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.

A Few Clouds

75°F

24°C

Humidity 66%
Wind Speed NE 9 mph
Barometer 30.17 in (1021.6 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 31 Mar 8:53 pm EDT
Extended Forecast for

Key Biscayne FL

  • Tonight

    Tonight: Partly cloudy, with a low around 74. Breezy, with an east wind 17 to 20 mph.

    Low: 74 °F

    Partly Cloudy
    and Breezy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 78. Breezy, with an east wind around 17 mph, with gusts as high as 21 mph.

    High: 78 °F

    Mostly Sunny
    and Breezy

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers after 2am. Mostly cloudy, with a low around 75. Breezy, with an east wind 18 to 20 mph.

    Low: 75 °F

    Breezy.
    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Thursday

    Thursday: A chance of showers, with thunderstorms also possible after 11am. Mostly cloudy, with a high near 79. Breezy, with an east wind around 20 mph, with gusts as high as 23 mph. Chance of precipitation is 40%.

    High: 79 °F

    Breezy.
    Chance
    Showers then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A 30 percent chance of showers and thunderstorms, mainly before 8pm. Mostly cloudy, with a low around 75. Windy, with an east wind around 24 mph.

    Low: 75 °F

    Chance
    T-storms and
    Windy

  • Friday

    Friday: Mostly sunny, with a high near 79. Windy, with an east wind 20 to 22 mph.

    High: 79 °F

    Mostly Sunny
    and Windy

  • Friday Night

    Friday Night: Partly cloudy, with a low around 75. Windy, with an east wind around 22 mph.

    Low: 75 °F

    Partly Cloudy
    and Windy

  • Saturday

    Saturday: A slight chance of showers, with thunderstorms also possible after 2pm. Mostly sunny, with a high near 79. Breezy, with an east wind around 18 mph. Chance of precipitation is 20%.

    High: 79 °F

    Breezy.
    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: A slight chance of thunderstorms before 8pm. Partly cloudy, with a low around 75. Breezy, with an east wind 14 to 18 mph. Chance of precipitation is 10%.

    Low: 75 °F

    Breezy.
    Slight Chance
    T-storms then
    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 74. Breezy, with an east wind 17 to 20 mph.
Wednesday
Mostly sunny, with a high near 78. Breezy, with an east wind around 17 mph, with gusts as high as 21 mph.
Wednesday Night
A 20 percent chance of showers after 2am. Mostly cloudy, with a low around 75. Breezy, with an east wind 18 to 20 mph.
Thursday
A chance of showers, with thunderstorms also possible after 11am. Mostly cloudy, with a high near 79. Breezy, with an east wind around 20 mph, with gusts as high as 23 mph. Chance of precipitation is 40%.
Thursday Night
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Mostly cloudy, with a low around 75. Windy, with an east wind around 24 mph.
Friday
Mostly sunny, with a high near 79. Windy, with an east wind 20 to 22 mph.
Friday Night
Partly cloudy, with a low around 75. Windy, with an east wind around 22 mph.
Saturday
A slight chance of showers, with thunderstorms also possible after 2pm. Mostly sunny, with a high near 79. Breezy, with an east wind around 18 mph. Chance of precipitation is 20%.
Saturday Night
A slight chance of thunderstorms before 8pm. Partly cloudy, with a low around 75. Breezy, with an east wind 14 to 18 mph. Chance of precipitation is 10%.
Sunday
A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 80.
Sunday Night
A 10 percent chance of showers and thunderstorms. Partly cloudy, with a low around 74.
Monday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 80.
Monday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 73.
Tuesday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 79.
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ABOUT THIS FORECAST

 
Point Forecast:
Key Biscayne FL
 25.69°N 80.17°W
Last Update:
4:32 pm EDT Mar 31, 2026
Forecast Valid:
9pm EDT Mar 31, 2026-6pm EDT Apr 7, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation