Jacksonville is forecast to reach a scorching 101°F on Sunday, the highest temperature in the four-city dataset, while Miami faces a 67% rain chance the same day, according to National Weather Service data. That 34-degree spread between Jacksonville’s Sunday high and Miami’s 81°F low today marks the widest temperature gap in the current forecast period.
Today, Miami tops out at 91°F with a low of 81°F, 68% humidity, and only a 17% rain chance. Tampa reaches 89°F with a 78°F low, 64% humidity, and winds up to 12 mph — with zero rain chance. Orlando matches Tampa at 89°F but drops to a 77°F low with just 57% humidity and 10 mph winds. Jacksonville leads today at 90°F with a 75°F low, 56% humidity, and 12 mph gusts, also rain-free.
By Sunday, Orlando surges to 97°F with gusts reaching 16 mph, while Tampa climbs to 92°F and drops to a 74°F low — its coolest overnight reading of the week. Monday pushes Tampa further to 93°F with humidity falling to 58%. Orlando holds at 96°F Monday before dipping to 95°F Tuesday with a 24% rain chance. Miami’s low climbs to 85°F by Monday, with 7.0mm of precipitation expected. Orlando spikes back to 97°F Wednesday before Thursday brings an 81% rain chance to Orlando with an 87°F high.