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

77°F

25°C

Humidity 79%
Wind Speed E 6 mph
Barometer 29.96 in (1014.6 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 9 May 4:53 am EDT
Extended Forecast for

Key Biscayne FL

  • Today

    Today: Mostly sunny, with a high near 83. Southeast wind 10 to 13 mph.

    High: 83 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 79. Southeast wind 10 to 13 mph.

    Low: 79 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 83. Breezy, with a southeast wind 15 to 17 mph, with gusts as high as 20 mph.

    High: 83 °F

    Partly Sunny
    and Breezy

  • Saturday Night

    Saturday Night: A 20 percent chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 80. Breezy, with a southeast wind 13 to 18 mph.

    Low: 80 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms and
    Breezy

  • Sunday

    Sunday: A chance of showers, with thunderstorms also possible after 5pm. Mostly cloudy, with a high near 83. Breezy, with a southeast wind 15 to 18 mph. Chance of precipitation is 30%.

    High: 83 °F

    Chance
    Showers and
    Breezy

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am, then a chance of showers and thunderstorms after 2am. Cloudy, with a low around 80. Breezy, with a southeast wind 14 to 18 mph. Chance of precipitation is 40%.

    Low: 80 °F

    Chance
    Showers and
    Breezy

  • Monday

    Monday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2pm. High near 82. Breezy, with a southeast wind 14 to 17 mph. Chance of precipitation is 80%.

    High: 82 °F

    Chance
    Showers and
    Breezy then
    Showers

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm. Low around 77. Southeast wind 13 to 15 mph. Chance of precipitation is 90%.

    Low: 77 °F

    Showers

  • Tuesday

    Tuesday: Showers and possibly a thunderstorm. High near 82. South wind 11 to 14 mph. Chance of precipitation is 90%.

    High: 82 °F

    Showers

Detailed Forecast

Today
Mostly sunny, with a high near 83. Southeast wind 10 to 13 mph.
Tonight
Partly cloudy, with a low around 79. Southeast wind 10 to 13 mph.
Saturday
Partly sunny, with a high near 83. Breezy, with a southeast wind 15 to 17 mph, with gusts as high as 20 mph.
Saturday Night
A 20 percent chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 80. Breezy, with a southeast wind 13 to 18 mph.
Sunday
A chance of showers, with thunderstorms also possible after 5pm. Mostly cloudy, with a high near 83. Breezy, with a southeast wind 15 to 18 mph. Chance of precipitation is 30%.
Sunday Night
A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am, then a chance of showers and thunderstorms after 2am. Cloudy, with a low around 80. Breezy, with a southeast wind 14 to 18 mph. Chance of precipitation is 40%.
Monday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2pm. High near 82. Breezy, with a southeast wind 14 to 17 mph. Chance of precipitation is 80%.
Monday Night
Showers and possibly a thunderstorm. Low around 77. Southeast wind 13 to 15 mph. Chance of precipitation is 90%.
Tuesday
Showers and possibly a thunderstorm. High near 82. South wind 11 to 14 mph. Chance of precipitation is 90%.
Tuesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 76. Chance of precipitation is 60%.
Wednesday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 83.
Wednesday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 75.
Thursday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 84.
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ABOUT THIS FORECAST

 
Point Forecast:
Key Biscayne FL
 25.69°N 80.17°W
Last Update:
2:31 am EDT May 9, 2025
Forecast Valid:
5am EDT May 9, 2025-6pm EDT May 15, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation