San Marcos, CA — Severe Weather & Radar
No active severe-weather warnings for San Marcos, CA right now. Live radar is below — set up alerts to get warned the moment one is issued.
Severe-weather outlook
No severe-weather risk is outlooked for San Marcos, CA today.
3-day forecast
Today
Fog
82° / 62°
Tomorrow
Fog
80° / 61°
Saturday
Fog
79° / 60°
1% precip
Forecast via Open-Meteo.
In San Marcos, CA
San Marcos, CA is home to an estimated 89,000 people. Atmostorm shows whether San Marcos is inside an active NWS warning polygon right now — and warns you the moment that changes.
Not an official source — always confirm with the National Weather Service at weather.gov. Data aggregated from NWS/SPC. Facility and population figures are decision-support estimates.