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

79°F

26°C

Humidity 69%
Wind Speed E 12 mph
Barometer 29.93 in (1013.4 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 4 May 6:53 pm EDT
Extended Forecast for

Key Biscayne FL

  • Tonight

    Tonight: Showers and thunderstorms likely before 4am, then a slight chance of showers and thunderstorms after 5am. Mostly cloudy, with a low around 76. East wind 8 to 13 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 76 °F

    Showers
    Likely then
    Chance
    T-storms

  • Tuesday

    Tuesday: A slight chance of showers and thunderstorms before 9am, then a slight chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 82. Southeast wind 6 to 8 mph. Chance of precipitation is 20%.

    High: 82 °F

    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A slight chance of showers and thunderstorms between 7pm and 8pm. Partly cloudy, with a low around 77. East wind 6 to 9 mph. Chance of precipitation is 10%.

    Low: 77 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 84. South wind 6 to 9 mph becoming southeast in the morning.

    High: 84 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 79. Southeast wind 8 to 10 mph.

    Low: 79 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 86. Southeast wind 7 to 9 mph.

    High: 86 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 78. Southwest wind 7 to 11 mph.

    Low: 78 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 86. Southwest wind 6 to 9 mph becoming south in the afternoon.

    High: 86 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 80. South wind 8 to 11 mph.

    Low: 80 °F

    Partly Cloudy

Detailed Forecast

Tonight
Showers and thunderstorms likely before 4am, then a slight chance of showers and thunderstorms after 5am. Mostly cloudy, with a low around 76. East wind 8 to 13 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday
A slight chance of showers and thunderstorms before 9am, then a slight chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 82. Southeast wind 6 to 8 mph. Chance of precipitation is 20%.
Tuesday Night
A slight chance of showers and thunderstorms between 7pm and 8pm. Partly cloudy, with a low around 77. East wind 6 to 9 mph. Chance of precipitation is 10%.
Wednesday
Mostly sunny, with a high near 84. South wind 6 to 9 mph becoming southeast in the morning.
Wednesday Night
Mostly clear, with a low around 79. Southeast wind 8 to 10 mph.
Thursday
Mostly sunny, with a high near 86. Southeast wind 7 to 9 mph.
Thursday Night
Mostly clear, with a low around 78. Southwest wind 7 to 11 mph.
Friday
Mostly sunny, with a high near 86. Southwest wind 6 to 9 mph becoming south in the afternoon.
Friday Night
Partly cloudy, with a low around 80. South wind 8 to 11 mph.
Saturday
A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 85.
Saturday Night
A 10 percent chance of showers and thunderstorms. Partly cloudy, with a low around 80.
Sunday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 85.
Sunday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 80.
Monday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 85.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Key Biscayne FL
 25.69°N 80.17°W
Last Update:
4:02 pm EDT May 4, 2026
Forecast Valid:
7pm EDT May 4, 2026-6pm EDT May 11, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation