San Marcos, CA

Updated 9/16/2026, 8:18:26 AM PDT

Local Partner

WEATHER

64°F. Sunny. Wind 5 mph E. 7-Day Forecast →

Low 66°High 76°

Current

UV INDEX

Peak UV 7 today at 1 PM.

LowExtreme

Peak @ 1 PM

AIR

AQI 52 (Moderate).

GoodHazardous

AQI 52

MARINE

South Ponto Beach • Waves 2.5 ft • Water 74°F (23°C) • SW 12 sec • Updated 18 min ago

PUBLIC ALERTS

No active federal alerts reported.

ROADS

CA-78 • I-15

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