Sunday
Sunny
High:
88°F
Sunny, with a high near 88. Heat index values as high as 101. Southeast wind 10 to 15 mph.
Key Biscayne, FL Weather - Extended Forecast
Sunday Night
Mostly clear
Overnight low:
81°F
Mostly clear, with a low around 81. East wind around 9 mph.
Columbus Day
Sunny
High:
88°F
A 30 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 88. Northeast wind 7 to 13 mph.
Monday Night
Chance of thunderstorms
Overnight low:
79°F
A 30 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 79. Northeast wind 10 to 13 mph.
Tuesday
Sunny
High:
87°F
Tuesday Night
Mostly clear
Overnight low:
78°F
Wednesday
Sunny
High:
86°F
Wednesday Night
Clear
Overnight low:
79°F
Thursday
Chance of showers and thunderstorms
High:
86°F
Thursday Night
Chance of thunderstorms
Overnight low:
80°F
Friday
Chance of thunderstorms
High:
86°F