Current conditions at

Miami, Miami International Airport (KMIA)

Lat: 25.79°NLon: 80.32°WElev: 10ft.

Mostly Cloudy

84°F

29°C

Humidity 72%
Wind Speed E 14 mph
Barometer 30.03 in (1016.7 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index91°F (33°C)
Last update 23 May 6:53 pm EDT
Extended Forecast for

Key Biscayne FL

  • Tonight

    Tonight: A slight chance of showers and thunderstorms between 11pm and midnight.  Partly cloudy, with a low around 82. Breezy, with an east wind 15 to 18 mph.  Chance of precipitation is 20%.

    Low: 82 °F

    Breezy.
    Slight Chance
    T-storms then
    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 85. Breezy, with an east wind around 17 mph, with gusts as high as 21 mph.

    High: 85 °F

    Sunny and
    Breezy

  • Sunday Night

    Sunday Night: A slight chance of showers and thunderstorms before 11pm, then a slight chance of showers and thunderstorms after 2am.  Partly cloudy, with a low around 82. Windy, with an east wind 18 to 21 mph.  Chance of precipitation is 20%.

    Low: 82 °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 86. Windy, with an east wind 18 to 21 mph.

    High: 86 °F

    Slight Chance
    T-storms and
    Windy

  • Monday Night

    Monday Night: A 20 percent chance of showers and thunderstorms.  Partly cloudy, with a low around 82. Windy, with an east wind 20 to 22 mph.

    Low: 82 °F

    Slight Chance
    T-storms and
    Windy

  • Tuesday

    Tuesday: A 20 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

    Slight Chance
    T-storms and
    Windy

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 82. Breezy, with a southeast wind 17 to 20 mph.

    Low: 82 °F

    Chance
    T-storms and
    Breezy

  • Wednesday

    Wednesday: A 50 percent chance of showers and thunderstorms.  Mostly cloudy, with a high near 84. Breezy, with a southeast wind 15 to 17 mph, with gusts as high as 20 mph.

    High: 84 °F

    Chance
    T-storms and
    Breezy

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2am.  Mostly cloudy, with a low around 79. Southeast wind around 14 mph.  Chance of precipitation is 60%.

    Low: 79 °F

    Chance
    T-storms then
    Showers
    Likely

Detailed Forecast

Tonight
A slight chance of showers and thunderstorms between 11pm and midnight. Partly cloudy, with a low around 82. Breezy, with an east wind 15 to 18 mph. Chance of precipitation is 20%.
Sunday
Sunny, with a high near 85. Breezy, with an east wind around 17 mph, with gusts as high as 21 mph.
Sunday Night
A slight chance of showers and thunderstorms before 11pm, then a slight chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 82. Windy, with an east wind 18 to 21 mph. Chance of precipitation is 20%.
Memorial Day
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86. Windy, with an east wind 18 to 21 mph.
Monday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 82. Windy, with an east wind 20 to 22 mph.
Tuesday
A 20 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 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 82. Breezy, with a southeast wind 17 to 20 mph.
Wednesday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 84. Breezy, with a southeast wind 15 to 17 mph, with gusts as high as 20 mph.
Wednesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 79. Southeast wind around 14 mph. Chance of precipitation is 60%.
Thursday
Showers likely and possibly a thunderstorm before 8am, then showers and thunderstorms likely, mainly after 2pm. Mostly cloudy, with a high near 84. Chance of precipitation is 70%.
Thursday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 81. Chance of precipitation is 60%.
Friday
Showers and thunderstorms likely. Partly sunny, with a high near 85. Chance of precipitation is 70%.
Friday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 81. Chance of precipitation is 60%.
Saturday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 84. Chance of precipitation is 70%.
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ABOUT THIS FORECAST

 
Point Forecast:
Key Biscayne FL
 25.69°N 80.17°W
4:01 pm EDT May 23, 2026
7pm EDT May 23, 2026-6pm EDT May 30, 2026
 
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Additional Resources

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Hourly Weather Forecast

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