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 74%
Wind Speed Vrbl 5 mph
Barometer 29.76 in (1007.8 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 13 Nov 2:53 pm EST
Extended Forecast for

Key Biscayne FL

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 81. Northwest wind around 10 mph.

    High: 81 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 67. Breezy, with a northwest wind 13 to 18 mph.

    Low: 67 °F

    Mostly Clear
    and Breezy

  • Saturday

    Saturday: Sunny, with a high near 73. Breezy, with a north wind 14 to 20 mph.

    High: 73 °F

    Sunny and
    Breezy then
    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 66. Breezy, with a north wind around 16 mph.

    Low: 66 °F

    Partly Cloudy
    and Breezy

  • Sunday

    Sunday: Mostly sunny, with a high near 79. Breezy, with a northeast wind 13 to 16 mph, with gusts as high as 20 mph.

    High: 79 °F

    Partly Sunny
    then Sunny
    and Breezy

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 75. Windy, with a northeast wind 18 to 22 mph.

    Low: 75 °F

    Partly Cloudy
    and Windy

  • Monday

    Monday: Mostly sunny, with a high near 80. Windy, with a northeast wind 23 to 25 mph, with gusts as high as 29 mph.

    High: 80 °F

    Mostly Sunny
    and Windy

  • Monday Night

    Monday Night: A 30 percent chance of showers, mainly after 1am. Partly cloudy, with a low around 76. Windy, with an east wind 25 to 29 mph.

    Low: 76 °F

    Chance
    Showers and
    Windy

  • Tuesday

    Tuesday: A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 80. Windy, with an east wind 26 to 29 mph, with gusts as high as 33 mph. Chance of precipitation is 40%.

    High: 80 °F

    Chance
    Showers and
    Windy

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 81. Northwest wind around 10 mph.
Tonight
Mostly clear, with a low around 67. Breezy, with a northwest wind 13 to 18 mph.
Saturday
Sunny, with a high near 73. Breezy, with a north wind 14 to 20 mph.
Saturday Night
Partly cloudy, with a low around 66. Breezy, with a north wind around 16 mph.
Sunday
Mostly sunny, with a high near 79. Breezy, with a northeast wind 13 to 16 mph, with gusts as high as 20 mph.
Sunday Night
Partly cloudy, with a low around 75. Windy, with a northeast wind 18 to 22 mph.
Monday
Mostly sunny, with a high near 80. Windy, with a northeast wind 23 to 25 mph, with gusts as high as 29 mph.
Monday Night
A 30 percent chance of showers, mainly after 1am. Partly cloudy, with a low around 76. Windy, with an east wind 25 to 29 mph.
Tuesday
A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 80. Windy, with an east wind 26 to 29 mph, with gusts as high as 33 mph. Chance of precipitation is 40%.
Tuesday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 76. Windy.
Wednesday
Showers likely. Partly sunny, with a high near 80. Windy. Chance of precipitation is 60%.
Wednesday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 76. Windy. Chance of precipitation is 60%.
Thursday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 81. Windy.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Key Biscayne FL
 25.69°N 80.15°W
Last Update:
3:36 pm EST Nov 13, 2026
Forecast Valid:
3pm EST Nov 13, 2026-6pm EST Nov 19, 2026
 
Forecast Discussion
 
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Additional Resources

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National Digital Forecast Database

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High Temperature

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Chance of Precipitation