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.

Partly Cloudy

82°F

28°C

Humidity 77%
Wind Speed E 6 mph
Barometer 30.09 in (1018.8 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index88°F (31°C)
Last update 18 Jun 2:53 am EDT
Extended Forecast for

Key Biscayne FL

  • Overnight

    Overnight: A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 82. Southeast wind around 14 mph.

    Low: 82 °F

    Slight Chance
    T-storms

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 87. East wind around 15 mph, with gusts as high as 20 mph.

    High: 87 °F

    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 82. Southeast wind around 14 mph.

    Low: 82 °F

    Slight Chance
    T-storms

  • Juneteenth

    Juneteenth: A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86. Southeast wind around 13 mph.

    High: 86 °F

    Chance
    T-storms

  • Thursday Night

    Thursday Night: A slight chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 5am, then a slight chance of showers and thunderstorms after 5am. Partly cloudy, with a low around 82. East wind around 10 mph. Chance of precipitation is 20%.

    Low: 82 °F

    Slight Chance
    T-storms

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86. East wind 8 to 10 mph.

    High: 86 °F

    Chance
    T-storms

  • Friday Night

    Friday Night: A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 82. East wind around 10 mph.

    Low: 82 °F

    Slight Chance
    T-storms

  • Saturday

    Saturday: A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86. East wind 10 to 13 mph.

    High: 86 °F

    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 82. East wind around 14 mph.

    Low: 82 °F

    Chance
    T-storms

Detailed Forecast

Overnight
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 82. Southeast wind around 14 mph.
Wednesday
A 30 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 87. East wind around 15 mph, with gusts as high as 20 mph.
Wednesday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 82. Southeast wind around 14 mph.
Juneteenth
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86. Southeast wind around 13 mph.
Thursday Night
A slight chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 5am, then a slight chance of showers and thunderstorms after 5am. Partly cloudy, with a low around 82. East wind around 10 mph. Chance of precipitation is 20%.
Friday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86. East wind 8 to 10 mph.
Friday Night
A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 82. East wind around 10 mph.
Saturday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86. East wind 10 to 13 mph.
Saturday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 82. East wind around 14 mph.
Sunday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86.
Sunday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 83. Breezy.
Monday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86. Breezy.
Monday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 82. Breezy.
Tuesday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86.
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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:
3:06 am EDT Jun 18, 2025
Forecast Valid:
3am EDT Jun 18, 2025-6pm EDT Jun 24, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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