Orlando and Jacksonville are set to drive the most extreme heat across Florida this week, with Jacksonville forecast to reach 101°F on Tuesday — the highest temperature in the dataset — while Miami’s overnight low holds at 83°F Sunday, according to National Weather Service data. That gap between Jacksonville’s 101°F Tuesday high and Miami’s 83°F low represents a 18-degree spread within the state on the same day.
In Miami, Sunday’s high reaches 92°F with a 26% rain chance and winds gusting to 15 mph. Tampa sits at 91°F Sunday with only a 3% rain chance and gusts to 13 mph. Orlando hits 91°F Sunday at 70% humidity with gusts reaching 18 mph and a 13% rain chance. Jacksonville tops Sunday at 90°F with a 25% rain chance and 1.3mm of precipitation expected, the highest Sunday rainfall total among the four cities.
Orlando surges to 97°F Monday and 98°F by Tuesday, holding at 98°F through Wednesday and Thursday before dropping to 90°F Friday. Tampa climbs to 93°F Monday, reaches 94°F Wednesday, then falls to 87°F Friday. Jacksonville draws a 38% rain chance Monday with 2.3mm of precipitation before spiking to 101°F Tuesday. Miami cools from 90°F Monday to 88°F Tuesday, with rain chance falling to 0% by Tuesday.