Over the next 10 days Cancún tops out around 90° (Friday) and dips to 79° on the coolest night (Tuesday). Roughly 0.07 in of rain falls over the period, with Friday the most likely wet day (36%). Longer view: a tropical climate — warm all year, with the calendar split into wet and dry rather than hot and cold.
Cancún, Mexico · 21.16°N, 86.85°W · America/Cancun · Forecast computed for these exact coordinates