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

87°F

31°C

Humidity 67%
Wind Speed E 8 mph
Barometer 30.12 in (1019.9 mb)
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index96°F (36°C)
Last update 18 Jul 6:53 pm EDT
Extended Forecast for

Key Biscayne FL

  • Tonight

    Tonight: Mostly clear, with a low around 85. Breezy, with an east wind 14 to 16 mph, with gusts as high as 21 mph.

    Low: 85 °F

    Mostly Clear
    and Breezy
    then Mostly
    Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 88. Heat index values as high as 100. East wind 11 to 14 mph, with gusts as high as 18 mph.

    High: 88 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 82. East wind 10 to 13 mph.

    Low: 82 °F

    Mostly Clear

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 88. East wind around 10 mph.

    High: 88 °F

    Sunny then
    Slight Chance
    T-storms

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 82. East wind 8 to 10 mph.

    Low: 82 °F

    Mostly Clear

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 89. East wind 6 to 8 mph.

    High: 89 °F

    Sunny then
    Slight Chance
    T-storms

  • Monday Night

    Monday Night: A 10 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 82. Southeast wind 7 to 10 mph.

    Low: 82 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 88. Southeast wind 6 to 8 mph.

    High: 88 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 82. Southeast wind around 9 mph.

    Low: 82 °F

    Chance
    T-storms

Detailed Forecast

Tonight
Mostly clear, with a low around 85. Breezy, with an east wind 14 to 16 mph, with gusts as high as 21 mph.
Saturday
Mostly sunny, with a high near 88. Heat index values as high as 100. East wind 11 to 14 mph, with gusts as high as 18 mph.
Saturday Night
Mostly clear, with a low around 82. East wind 10 to 13 mph.
Sunday
A 20 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 88. East wind around 10 mph.
Sunday Night
Mostly clear, with a low around 82. East wind 8 to 10 mph.
Monday
A 20 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 89. East wind 6 to 8 mph.
Monday Night
A 10 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 82. Southeast wind 7 to 10 mph.
Tuesday
A 40 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 88. Southeast wind 6 to 8 mph.
Tuesday Night
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 82. Southeast wind around 9 mph.
Wednesday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 87.
Wednesday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 82.
Thursday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88.
Thursday Night
A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 82.
Friday
A 30 percent chance of showers and thunderstorms. Sunny, with a high near 88.
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ABOUT THIS FORECAST

 
Point Forecast:
Key Biscayne FL
 25.69°N 80.17°W
Last Update:
3:21 pm EDT Jul 18, 2025
Forecast Valid:
7pm EDT Jul 18, 2025-6pm EDT Jul 25, 2025
 
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Additional Resources

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