National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Miami, Miami International Airport (KMIA)

Lat: 25.79°NLon: 80.32°WElev: 10ft.

Partly Cloudy

81°F

27°C

Humidity 77%
Wind Speed Vrbl 3 mph
Barometer 29.91 in (1012.7 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 14 May 9:53 am EDT
Extended Forecast for

Key Biscayne FL

  • Today

    Today: A 20 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 86. West wind 7 to 9 mph becoming south in the afternoon.

    High: 86 °F

    Sunny then
    Slight Chance
    T-storms

  • Tonight

    Tonight: Mostly clear, with a low around 79. West wind 9 to 13 mph.

    Low: 79 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 85. West wind 6 to 10 mph becoming southeast in the morning.

    High: 85 °F

    Sunny

  • Friday Night

    Friday Night: A 20 percent chance of showers and thunderstorms after 2am. Mostly clear, with a low around 81. Southeast wind 8 to 11 mph.

    Low: 81 °F

    Mostly Clear
    then Slight
    Chance
    T-storms

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms, mainly after 2pm. Sunny, with a high near 84. East wind around 11 mph.

    High: 84 °F

    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 82. Breezy, with an east wind around 16 mph.

    Low: 82 °F

    Chance
    T-storms and
    Breezy

  • Sunday

    Sunday: A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 84. East wind around 15 mph.

    High: 84 °F

    Chance
    T-storms

  • Sunday Night

    Sunday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 82. Breezy, with an east wind 17 to 20 mph.

    Low: 82 °F

    Chance
    T-storms and
    Breezy

  • Monday

    Monday: A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 83. Breezy, with an east wind around 16 mph, with gusts as high as 20 mph.

    High: 83 °F

    Chance
    T-storms and
    Breezy

Detailed Forecast

Today
A 20 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 86. West wind 7 to 9 mph becoming south in the afternoon.
Tonight
Mostly clear, with a low around 79. West wind 9 to 13 mph.
Friday
Sunny, with a high near 85. West wind 6 to 10 mph becoming southeast in the morning.
Friday Night
A 20 percent chance of showers and thunderstorms after 2am. Mostly clear, with a low around 81. Southeast wind 8 to 11 mph.
Saturday
A 30 percent chance of showers and thunderstorms, mainly after 2pm. Sunny, with a high near 84. East wind around 11 mph.
Saturday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 82. Breezy, with an east wind around 16 mph.
Sunday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 84. East wind around 15 mph.
Sunday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 82. Breezy, with an east wind 17 to 20 mph.
Monday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 83. Breezy, with an east wind around 16 mph, with gusts as high as 20 mph.
Monday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 82. Windy.
Tuesday
A 30 percent chance of showers and thunderstorms. Sunny, with a high near 83. Breezy.
Tuesday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 81. Breezy.
Wednesday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 83.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Key Biscayne FL
 25.66°N 80.15°W
Last Update:
4:01 am EDT May 14, 2026
Forecast Valid:
10am EDT May 14, 2026-6pm EDT May 20, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation