Over the next 10 days San Salvador tops out around 34° (Sunday) and dips to 20° on the coolest night (Monday). Roughly 3.5 in of rain falls over the period, with Friday the most likely wet day (89%). Right now San Salvador is about 2° cooler than nearby Guatemala City. Longer view: a tropical climate — warm all year, with the calendar split into wet and dry rather than hot and cold.
San Salvador, El Salvador · 13.69°N, 89.19°W · America/El_Salvador · Forecast computed for these exact coordinates