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.

Mostly Cloudy

72°F

22°C

Humidity 55%
Wind Speed N 8 mph
Barometer 30.02 in (1016.5 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 11 Dec 12:53 pm EST
Extended Forecast for

Key Biscayne FL

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 75. North wind 11 to 14 mph.

    High: 75 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 67. North wind around 11 mph.

    Low: 67 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 77. East wind around 11 mph.

    High: 77 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 72. East wind around 11 mph.

    Low: 72 °F

    Partly Cloudy

  • Saturday

    Saturday: A 20 percent chance of showers after 1pm. Partly sunny, with a high near 79. East wind 11 to 14 mph.

    High: 79 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of showers, with thunderstorms also possible after 1am. Mostly cloudy, with a low around 73. East wind 8 to 14 mph. Chance of precipitation is 50%.

    Low: 73 °F

    Chance
    Showers then
    Chance
    T-storms

  • Sunday

    Sunday: A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 79. North wind 7 to 10 mph.

    High: 79 °F

    Chance
    T-storms then
    Chance
    Showers

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 69. Windy, with a north wind 14 to 19 mph increasing to 21 to 26 mph after midnight.

    Low: 69 °F

    Partly Cloudy
    and Windy

  • Monday

    Monday: A 20 percent chance of showers after 1pm. Mostly sunny, with a high near 74. Windy, with a northeast wind 24 to 26 mph, with gusts as high as 29 mph.

    High: 74 °F

    Windy. Mostly
    Sunny then
    Slight Chance
    Showers

Detailed Forecast

This Afternoon
Partly sunny, with a high near 75. North wind 11 to 14 mph.
Tonight
Mostly clear, with a low around 67. North wind around 11 mph.
Friday
Mostly sunny, with a high near 77. East wind around 11 mph.
Friday Night
Partly cloudy, with a low around 72. East wind around 11 mph.
Saturday
A 20 percent chance of showers after 1pm. Partly sunny, with a high near 79. East wind 11 to 14 mph.
Saturday Night
A chance of showers, with thunderstorms also possible after 1am. Mostly cloudy, with a low around 73. East wind 8 to 14 mph. Chance of precipitation is 50%.
Sunday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 79. North wind 7 to 10 mph.
Sunday Night
Partly cloudy, with a low around 69. Windy, with a north wind 14 to 19 mph increasing to 21 to 26 mph after midnight.
Monday
A 20 percent chance of showers after 1pm. Mostly sunny, with a high near 74. Windy, with a northeast wind 24 to 26 mph, with gusts as high as 29 mph.
Monday Night
Mostly cloudy, with a low around 68. Windy.
Tuesday
Mostly sunny, with a high near 75. Breezy.
Tuesday Night
Partly cloudy, with a low around 70. Breezy.
Wednesday
A 20 percent chance of showers. Mostly sunny, with a high near 77.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Key Biscayne FL
 25.69°N 80.17°W
Last Update:
1:31 pm EST Dec 11, 2025
Forecast Valid:
1pm EST Dec 11, 2025-6pm EST Dec 17, 2025
 
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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