Sunday stays partly sunny, very warm, and sticky in Boca Raton, with heat index values near 100 and only a small late-day storm chance. Storm coverage increases Monday, then Tuesday looks like the wettest day of the week with a higher risk for downpours, lightning, and a few stronger storms.
Saturday stays mostly sunny and hot in Boca Raton, with a high near 89 and a southeast breeze. Humidity builds through the weekend, pushing heat index values into the 100–105 range, while rain chances gradually increase—especially early next week as a front nears South Florida.
Sunny and mainly dry weather holds in Boca Raton today, but the heat is the headline through the weekend. A sea breeze will turn winds onshore this afternoon, then rain and thunder chances rise early next week as a front nears South Florida.
Monday stays breezy with scattered showers and thunderstorms, and a few storms may drop heavy rain. The bigger headline near the coast: dangerous rip currents and rougher Atlantic waters today. Rain chances ease Tuesday, then hotter, drier weather builds midweek with rising heat impacts.
Sunday brings a sharp change from Saturday’s heat: more clouds, a north-to-northeast breeze, and a high near 80. Showers and thunderstorms are likely this afternoon and evening, with locally heavy rain possible. Breezy northeast winds and choppier Atlantic seas follow into Monday.