


NWS Forecast for: San Marcos CA Issued by: National Weather Service San Diego, CA Last Update: 1:08 pm PDT Jul 12, 2025 | |
Tonight: Increasing clouds, with a low around 16. West wind 5 to 10 km/h. Sunday: Cloudy through mid morning, then gradual clearing, with a high near 26. West wind 5 to 15 km/h. Sunday Night: Patchy fog after 11pm. Otherwise, increasing clouds, with a low around 16. West wind 5 to 10 km/h becoming calm in the evening. Monday: Patchy fog before 11am. Otherwise, mostly cloudy through mid morning, then gradual clearing, with a high near 26. Light west wind increasing to 10 to 15 km/h in the morning. Monday Night: Patchy fog after 11pm. Otherwise, increasing clouds, with a low around 16. West wind 5 to 10 km/h becoming calm in the evening. Tuesday: Patchy fog before 11am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 25. Tuesday Night: Increasing clouds, with a low around 15. Wednesday: Mostly cloudy, then gradually becoming sunny, with a high near 24. Wednesday Night: Partly cloudy, with a low around 15. Thursday: Mostly sunny, with a high near 24. Thursday Night: Partly cloudy, with a low around 16. Friday: Mostly sunny, with a high near 26. Friday Night: Partly cloudy, with a low around 17. Saturday: Partly sunny, then gradually becoming sunny, with a high near 27. | |
San Marcos CA 33.15°N 117.16°W (Elev. 669 m) | |
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