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

80°F

27°C

Humidity 79%
Wind Speed SE 8 mph
Barometer 30.02 in (1016.5 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 22 May 6:53 am EDT
Extended Forecast for

Key Biscayne FL

  • Today

    Today: Partly sunny, with a high near 85. East wind 11 to 14 mph.

    High: 85 °F

    Partly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 82. Breezy, with an east wind around 16 mph.

    Low: 82 °F

    Partly Cloudy
    and Breezy

  • Saturday

    Saturday: A slight chance of showers between 10am and 11am, then a slight chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 85. East wind around 14 mph. Chance of precipitation is 20%.

    High: 85 °F

    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before 2am, then a slight chance of showers. Partly cloudy, with a low around 83. Breezy, with an east wind around 17 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

    Low: 83 °F

    Chance
    Showers and
    Breezy

  • Sunday

    Sunday: A slight chance of showers before 8am, then a slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 85. Breezy, with an east wind around 17 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.

    High: 85 °F

    Breezy.
    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Sunday Night

    Sunday Night: A slight chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am, then a slight chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 83. Windy, with an east wind around 21 mph. Chance of precipitation is 20%.

    Low: 83 °F

    Slight Chance
    T-storms and
    Windy

  • Memorial Day

    Memorial Day: A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 85. Windy, with an east wind 18 to 21 mph.

    High: 85 °F

    Slight Chance
    T-storms and
    Windy

  • Monday Night

    Monday Night: A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 83. Windy, with an east wind around 22 mph.

    Low: 83 °F

    Chance
    T-storms and
    Windy

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 85. Windy, with a southeast wind 18 to 21 mph.

    High: 85 °F

    Chance
    Showers and
    Windy then
    Chance
    T-storms and
    Breezy

Detailed Forecast

Today
Partly sunny, with a high near 85. East wind 11 to 14 mph.
Tonight
Partly cloudy, with a low around 82. Breezy, with an east wind around 16 mph.
Saturday
A slight chance of showers between 10am and 11am, then a slight chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 85. East wind around 14 mph. Chance of precipitation is 20%.
Saturday Night
A chance of showers and thunderstorms before 2am, then a slight chance of showers. Partly cloudy, with a low around 83. Breezy, with an east wind around 17 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Sunday
A slight chance of showers before 8am, then a slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 85. Breezy, with an east wind around 17 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.
Sunday Night
A slight chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am, then a slight chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 83. Windy, with an east wind around 21 mph. Chance of precipitation is 20%.
Memorial Day
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 85. Windy, with an east wind 18 to 21 mph.
Monday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 83. Windy, with an east wind around 22 mph.
Tuesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 85. Windy, with a southeast wind 18 to 21 mph.
Tuesday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 83. Breezy.
Wednesday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 84. Breezy.
Wednesday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 82.
Thursday
Showers and thunderstorms likely. Partly sunny, with a high near 84. Chance of precipitation is 60%.
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ABOUT THIS FORECAST

 
Point Forecast:
Key Biscayne FL
 25.69°N 80.17°W
Last Update:
4:31 am EDT May 22, 2026
Forecast Valid:
7am EDT May 22, 2026-6pm EDT May 28, 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