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.

Thunderstorm

84°F

29°C

Humidity 63%
Wind Speed SW 10 G 18 mph
Barometer 30.11 in (1019.7 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index88°F (31°C)
Last update 13 Jul 12:53 pm EDT
Extended Forecast for

Key Biscayne FL

  • This Afternoon

    This Afternoon: Showers and thunderstorms likely, mainly after 5pm. Partly sunny, with a high near 88. South wind around 6 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 88 °F

    T-storms
    Likely

  • Tonight

    Tonight: Showers and thunderstorms, mainly before 3am. Low around 79. South wind around 7 mph becoming northwest after midnight. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 79 °F

    T-storms then
    Chance
    T-storms

  • Monday

    Monday: Showers and thunderstorms, mainly before 5pm, then showers and possibly a thunderstorm after 5pm. High near 85. West wind around 7 mph becoming south in the afternoon. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 85 °F

    T-storms

  • Monday Night

    Monday Night: Showers and thunderstorms likely before 11pm, then showers likely and possibly a thunderstorm after 11pm. Mostly cloudy, with a low around 78. South wind around 8 mph. Chance of precipitation is 60%.

    Low: 78 °F

    T-storms
    Likely then
    Showers
    Likely

  • Tuesday

    Tuesday: Showers and possibly a thunderstorm before 11am, then showers and thunderstorms, mainly after 11am. High near 84. South wind 9 to 11 mph. Chance of precipitation is 80%.

    High: 84 °F

    T-storms

  • Tuesday Night

    Tuesday Night: Showers and thunderstorms likely, mainly after 2am. Mostly cloudy, with a low around 80. Southeast wind 10 to 13 mph. Chance of precipitation is 60%.

    Low: 80 °F

    T-storms
    Likely

  • Wednesday

    Wednesday: Showers and thunderstorms likely, mainly before 2pm. Partly sunny, with a high near 85. Southeast wind 13 to 15 mph. Chance of precipitation is 70%.

    High: 85 °F

    T-storms
    Likely

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 82. Southeast wind 10 to 14 mph.

    Low: 82 °F

    Chance
    T-storms

  • Thursday

    Thursday: A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86. Southeast wind 13 to 15 mph, with gusts as high as 18 mph.

    High: 86 °F

    Chance
    T-storms

Detailed Forecast

This Afternoon
Showers and thunderstorms likely, mainly after 5pm. Partly sunny, with a high near 88. South wind around 6 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms, mainly before 3am. Low around 79. South wind around 7 mph becoming northwest after midnight. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
Showers and thunderstorms, mainly before 5pm, then showers and possibly a thunderstorm after 5pm. High near 85. West wind around 7 mph becoming south in the afternoon. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Monday Night
Showers and thunderstorms likely before 11pm, then showers likely and possibly a thunderstorm after 11pm. Mostly cloudy, with a low around 78. South wind around 8 mph. Chance of precipitation is 60%.
Tuesday
Showers and possibly a thunderstorm before 11am, then showers and thunderstorms, mainly after 11am. High near 84. South wind 9 to 11 mph. Chance of precipitation is 80%.
Tuesday Night
Showers and thunderstorms likely, mainly after 2am. Mostly cloudy, with a low around 80. Southeast wind 10 to 13 mph. Chance of precipitation is 60%.
Wednesday
Showers and thunderstorms likely, mainly before 2pm. Partly sunny, with a high near 85. Southeast wind 13 to 15 mph. Chance of precipitation is 70%.
Wednesday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 82. Southeast wind 10 to 14 mph.
Thursday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86. Southeast wind 13 to 15 mph, with gusts as high as 18 mph.
Thursday Night
A 30 percent chance of showers and thunderstorms, mainly after 2am. Partly cloudy, with a low around 83.
Friday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 87. Breezy.
Friday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 83.
Saturday
A 40 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:
12:41 pm EDT Jul 13, 2025
Forecast Valid:
1pm EDT Jul 13, 2025-6pm EDT Jul 19, 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