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

Hazardous Weather Conditions

Current conditions at

Miami, Miami International Airport (KMIA)

Lat: 25.79°NLon: 80.32°WElev: 10ft.

Partly Cloudy

88°F

31°C

Humidity 66%
Wind Speed SE 14 G 17 mph
Barometer 29.98 in (1015.3 mb)
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index98°F (37°C)
Last update 4 Oct 3:53 pm EDT
Extended Forecast for

Key Biscayne FL

  • Tonight

    Tonight: Partly cloudy, with a low around 82. East wind 9 to 11 mph.

    Low: 82 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 87. Southeast wind around 9 mph.

    High: 87 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A 20 percent chance of showers and thunderstorms before 10pm. Increasing clouds, with a low around 80. Southeast wind 3 to 5 mph.

    Low: 80 °F

    Slight Chance
    T-storms then
    Mostly Cloudy

  • Tuesday

    Tuesday: A 50 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 87. South wind 5 to 7 mph.

    High: 87 °F

    Partly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 40 percent chance of showers and thunderstorms, mainly before 2am. Mostly cloudy, with a low around 79. Southwest wind 3 to 5 mph.

    Low: 79 °F

    Chance
    T-storms then
    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2pm. High near 87. South wind 6 to 8 mph. Chance of precipitation is 80%.

    High: 87 °F

    Chance
    T-storms then
    Showers

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms, mainly between 8pm and 2am. Low around 78. Southwest wind around 6 mph. Chance of precipitation is 80%.

    Low: 78 °F

    Showers then
    Chance
    T-storms

  • Thursday

    Thursday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Mostly sunny, with a high near 86. South wind around 6 mph. Chance of precipitation is 70%.

    High: 86 °F

    Chance
    T-storms then
    Showers
    Likely

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Mostly cloudy, with a low around 80. South wind around 5 mph. Chance of precipitation is 60%.

    Low: 80 °F

    Showers
    Likely then
    Chance
    T-storms

Detailed Forecast

Tonight
Partly cloudy, with a low around 82. East wind 9 to 11 mph.
Monday
Mostly sunny, with a high near 87. Southeast wind around 9 mph.
Monday Night
A 20 percent chance of showers and thunderstorms before 10pm. Increasing clouds, with a low around 80. Southeast wind 3 to 5 mph.
Tuesday
A 50 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 87. South wind 5 to 7 mph.
Tuesday Night
A 40 percent chance of showers and thunderstorms, mainly before 2am. Mostly cloudy, with a low around 79. Southwest wind 3 to 5 mph.
Wednesday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2pm. High near 87. South wind 6 to 8 mph. Chance of precipitation is 80%.
Wednesday Night
Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms, mainly between 8pm and 2am. Low around 78. Southwest wind around 6 mph. Chance of precipitation is 80%.
Thursday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Mostly sunny, with a high near 86. South wind around 6 mph. Chance of precipitation is 70%.
Thursday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Mostly cloudy, with a low around 80. South wind around 5 mph. Chance of precipitation is 60%.
Friday
A 30 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 87.
Friday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 81.
Saturday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 87. Breezy.
Saturday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 82. Breezy.
Sunday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 87. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
Key Biscayne FL
 25.69°N 80.17°W
Last Update:
4:02 pm EDT Oct 4, 2026
Forecast Valid:
4pm EDT Oct 4, 2026-6pm EDT Oct 11, 2026
 
Forecast Discussion
 
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Additional Resources

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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