Miami’s rain probability surges to 87% by Thursday, August 6 — the highest single-city rain chance in this forecast period — while Jacksonville’s overnight low plunges to 67°F on Sunday, the coolest reading across all four cities this weekend, according to National Weather Service data.

Today, Miami leads with a high of 91°F and only a 16% rain chance despite 63% humidity and winds gusting to 18 mph. Orlando reaches 89°F with a 21% rain chance and winds up to 9 mph. Jacksonville hits 87°F under active rain with a 36% chance and 1.1mm of precipitation already forecast. Tampa tops out at 86°F with just a 17% rain chance, 66% humidity, and gusts reaching 15 mph.
Sunday brings a notable cooldown to Jacksonville, where the low falls to 67°F and winds gust to 23 mph with 5.9mm of precipitation expected. Tampa drops to a high of 83°F Sunday before rebounding to 86°F Monday, when rain chances climb to 60% and humidity reaches 73%. Orlando’s high falls to 80°F Monday before jumping back to 87°F Tuesday. Miami’s rain chance hits 74% Tuesday with 21.2mm of precipitation projected — the heaviest single-day rainfall total across all cities in the three-day outlook.