While the forecast high of 89 to 90 degrees on Key Biscayne is several degrees cooler than inland parts of Miami-Dade County, the combination of heat and humidity will push the heat index to between 105 and 108 degrees today. A Heat Advisory remains in effect until 7 p.m.
Cloudy skies early will gradually give way to more sunshine later in the day. Winds out of the ESE at 5 to 10 mph.
Tonight, mostly clear with a low around 82 degrees.
Monday, mainly sunny with a high near 89 degrees and SE winds at 10 to 15 mph.
For hour-by-hour Key Biscayne weather updates and local radar, click here.