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

Hazardous Weather Conditions

Current conditions at

Miami, Miami International Airport (KMIA)

Lat: 25.79°NLon: 80.32°WElev: 10ft.

Mostly Cloudy

78°F

26°C

Humidity 47%
Wind Speed NE 20 G 31 mph
Barometer 30.21 in (1022.8 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 21 Apr 12:53 pm EDT
Extended Forecast for

Key Biscayne FL

  • This Afternoon

    This Afternoon: Sunny, with a high near 77. Windy, with a northeast wind 25 to 28 mph, with gusts as high as 31 mph.

    High: 77 °F

    Sunny and
    Windy

  • Tonight

    Tonight: Partly cloudy, with a low around 73. Windy, with an east wind 26 to 29 mph.

    Low: 73 °F

    Partly Cloudy
    and Windy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 77. Windy, with an east wind 18 to 22 mph.

    High: 77 °F

    Mostly Sunny
    and Windy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 72. Breezy, with an east wind 17 to 20 mph.

    Low: 72 °F

    Mostly Cloudy
    and Breezy

  • Thursday

    Thursday: A 20 percent chance of showers before 2pm. Mostly cloudy, with a high near 77. Breezy, with an east wind around 16 mph, with gusts as high as 20 mph.

    High: 77 °F

    Slight Chance
    Showers and
    Breezy

  • Thursday Night

    Thursday Night: A 20 percent chance of showers after 2am. Mostly cloudy, with a low around 73. East wind around 15 mph.

    Low: 73 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 78. Southeast wind 11 to 13 mph.

    High: 78 °F

    Slight Chance
    T-storms

  • Friday Night

    Friday Night: Partly cloudy, with a low around 74. East wind around 10 mph.

    Low: 74 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 80. East wind 7 to 9 mph.

    High: 80 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 77. Windy, with a northeast wind 25 to 28 mph, with gusts as high as 31 mph.
Tonight
Partly cloudy, with a low around 73. Windy, with an east wind 26 to 29 mph.
Wednesday
Mostly sunny, with a high near 77. Windy, with an east wind 18 to 22 mph.
Wednesday Night
Mostly cloudy, with a low around 72. Breezy, with an east wind 17 to 20 mph.
Thursday
A 20 percent chance of showers before 2pm. Mostly cloudy, with a high near 77. Breezy, with an east wind around 16 mph, with gusts as high as 20 mph.
Thursday Night
A 20 percent chance of showers after 2am. Mostly cloudy, with a low around 73. East wind around 15 mph.
Friday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 78. Southeast wind 11 to 13 mph.
Friday Night
Partly cloudy, with a low around 74. East wind around 10 mph.
Saturday
Mostly sunny, with a high near 80. East wind 7 to 9 mph.
Saturday Night
Mostly clear, with a low around 75.
Sunday
Sunny, with a high near 81.
Sunday Night
Mostly clear, with a low around 75.
Monday
Sunny, with a high near 82.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Key Biscayne FL
 25.69°N 80.17°W
Last Update:
10:32 am EDT Apr 21, 2026
Forecast Valid:
1pm EDT Apr 21, 2026-6pm EDT Apr 27, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation