Today in San Marcos,the atmosphere will be very humid and unstable. Storms developing in the morning, very cloudy with possibility of thunder storms in the afternoon. Some heavy showers in the morning, possibility of showers in the afternoon. Light winds.
The reliability of the situation is very good.
Temperatures will vary between 25 and 29°C, it will be warm in the afternoon.
Tonight,very cloudy with risk of storms. Showers towards the end of the night. Light winds.