| NWS Forecast for: San Marcos CA Issued by: National Weather Service San Diego, CA Last Update: 2:23 am PDT Jun 30, 2026 | |
| Overnight: Patchy drizzle. Cloudy, with a low around 60. South wind around 5 mph becoming calm. Tuesday: Cloudy through mid morning, then gradual clearing, with a high near 71. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. Tuesday Night: Increasing clouds, with a low around 57. West wind 5 to 10 mph becoming light southwest in the evening. Wednesday: Cloudy through mid morning, then gradual clearing, with a high near 72. Light and variable wind becoming west 5 to 10 mph in the morning. Wednesday Night: Increasing clouds, with a low around 57. West wind around 5 mph becoming calm in the evening. Thursday: Mostly cloudy, then gradually becoming sunny, with a high near 74. Thursday Night: Increasing clouds, with a low around 58. Friday: Mostly cloudy, then gradually becoming sunny, with a high near 76. Friday Night: Increasing clouds, with a low around 59. Independence Day: Mostly cloudy, then gradually becoming sunny, with a high near 77. Saturday Night: Increasing clouds, with a low around 60. Sunday: Mostly cloudy through mid morning, then gradual clearing, with a high near 76. Sunday Night: Increasing clouds, with a low around 61. Monday: Mostly cloudy, then gradually becoming sunny, with a high near 77. | |
| San Marcos CA 33.13°N 117.15°W (Elev. 794 ft) | |
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