Weather forecast in San Marcos

This data display current weather and forecast for the coming days in San Marcos. In addition to temperature, wind, humidity and pressure, we include data on the probability of precipitation so you can have all the information about your destination before your trip.

San Marcos current temperature and weather

6 September 2025

Night
22.5°C Feels like: 24.8°C	Clear
	Wind: 17.6 Km/h (11 mph) NE Pressure: 1016 hPa (30.01 inHg) Humidity: 72%	Precip. prob.: 0% Visibility: 10 km (6 mi) UV index: 0
Morning
23.7°C Feels like: 25.3°C	Sunny
	Wind: 14.4 Km/h (8.9 mph) NE Pressure: 1016 hPa (30 inHg) Humidity: 61%	Precip. prob.: 0% Visibility: 10 km (6 mi) UV index: 0.5
Day
26.2°C Feels like: 27.6°C	Patchy rain nearby
	Wind: 17.3 Km/h (10.7 mph) NE Pressure: 1015 hPa (29.99 inHg) Humidity: 62%	Precip. prob.: 66% Visibility: 10 km (6 mi) UV index: 9.6
Evening
23.8°C Feels like: 25.6°C	Clear
	Wind: 15.8 Km/h (9.8 mph) NE Pressure: 1016 hPa (29.99 inHg) Humidity: 73%	Precip. prob.: 0% Visibility: 10 km (6 mi) UV index: 0

Marine weather forecast San Marcos

The graphs show wave heights and directions, as well as wind speed and direction in San Marcos for the coming days. Click on the sea state chart for more details

In order for you to be able to estimate what the weather is like in San Marcos throughout the year, we provide monthly data for the last few years. Select the month you are interested in.

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Our report for San Marcos is compiled using satellite data together with in-situ observations to get the most reliable daily data of sea surface temperatures, surf forecasts, current temperatures and weather forecasts.