Key Biscayne, FL (33149)

Today

Thunderstorms likely this morning. Then a chance of scattered thunderstorms this afternoon. High 77F. Winds NW at 5 to 10 mph. Chance of rain 100%..

Tonight

Partly cloudy skies this evening will give way to occasional showers overnight. Low 67F. Winds N at 10 to 20 mph. Chance of rain 40%.

Updated: December 14, 2025 @ 4:58 am