


NWS Forecast for: San Marcos CA Issued by: National Weather Service San Diego, CA Last Update: 2:06 am PDT Jul 3, 2025 | |
Today: Patchy fog before 11am. Otherwise, sunny, with a high near 76. Light southwest wind increasing to 5 to 10 mph in the morning. Tonight: Patchy fog after 11pm. Otherwise, increasing clouds, with a low around 60. Southwest wind around 5 mph becoming calm in the evening. Independence Day: Patchy fog before 11am. Otherwise, mostly cloudy through mid morning, then gradual clearing, with a high near 81. Light and variable wind becoming west 5 to 10 mph in the morning. Friday Night: Patchy fog after 11pm. Otherwise, increasing clouds, with a low around 61. West wind around 5 mph becoming calm in the evening. Saturday: Patchy fog before 11am. Otherwise, mostly sunny, with a high near 82. Light west wind increasing to 5 to 10 mph in the morning. Saturday Night: Patchy fog after 11pm. Otherwise, increasing clouds, with a low around 61. Sunday: Patchy fog before 11am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 83. Sunday Night: Patchy fog after 11pm. Otherwise, increasing clouds, with a low around 62. Monday: Patchy fog before 11am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 82. Monday Night: Patchy fog after 11pm. Otherwise, increasing clouds, with a low around 64. Tuesday: Patchy fog. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 84. Tuesday Night: Patchy fog. Otherwise, increasing clouds, with a low around 66. Wednesday: Patchy fog. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 86. | |
San Marcos CA 33.15°N 117.16°W (Elev. 669 ft) | |
Visit your local NWS office at: https://www.weather.gov/sgx |