Over the next 10 days Santiago de Cuba tops out around 35° (Wednesday) and dips to 23° on the coolest night (Friday). Roughly 1.4 in of rain falls over the period, with Wednesday the most likely wet day (83%). Right now Santiago de Cuba is running about 14° warmer than Guantánamo. Longer view: a tropical climate — warm all year, with the calendar split into wet and dry rather than hot and cold.
Santiago de Cuba, Cuba · 20.02°N, 75.82°W · America/Havana · Forecast computed for these exact coordinates