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

93°F

34°C

Humidity 62%
Wind Speed S 9 G 22 mph
Barometer 29.97 in (1014.8 mb)
Dewpoint 78°F (26°C)
Visibility 10.00 mi
Heat Index109°F (43°C)
Last update 18 May 12:53 pm EDT
Extended Forecast for

Key Biscayne FL

Heat Advisory until May 18, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory until May 18, 08:00pm

    NOW until 8:00pm Sat

    Heat Advisory

  • This Afternoon

    High: 89 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: A slight chance of showers and thunderstorms before 8pm, then a slight chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 84. South wind 11 to 13 mph. Chance of precipitation is 10%.

    Low: 84 °F

    Slight Chance
    T-storms

  • Sunday

    Sunday: Showers and thunderstorms likely, mainly after 2pm. Mostly sunny, with a high near 90. Heat index values as high as 105. South wind 11 to 13 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 90 °F

    Slight Chance
    T-storms then
    T-storms
    Likely

  • Sunday Night

    Sunday Night: A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 79. Southwest wind 8 to 10 mph.

    Low: 79 °F

    Chance
    T-storms

  • Monday

    Monday: Showers likely and possibly a thunderstorm. Mostly sunny, with a high near 89. West wind 7 to 9 mph becoming south in the afternoon. Chance of precipitation is 70%.

    High: 89 °F

    Showers
    Likely

  • Monday Night

    Monday Night: Showers and thunderstorms likely before 11pm, then showers likely and possibly a thunderstorm between 11pm and 2am, then a chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 78. North wind around 8 mph. Chance of precipitation is 60%.

    Low: 78 °F

    T-storms
    Likely then
    Showers
    Likely

  • Tuesday

    Tuesday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Sunny, with a high near 85. North wind 6 to 8 mph becoming east in the afternoon. Chance of precipitation is 60%.

    High: 85 °F

    Chance
    T-storms then
    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm before 2am, then a chance of showers and thunderstorms after 2am. Mostly clear, with a low around 79. East wind around 9 mph. Chance of precipitation is 60%.

    Low: 79 °F

    Showers
    Likely

Detailed Forecast

This Afternoon
A 10 percent chance of showers and thunderstorms after 4pm. Sunny, with a high near 89. Heat index values as high as 108. South wind around 15 mph, with gusts as high as 20 mph.
Tonight
A slight chance of showers and thunderstorms before 8pm, then a slight chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 84. South wind 11 to 13 mph. Chance of precipitation is 10%.
Sunday
Showers and thunderstorms likely, mainly after 2pm. Mostly sunny, with a high near 90. Heat index values as high as 105. South wind 11 to 13 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 79. Southwest wind 8 to 10 mph.
Monday
Showers likely and possibly a thunderstorm. Mostly sunny, with a high near 89. West wind 7 to 9 mph becoming south in the afternoon. Chance of precipitation is 70%.
Monday Night
Showers and thunderstorms likely before 11pm, then showers likely and possibly a thunderstorm between 11pm and 2am, then a chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 78. North wind around 8 mph. Chance of precipitation is 60%.
Tuesday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Sunny, with a high near 85. North wind 6 to 8 mph becoming east in the afternoon. Chance of precipitation is 60%.
Tuesday Night
Showers likely and possibly a thunderstorm before 2am, then a chance of showers and thunderstorms after 2am. Mostly clear, with a low around 79. East wind around 9 mph. Chance of precipitation is 60%.
Wednesday
A 50 percent chance of showers and thunderstorms. Sunny, with a high near 85. East wind 6 to 9 mph.
Wednesday Night
A 40 percent chance of showers and thunderstorms, mainly before 2am. Mostly clear, with a low around 80.
Thursday
A 40 percent chance of showers and thunderstorms. Sunny, with a high near 86.
Thursday Night
A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 81.
Friday
A 30 percent chance of showers and thunderstorms. Sunny, with a high near 87.
Click Map For Forecast
Disclaimer
Map Legend

ABOUT THIS FORECAST

 
Point Forecast:
Key Biscayne FL
 25.71°N 80.17°W
Last Update:
1:02 pm EDT May 18, 2024
Forecast Valid:
1pm EDT May 18, 2024-6pm EDT May 24, 2024
 
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