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.

Fair

65°F

18°C

Humidity 81%
Wind Speed Calm
Barometer 30.06 in (1017.9 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 25 Mar 4:53 am EDT
Extended Forecast for

Key Biscayne FL

  • Today

    Today: Sunny, with a high near 78. Light and variable wind becoming east 5 to 8 mph in the morning.

    High: 78 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 72. East wind 7 to 10 mph.

    Low: 72 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 78. East wind 8 to 13 mph.

    High: 78 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 73. East wind 11 to 14 mph.

    Low: 73 °F

    Mostly Clear

  • Friday

    Friday: A 20 percent chance of showers after 2pm. Mostly sunny, with a high near 79. East wind 10 to 13 mph.

    High: 79 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Friday Night

    Friday Night: Mostly clear, with a low around 73. East wind 7 to 13 mph.

    Low: 73 °F

    Mostly Clear

  • Saturday

    Saturday: A 20 percent chance of showers after 2pm. Sunny, with a high near 80. Northeast wind 6 to 13 mph.

    High: 80 °F

    Sunny then
    Slight Chance
    Showers

  • Saturday Night

    Saturday Night: A 30 percent chance of showers, mainly after 2am. Partly cloudy, with a low around 74. Windy, with a northeast wind 16 to 21 mph.

    Low: 74 °F

    Chance
    Showers and
    Windy

  • Sunday

    Sunday: A chance of showers, with thunderstorms also possible after 2pm. Mostly sunny, with a high near 77. Windy, with a northeast wind 23 to 25 mph. Chance of precipitation is 30%.

    High: 77 °F

    Chance
    Showers and
    Windy

Detailed Forecast

Today
Sunny, with a high near 78. Light and variable wind becoming east 5 to 8 mph in the morning.
Tonight
Mostly clear, with a low around 72. East wind 7 to 10 mph.
Thursday
Sunny, with a high near 78. East wind 8 to 13 mph.
Thursday Night
Mostly clear, with a low around 73. East wind 11 to 14 mph.
Friday
A 20 percent chance of showers after 2pm. Mostly sunny, with a high near 79. East wind 10 to 13 mph.
Friday Night
Mostly clear, with a low around 73. East wind 7 to 13 mph.
Saturday
A 20 percent chance of showers after 2pm. Sunny, with a high near 80. Northeast wind 6 to 13 mph.
Saturday Night
A 30 percent chance of showers, mainly after 2am. Partly cloudy, with a low around 74. Windy, with a northeast wind 16 to 21 mph.
Sunday
A chance of showers, with thunderstorms also possible after 2pm. Mostly sunny, with a high near 77. Windy, with a northeast wind 23 to 25 mph. Chance of precipitation is 30%.
Sunday Night
A 20 percent chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 73. Windy.
Monday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 76. Windy.
Monday Night
A 10 percent chance of showers and thunderstorms. Partly cloudy, with a low around 73. Windy.
Tuesday
Mostly sunny, with a high near 77. Windy.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Key Biscayne FL
 25.69°N 80.17°W
Last Update:
4:16 am EDT Mar 25, 2026
Forecast Valid:
4am EDT Mar 25, 2026-6pm EDT Mar 31, 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