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 85%
Wind Speed E 9 mph
Barometer 30.06 in (1017.9 mb)
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 24 May 9:53 pm EDT
Extended Forecast for

Key Biscayne FL

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly between 1am and 2am. Partly cloudy, with a low around 81. Windy, with an east wind around 21 mph.

    Low: 81 °F

    Chance
    Showers and
    Windy

  • Memorial Day

    Memorial Day: Mostly sunny, with a high near 85. Windy, with an east wind 18 to 21 mph.

    High: 85 °F

    Mostly Sunny
    and Windy

  • Monday Night

    Monday Night: A slight chance of showers and thunderstorms between 9pm and 11pm. Mostly clear, with a low around 82. Windy, with an east wind around 21 mph. Chance of precipitation is 20%.

    Low: 82 °F

    Windy. Slight
    Chance
    T-storms then
    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 86. Windy, with a southeast wind 17 to 22 mph.

    High: 86 °F

    Mostly Sunny
    and Windy

  • Tuesday Night

    Tuesday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 82. Breezy, with an east wind 16 to 20 mph.

    Low: 82 °F

    Chance
    Showers and
    Breezy

  • Wednesday

    Wednesday: A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 85. Breezy, with a southeast wind 16 to 18 mph, with gusts as high as 21 mph.

    High: 85 °F

    Chance
    T-storms and
    Breezy

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 81. Southeast wind around 14 mph. Chance of precipitation is 60%.

    Low: 81 °F

    Showers
    Likely

  • Thursday

    Thursday: Showers and thunderstorms likely, mainly after 2pm. Mostly cloudy, with a high near 84. Southeast wind around 11 mph. Chance of precipitation is 60%.

    High: 84 °F

    T-storms
    Likely

  • Thursday Night

    Thursday Night: Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 80. Southeast wind 7 to 9 mph. Chance of precipitation is 60%.

    Low: 80 °F

    T-storms
    Likely then
    Chance
    T-storms

Detailed Forecast

Tonight
A 30 percent chance of showers and thunderstorms, mainly between 1am and 2am. Partly cloudy, with a low around 81. Windy, with an east wind around 21 mph.
Memorial Day
Mostly sunny, with a high near 85. Windy, with an east wind 18 to 21 mph.
Monday Night
A slight chance of showers and thunderstorms between 9pm and 11pm. Mostly clear, with a low around 82. Windy, with an east wind around 21 mph. Chance of precipitation is 20%.
Tuesday
Mostly sunny, with a high near 86. Windy, with a southeast wind 17 to 22 mph.
Tuesday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 82. Breezy, with an east wind 16 to 20 mph.
Wednesday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 85. Breezy, with a southeast wind 16 to 18 mph, with gusts as high as 21 mph.
Wednesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 81. Southeast wind around 14 mph. Chance of precipitation is 60%.
Thursday
Showers and thunderstorms likely, mainly after 2pm. Mostly cloudy, with a high near 84. Southeast wind around 11 mph. Chance of precipitation is 60%.
Thursday Night
Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 80. Southeast wind 7 to 9 mph. Chance of precipitation is 60%.
Friday
A 50 percent chance of showers and thunderstorms, mainly after 8am. Partly sunny, with a high near 84.
Friday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 81.
Saturday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 85.
Saturday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 81.
Sunday
Showers likely and possibly a thunderstorm. Mostly cloudy, 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:
4:02 pm EDT May 24, 2026
Forecast Valid:
10pm EDT May 24, 2026-6pm EDT May 31, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation