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.

Mostly Cloudy

75°F

24°C

Humidity 96%
Wind Speed Calm
Barometer 30.06 in (1017.9 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Last update 14 Jul 11:53 pm EDT
Extended Forecast for

Key Biscayne FL

  • Overnight

    Overnight: Showers and thunderstorms likely, mainly before 4am, then showers likely and possibly a thunderstorm after 5am. Mostly cloudy, with a low around 77. South wind around 7 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 77 °F

    Showers
    Likely

  • Tuesday

    Tuesday: Showers and thunderstorms before 11am, then showers and possibly a thunderstorm between 11am and 1pm, then showers and thunderstorms likely after 1pm. High near 84. South wind 9 to 11 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 84 °F

    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms before 2am, then showers likely and possibly a thunderstorm between 2am and 5am, then showers and thunderstorms likely after 5am. Partly cloudy, with a low around 81. Southeast wind 10 to 15 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 81 °F

    Chance
    T-storms then
    T-storms
    Likely

  • Wednesday

    Wednesday: Showers and thunderstorms likely before 8am, then showers likely and possibly a thunderstorm between 8am and 11am, then showers and thunderstorms likely after 11am. Partly sunny, with a high near 86. Breezy, with a southeast wind 14 to 17 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.

    High: 86 °F

    T-storms
    Likely and
    Breezy

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 83. Southeast wind 11 to 15 mph.

    Low: 83 °F

    Chance
    T-storms

  • Thursday

    Thursday: Showers likely and possibly a thunderstorm before 11am, then showers and thunderstorms likely, mainly between 11am and 2pm. Partly sunny, with a high near 87. Breezy, with a southeast wind 14 to 17 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.

    High: 87 °F

    T-storms
    Likely and
    Breezy

  • Thursday Night

    Thursday Night: A 30 percent chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 83. Breezy, with an east wind 11 to 16 mph.

    Low: 83 °F

    Chance
    T-storms then
    Mostly Cloudy
    and Breezy

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 87. Breezy, with an east wind 14 to 17 mph.

    High: 87 °F

    Chance
    T-storms and
    Breezy

  • Friday Night

    Friday Night: A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 83. East wind around 14 mph.

    Low: 83 °F

    Slight Chance
    T-storms

Detailed Forecast

Overnight
Showers and thunderstorms likely, mainly before 4am, then showers likely and possibly a thunderstorm after 5am. Mostly cloudy, with a low around 77. South wind around 7 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday
Showers and thunderstorms before 11am, then showers and possibly a thunderstorm between 11am and 1pm, then showers and thunderstorms likely after 1pm. High near 84. South wind 9 to 11 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
A chance of showers and thunderstorms before 2am, then showers likely and possibly a thunderstorm between 2am and 5am, then showers and thunderstorms likely after 5am. Partly cloudy, with a low around 81. Southeast wind 10 to 15 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
Showers and thunderstorms likely before 8am, then showers likely and possibly a thunderstorm between 8am and 11am, then showers and thunderstorms likely after 11am. Partly sunny, with a high near 86. Breezy, with a southeast wind 14 to 17 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.
Wednesday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 83. Southeast wind 11 to 15 mph.
Thursday
Showers likely and possibly a thunderstorm before 11am, then showers and thunderstorms likely, mainly between 11am and 2pm. Partly sunny, with a high near 87. Breezy, with a southeast wind 14 to 17 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Thursday Night
A 30 percent chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 83. Breezy, with an east wind 11 to 16 mph.
Friday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 87. Breezy, with an east wind 14 to 17 mph.
Friday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 83. East wind around 14 mph.
Saturday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 87.
Saturday Night
A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 82.
Sunday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 87.
Sunday Night
A 30 percent chance of showers and thunderstorms. Mostly clear, with a low around 82.
Monday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 87.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Key Biscayne FL
 25.69°N 80.17°W
Last Update:
11:31 pm EDT Jul 14, 2025
Forecast Valid:
12am EDT Jul 15, 2025-6pm EDT Jul 21, 2025
 
Forecast Discussion
 
Get as KML Get as XML

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