I-15 weather conditions near San Marcos, California

Roadnow AI Agent Live Update

7 day weather forecast

• Overnight 2025-06-19, Patchy Fog. Patchy fog. Otherwise, mostly cloudy, with a low around 60. Calm wind.
• Juneteenth 2025-06-19, Patchy Fog then Sunny. Patchy fog before 11am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 80. Light west wind increasing to 5 to 10 mph in the afternoon.
• Thursday Night 2025-06-19, Patchy Fog. Patchy fog after 11pm. Otherwise, increasing clouds, with a low around 58. West wind around 5 mph becoming calm in the evening.
• Friday 2025-06-20, Patchy Fog then Sunny. Patchy fog before 11am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 76. South wind 5 to 10 mph.
• Friday Night 2025-06-20, Patchy Fog. Patchy fog after 11pm. Otherwise, increasing clouds, with a low around 58. South wind around 5 mph.
• Saturday 2025-06-21, Patchy Fog then Sunny. Patchy fog before 11am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 74.
• Saturday Night 2025-06-21, Patchy Fog. Patchy fog after 11pm. Otherwise, increasing clouds, with a low around 57.
• Sunday 2025-06-22, Patchy Fog then Sunny. Patchy fog before 11am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 75.
• Sunday Night 2025-06-22, Patchy Fog. Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 56.
• Monday 2025-06-23, Patchy Fog then Sunny. Patchy fog before 11am. Otherwise, mostly sunny, with a high near 76.
• Monday Night 2025-06-23, Patchy Fog. Patchy fog. Otherwise, partly cloudy, with a low around 56.
• Tuesday 2025-06-24, Patchy Fog then Sunny. Patchy fog. Otherwise, mostly sunny, with a high near 76.
• Tuesday Night 2025-06-24, Patchy Fog. Patchy fog. Otherwise, partly cloudy, with a low around 57.
• Wednesday 2025-06-25, Patchy Fog then Sunny. Patchy fog. Otherwise, mostly sunny, with a high near 78.