Weather in San Marcos, California
Live weather conditions. Source: Open-Meteo
Updated May 24, 2026 · 06:30 PM ET · Refreshes every hour
68°F
Clear sky
Feels like 68°F
67%
Humidity
10 mph
Wind Speed
About Weather in San Marcos
San Marcos is located in California (coordinates: 33.132567°N, 117.169892°W). Weather data is sourced from Open-Meteo, a free and open meteorological API using data from national weather services including NOAA.
All temperatures are displayed in Fahrenheit. Wind speed is in miles per hour.