Today in San Marcos, the weather will deteriorate, becoming increasingly unstable.
Good clear periods but with plenty of cloud in the morning, storms developing in the afternoon. Fairly heavy showers for a time. Light winds.
The reliability of the situation is very good.
Temperatures will vary between 17 and 24°C.
Tonight, overcast skies with risk of thundery outbreaks.
Spells of rain during the night. Light winds.