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.

Mostly Cloudy

29°C

84°F

Humidity 80%
Wind Speed SE 7 km/h
Barometer 1019.5 mb (30.11 in)
Dewpoint 25°C (77°F)
Visibility 16 km
Heat Index34°C (94°F)
Last update 12 Jul 9:53 pm EDT
Extended Forecast for

Key Biscayne FL

  • Tonight

    Tonight: A slight chance of showers before 11pm, then a slight chance of showers and thunderstorms after 3am. Partly cloudy, with a low around 26. Southeast wind around 11 km/h. Chance of precipitation is 20%.

    Low: 26 °C

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Sunday

    Sunday: A 40 percent chance of showers and thunderstorms, mainly after 9am. Mostly sunny, with a high near 31. Heat index values as high as 38. Northeast wind 8 to 13 km/h becoming light and variable in the afternoon.

    High: 31 °C

    Chance
    T-storms

  • Sunday Night

    Sunday Night: Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 26. Southwest wind around 11 km/h. Chance of precipitation is 60%. New rainfall amounts between 2.5 and 5 mm possible.

    Low: 26 °C

    T-storms
    Likely

  • Monday

    Monday: Showers likely and possibly a thunderstorm before 8am, then showers and thunderstorms likely between 8am and 5pm, then showers and possibly a thunderstorm after 5pm. High near 30. Southwest wind 10 to 13 km/h. Chance of precipitation is 80%.

    High: 30 °C

    T-storms

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms after 8pm. Low around 25. Southwest wind 10 to 13 km/h. Chance of precipitation is 80%.

    Low: 25 °C

    Showers then
    Chance
    T-storms

  • Tuesday

    Tuesday: Showers likely and possibly a thunderstorm before 11am, then showers and thunderstorms likely after 11am. Mostly cloudy, with a high near 29. South wind 13 to 21 km/h. Chance of precipitation is 70%.

    High: 29 °C

    T-storms
    Likely

  • Tuesday Night

    Tuesday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 27. Southeast wind 16 to 23 km/h, with gusts as high as 29 km/h.

    Low: 27 °C

    Chance
    T-storms

  • Wednesday

    Wednesday: Showers and thunderstorms likely. Partly sunny, with a high near 29. Breezy, with a southeast wind 21 to 26 km/h, with gusts as high as 34 km/h. Chance of precipitation is 60%.

    High: 29 °C

    T-storms
    Likely and
    Breezy

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 28. Breezy, with a southeast wind 21 to 26 km/h, with gusts as high as 34 km/h.

    Low: 28 °C

    Chance
    T-storms and
    Breezy

Detailed Forecast

Tonight
A slight chance of showers before 11pm, then a slight chance of showers and thunderstorms after 3am. Partly cloudy, with a low around 26. Southeast wind around 11 km/h. Chance of precipitation is 20%.
Sunday
A 40 percent chance of showers and thunderstorms, mainly after 9am. Mostly sunny, with a high near 31. Heat index values as high as 38. Northeast wind 8 to 13 km/h becoming light and variable in the afternoon.
Sunday Night
Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 26. Southwest wind around 11 km/h. Chance of precipitation is 60%. New rainfall amounts between 2.5 and 5 mm possible.
Monday
Showers likely and possibly a thunderstorm before 8am, then showers and thunderstorms likely between 8am and 5pm, then showers and possibly a thunderstorm after 5pm. High near 30. Southwest wind 10 to 13 km/h. Chance of precipitation is 80%.
Monday Night
Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms after 8pm. Low around 25. Southwest wind 10 to 13 km/h. Chance of precipitation is 80%.
Tuesday
Showers likely and possibly a thunderstorm before 11am, then showers and thunderstorms likely after 11am. Mostly cloudy, with a high near 29. South wind 13 to 21 km/h. Chance of precipitation is 70%.
Tuesday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 27. Southeast wind 16 to 23 km/h, with gusts as high as 29 km/h.
Wednesday
Showers and thunderstorms likely. Partly sunny, with a high near 29. Breezy, with a southeast wind 21 to 26 km/h, with gusts as high as 34 km/h. Chance of precipitation is 60%.
Wednesday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 28. Breezy, with a southeast wind 21 to 26 km/h, with gusts as high as 34 km/h.
Thursday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 30. Breezy.
Thursday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 28.
Friday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 31.
Friday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 28.
Saturday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 31.
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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:
2:47 pm EDT Jul 12, 2025
Forecast Valid:
10pm EDT Jul 12, 2025-6pm EDT Jul 19, 2025
 
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Additional Resources

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Chance of Precipitation