Current conditions at

Miami, Miami International Airport (KMIA)

Lat: 25.79°NLon: 80.32°WElev: 10ft.

Thunderstorm

81°F

27°C

Humidity 69%
Wind Speed W 7 mph
Barometer 30.03 in (1016.9 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 4 Aug 3:53 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 9 mph.  Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 88 °F

    T-storms
    Likely

  • Tonight

    Tonight: Scattered showers and thunderstorms before 11pm, then isolated showers and thunderstorms after 2am.  Mostly cloudy, with a low around 82. West wind 7 to 10 mph becoming east after midnight.  Chance of precipitation is 40%.

    Low: 82 °F

    Scattered
    T-storms

  • Wednesday

    Wednesday: Showers and thunderstorms likely before 1pm, then showers likely and possibly a thunderstorm between 1pm and 2pm, then scattered showers and thunderstorms after 2pm.  Partly sunny, with a high near 87. Heat index values as high as 101. East wind 9 to 11 mph.  Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 87 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Scattered showers and thunderstorms.  Partly cloudy, with a low around 82. Breezy, with an east wind 14 to 17 mph.  Chance of precipitation is 50%.

    Low: 82 °F

    Scattered
    T-storms and
    Breezy

  • Thursday

    Thursday: Showers and thunderstorms likely.  Mostly sunny, with a high near 87. East wind around 15 mph, with gusts as high as 20 mph.  Chance of precipitation is 70%.

    High: 87 °F

    T-storms
    Likely

  • Thursday Night

    Thursday Night: Showers and thunderstorms likely.  Mostly cloudy, with a low around 82. Breezy, with an east wind around 17 mph, with gusts as high as 20 mph.  Chance of precipitation is 60%.

    Low: 82 °F

    T-storms
    Likely and
    Breezy

  • Friday

    Friday: Showers and thunderstorms likely, mainly before 2pm.  Partly sunny, with a high near 87. Southeast wind around 14 mph.  Chance of precipitation is 70%.

    High: 87 °F

    T-storms
    Likely

  • Friday Night

    Friday Night: Scattered showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am, then a chance of showers and thunderstorms after 2am.  Mostly cloudy, with a low around 83. Breezy, with an east wind 13 to 16 mph.  Chance of precipitation is 40%.

    Low: 83 °F

    Chance
    T-storms and
    Breezy

  • Saturday

    Saturday: A chance of showers and thunderstorms.  Mostly sunny, with a high near 88. Southeast wind 11 to 13 mph.  Chance of precipitation is 30%.

    High: 88 °F

    Chance
    T-storms then
    Chance
    Showers

Detailed Forecast

This Afternoon
Showers and thunderstorms likely, mainly after 5pm. Partly sunny, with a high near 88. South wind around 9 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Scattered showers and thunderstorms before 11pm, then isolated showers and thunderstorms after 2am. Mostly cloudy, with a low around 82. West wind 7 to 10 mph becoming east after midnight. Chance of precipitation is 40%.
Wednesday
Showers and thunderstorms likely before 1pm, then showers likely and possibly a thunderstorm between 1pm and 2pm, then scattered showers and thunderstorms after 2pm. Partly sunny, with a high near 87. Heat index values as high as 101. East wind 9 to 11 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Scattered showers and thunderstorms. Partly cloudy, with a low around 82. Breezy, with an east wind 14 to 17 mph. Chance of precipitation is 50%.
Thursday
Showers and thunderstorms likely. Mostly sunny, with a high near 87. East wind around 15 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.
Thursday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 82. Breezy, with an east wind around 17 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Friday
Showers and thunderstorms likely, mainly before 2pm. Partly sunny, with a high near 87. Southeast wind around 14 mph. Chance of precipitation is 70%.
Friday Night
Scattered showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am, then a chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 83. Breezy, with an east wind 13 to 16 mph. Chance of precipitation is 40%.
Saturday
A chance of showers and thunderstorms. Mostly sunny, with a high near 88. Southeast wind 11 to 13 mph. Chance of precipitation is 30%.
Saturday Night
A 20 percent chance of showers before 2am. Partly cloudy, with a low around 83.
Sunday
A 20 percent chance of showers. Mostly sunny, with a high near 88.
Sunday Night
A 20 percent chance of showers. Partly cloudy, with a low around 84. Breezy.
Monday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89.
Monday Night
A slight chance of thunderstorms. Partly cloudy, with a low around 84. Chance of precipitation is 10%.
Tuesday
Sunny, with a high near 89.
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ABOUT THIS FORECAST

 
Point Forecast:
Key Biscayne FL
 25.69°N 80.17°W
4:01 pm EDT Aug 4, 2026
4pm EDT Aug 4, 2026-6pm EDT Aug 11, 2026
 
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