Current conditions at

Miami, Miami International Airport (KMIA)

Lat: 25.79°NLon: 80.32°WElev: 10ft.

Overcast

80°F

27°C

Humidity 67%
Wind Speed NE 10 G 21 mph
Barometer 30.03 in (1016.9 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 18 Oct 7:53 pm EDT
Extended Forecast for

Key Biscayne FL

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms, mainly before 11pm.  Partly cloudy, with a low around 79. Windy, with a northeast wind 26 to 29 mph.

    Low: 79 °F

    Chance
    T-storms and
    Windy

  • Monday

    Monday: Mostly sunny, with a high near 83. Windy, with a northeast wind 23 to 28 mph.

    High: 83 °F

    Mostly Sunny
    and Windy

  • Monday Night

    Monday Night: A slight chance of showers and thunderstorms, then a chance of showers after 11pm.  Partly cloudy, with a low around 77. Windy, with a northeast wind 23 to 25 mph, with gusts as high as 28 mph.  Chance of precipitation is 40%.

    Low: 77 °F

    Chance
    Showers and
    Windy

  • Tuesday

    Tuesday: A 10 percent chance of showers before 8am.  Sunny, with a high near 83. Windy, with a northeast wind around 22 mph, with gusts as high as 25 mph.

    High: 83 °F

    Windy. Slight
    Chance
    Showers then
    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 76. Windy, with a northeast wind 16 to 21 mph.

    Low: 76 °F

    Mostly Clear
    and Windy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 83. Breezy, with a northeast wind 15 to 17 mph, with gusts as high as 20 mph.

    High: 83 °F

    Mostly Sunny
    and Breezy

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers.  Mostly clear, with a low around 75. Breezy, with a northeast wind 15 to 17 mph.

    Low: 75 °F

    Slight Chance
    Showers and
    Breezy

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms, mainly after 2pm.  Sunny, with a high near 82. Breezy, with a northeast wind 14 to 16 mph, with gusts as high as 20 mph.

    High: 82 °F

    Chance
    T-storms and
    Breezy

  • Thursday Night

    Thursday Night: A 30 percent chance of showers and thunderstorms, mainly before 2am.  Partly cloudy, with a low around 74. Breezy, with a northeast wind 14 to 16 mph.

    Low: 74 °F

    Chance
    T-storms and
    Breezy then
    Chance
    Showers

Detailed Forecast

Tonight
A 40 percent chance of showers and thunderstorms, mainly before 11pm. Partly cloudy, with a low around 79. Windy, with a northeast wind 26 to 29 mph.
Monday
Mostly sunny, with a high near 83. Windy, with a northeast wind 23 to 28 mph.
Monday Night
A slight chance of showers and thunderstorms, then a chance of showers after 11pm. Partly cloudy, with a low around 77. Windy, with a northeast wind 23 to 25 mph, with gusts as high as 28 mph. Chance of precipitation is 40%.
Tuesday
A 10 percent chance of showers before 8am. Sunny, with a high near 83. Windy, with a northeast wind around 22 mph, with gusts as high as 25 mph.
Tuesday Night
Mostly clear, with a low around 76. Windy, with a northeast wind 16 to 21 mph.
Wednesday
Mostly sunny, with a high near 83. Breezy, with a northeast wind 15 to 17 mph, with gusts as high as 20 mph.
Wednesday Night
A 20 percent chance of showers. Mostly clear, with a low around 75. Breezy, with a northeast wind 15 to 17 mph.
Thursday
A 30 percent chance of showers and thunderstorms, mainly after 2pm. Sunny, with a high near 82. Breezy, with a northeast wind 14 to 16 mph, with gusts as high as 20 mph.
Thursday Night
A 30 percent chance of showers and thunderstorms, mainly before 2am. Partly cloudy, with a low around 74. Breezy, with a northeast wind 14 to 16 mph.
Friday
A chance of showers, with thunderstorms also possible after 2pm. Sunny, with a high near 82. Breezy. Chance of precipitation is 50%.
Friday Night
A 50 percent chance of showers and thunderstorms. Mostly clear, with a low around 75. Breezy.
Saturday
Showers and thunderstorms likely. Sunny, with a high near 82. Windy. Chance of precipitation is 60%.
Saturday Night
Showers and thunderstorms likely. Partly cloudy, with a low around 74. Windy. Chance of precipitation is 60%.
Sunday
Showers and thunderstorms likely. Mostly sunny, with a high near 81. Windy. Chance of precipitation is 60%.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Key Biscayne FL
 25.69°N 80.17°W
4:47 pm EDT Oct 18, 2026
8pm EDT Oct 18, 2026-6pm EDT Oct 25, 2026
 
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