Monday
Chance of thunderstorms
High:
89°F
A 30 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 89. Heat index values as high as 105. South wind 7 to 10 mph.
Key Biscayne, FL Weather - Tomorrow’s Forecast
Monday Night
Chance of thunderstorms
Overnight low:
83°F
A 30 percent chance of showers and thunderstorms, mainly before 7pm. Mostly cloudy, with a low around 83. South wind 5 to 7 mph.