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

84°F

29°C

Humidity 67%
Wind Speed E 15 G 26 mph
Barometer 30.06 in (1017.9 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index90°F (32°C)
Last update 19 May 5:53 pm EDT
Extended Forecast for

Key Biscayne FL

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly between 8pm and midnight. Mostly cloudy, with a low around 81. Breezy, with an east wind 16 to 18 mph, with gusts as high as 21 mph.

    Low: 81 °F

    Chance
    T-storms and
    Breezy

  • Wednesday

    Wednesday: A chance of showers before 11am, then a slight chance of showers and thunderstorms between 11am and 3pm. Mostly sunny, with a high near 84. East wind around 14 mph. Chance of precipitation is 30%.

    High: 84 °F

    Chance
    Showers then
    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers between 1am and 2am. Mostly cloudy, with a low around 82. Breezy, with an east wind 13 to 16 mph.

    Low: 82 °F

    Slight Chance
    Showers and
    Breezy

  • Thursday

    Thursday: Mostly cloudy, with a high near 85. East wind 11 to 14 mph.

    High: 85 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: A 20 percent chance of showers before 2am. Partly cloudy, with a low around 82. Breezy, with an east wind 14 to 16 mph.

    Low: 82 °F

    Slight Chance
    Showers and
    Breezy

  • Friday

    Friday: A slight chance of showers between 8am and 11am, then a slight chance of showers and thunderstorms after 11am. Sunny, with a high near 85. East wind 11 to 13 mph. Chance of precipitation is 20%.

    High: 85 °F

    Slight Chance
    T-storms

  • Friday Night

    Friday Night: A slight chance of showers and thunderstorms. Partly cloudy, with a low around 82. East wind 13 to 15 mph. Chance of precipitation is 20%.

    Low: 82 °F

    Slight Chance
    T-storms

  • Saturday

    Saturday: A slight chance of showers, with thunderstorms also possible after 8am. 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 30 percent chance of showers and thunderstorms, mainly before 2am. Partly cloudy, with a low around 83. Breezy, with an east wind around 16 mph.

    Low: 83 °F

    Chance
    Showers and
    Breezy

Detailed Forecast

Tonight
A 30 percent chance of showers and thunderstorms, mainly between 8pm and midnight. Mostly cloudy, with a low around 81. Breezy, with an east wind 16 to 18 mph, with gusts as high as 21 mph.
Wednesday
A chance of showers before 11am, then a slight chance of showers and thunderstorms between 11am and 3pm. Mostly sunny, with a high near 84. East wind around 14 mph. Chance of precipitation is 30%.
Wednesday Night
A 20 percent chance of showers between 1am and 2am. Mostly cloudy, with a low around 82. Breezy, with an east wind 13 to 16 mph.
Thursday
Mostly cloudy, with a high near 85. East wind 11 to 14 mph.
Thursday Night
A 20 percent chance of showers before 2am. Partly cloudy, with a low around 82. Breezy, with an east wind 14 to 16 mph.
Friday
A slight chance of showers between 8am and 11am, then a slight chance of showers and thunderstorms after 11am. Sunny, with a high near 85. East wind 11 to 13 mph. Chance of precipitation is 20%.
Friday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 82. East wind 13 to 15 mph. Chance of precipitation is 20%.
Saturday
A slight chance of showers, with thunderstorms also possible after 8am. Sunny, with a high near 85. East wind around 14 mph. Chance of precipitation is 20%.
Saturday Night
A 30 percent chance of showers and thunderstorms, mainly before 2am. Partly cloudy, with a low around 83. Breezy, with an east wind around 16 mph.
Sunday
A 30 percent chance of showers and thunderstorms, mainly after 2pm. Sunny, with a high near 85. Breezy.
Sunday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 83. Breezy.
Memorial Day
A 30 percent chance of showers and thunderstorms. Sunny, with a high near 85. Breezy.
Monday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 83. Breezy.
Tuesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 85. Breezy.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Key Biscayne FL
 25.69°N 80.17°W
Last Update:
4:31 pm EDT May 19, 2026
Forecast Valid:
6pm EDT May 19, 2026-6pm EDT May 26, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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