National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Miami, Miami International Airport (KMIA)

Lat: 25.79°NLon: 80.32°WElev: 10ft.

A Few Clouds

75°F

24°C

Humidity 88%
Wind Speed S 7 mph
Barometer 29.92 in (1013.1 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Last update 16 Mar 6:53 am EDT
Extended Forecast for

Key Biscayne FL

  • Today

    Today: A 50 percent chance of showers and thunderstorms, mainly after 5pm. Mostly sunny, with a high near 82. Breezy, with a south wind 18 to 20 mph, with gusts as high as 24 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 82 °F

    Chance
    T-storms and
    Breezy

  • Tonight

    Tonight: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 3am. Low around 68. Southwest wind around 14 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 68 °F

    Chance
    T-storms then
    T-storms

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms. Cloudy, with a temperature falling to around 66 by 5pm. Breezy, with a north wind 15 to 18 mph, with gusts as high as 22 mph.

    High: 72 °F⇓

    Chance
    T-storms and
    Breezy

  • Tuesday Night

    Tuesday Night: A chance of showers, with thunderstorms also possible after 11pm. Cloudy, with a low around 65. Windy, with a north wind 22 to 24 mph. Chance of precipitation is 40%.

    Low: 65 °F

    Chance
    Showers and
    Windy

  • Wednesday

    Wednesday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Cloudy, with a high near 73. Windy, with a northeast wind 17 to 22 mph. Chance of precipitation is 60%.

    High: 73 °F

    Showers
    Likely and
    Windy

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm before 2am, then a chance of showers. Cloudy, with a low around 70. Windy, with a northeast wind 23 to 25 mph. Chance of precipitation is 60%.

    Low: 70 °F

    Showers
    Likely and
    Windy

  • Thursday

    Thursday: A 40 percent chance of showers. Mostly cloudy, with a high near 74. Windy, with a northeast wind 21 to 23 mph.

    High: 74 °F

    Chance
    Showers and
    Windy

  • Thursday Night

    Thursday Night: A 30 percent chance of showers, mainly before 2am. Partly cloudy, with a low around 68. Windy, with a north wind 18 to 23 mph.

    Low: 68 °F

    Chance
    Showers and
    Windy

  • Friday

    Friday: A 20 percent chance of showers. Mostly sunny, with a high near 75. Windy, with a north wind 16 to 21 mph.

    High: 75 °F

    Slight Chance
    Showers and
    Windy

Detailed Forecast

Today
A 50 percent chance of showers and thunderstorms, mainly after 5pm. Mostly sunny, with a high near 82. Breezy, with a south wind 18 to 20 mph, with gusts as high as 24 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 3am. Low around 68. Southwest wind around 14 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Tuesday
A 40 percent chance of showers and thunderstorms. Cloudy, with a temperature falling to around 66 by 5pm. Breezy, with a north wind 15 to 18 mph, with gusts as high as 22 mph.
Tuesday Night
A chance of showers, with thunderstorms also possible after 11pm. Cloudy, with a low around 65. Windy, with a north wind 22 to 24 mph. Chance of precipitation is 40%.
Wednesday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Cloudy, with a high near 73. Windy, with a northeast wind 17 to 22 mph. Chance of precipitation is 60%.
Wednesday Night
Showers likely and possibly a thunderstorm before 2am, then a chance of showers. Cloudy, with a low around 70. Windy, with a northeast wind 23 to 25 mph. Chance of precipitation is 60%.
Thursday
A 40 percent chance of showers. Mostly cloudy, with a high near 74. Windy, with a northeast wind 21 to 23 mph.
Thursday Night
A 30 percent chance of showers, mainly before 2am. Partly cloudy, with a low around 68. Windy, with a north wind 18 to 23 mph.
Friday
A 20 percent chance of showers. Mostly sunny, with a high near 75. Windy, with a north wind 16 to 21 mph.
Friday Night
Partly cloudy, with a low around 67. Breezy.
Saturday
Sunny, with a high near 76.
Saturday Night
Mostly clear, with a low around 68.
Sunday
Sunny, with a high near 78.
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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:
4:36 am EDT Mar 16, 2026
Forecast Valid:
7am EDT Mar 16, 2026-6pm EDT Mar 22, 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