Cloud Level(s): Scattered at 2000ft
Current Conditions at
CAMP PENDLETON - (KNFG)
72°
Mostly Clear
as of 9:53 AM PDST
Rel. Humidity: 60%
Dew Point: 57°F
Visibility: 10 Miles
Pressure: 29.92 in.
Flight Rule: VFR
Wind Data
6 MPH
200° South
Cloud Level(s): Few at 2000ft
Current Conditions at
MIRAMAR MCAS - (KNKX)
70°
Mostly Cloudy
as of 10:36 AM PDST
Rel. Humidity: 60%
Dew Point: 55°F
Visibility: 9 Miles
Pressure: 29.93 in.
Flight Rule: MVFR
Wind Data
7 MPH
Cloud Level(s): Broken at 1600ft
Morning Fog on Today Today... Patchy fog before 11am. Otherwise, sunny, with a high near 73. Southwest wind 5 to 10 mph.
Patchy Fog on Tonight Tonight... Patchy fog after 11pm. Otherwise, increasing clouds, with a low around 60. Southwest wind around 5 mph becoming calm in the evening.
Morning Fog on Independence Day Independence Day... Patchy fog before 11am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 78. Light and variable wind becoming west 5 to 10 mph in the morning.
Patchy Fog on Friday Night Friday Night... Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 61. West wind around 5 mph becoming calm in the evening.
Morning Fog on Saturday Saturday... Patchy fog before 11am. Otherwise, mostly sunny, with a high near 80. Light northwest wind becoming west 5 to 10 mph in the morning.
Patchy Fog on Saturday Night Saturday Night... Patchy fog after 11pm. Otherwise, increasing clouds, with a low around 60.
Morning Fog on Sunday Sunday... Patchy fog before 11am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 79.
Patchy Fog on Sunday Night Sunday Night... Patchy fog after 11pm. Otherwise, increasing clouds, with a low around 61.
Morning Fog on Monday Monday... Patchy fog before 11am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 79.
Patchy Fog on Monday Night Monday Night... Patchy fog after 11pm. Otherwise, increasing clouds, with a low around 63.
Patchy Fog on Tuesday Tuesday... Patchy fog. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 80.
Patchy Fog on Tuesday Night Tuesday Night... Patchy fog. Otherwise, increasing clouds, with a low around 66.
Patchy Fog on Wednesday Wednesday... Patchy fog. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 83.
Current Radar Image


Sun Almanac for Lake San Marcos, California
Sunrise: 05:45 AM
Sunset: 8:02 PM
Civil Sunrise:05:16 AM
Civil Sunset: 8:30 PM
Nautical Sunrise: 04:41 AM
Nautical Sunset: 9:05 PM
Astro Sunrise: 04:03 AM
Astro Sunset: 9:43 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.