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.

Light Rain

77°F

25°C

Humidity 90%
Wind Speed E 13 mph
Barometer 30.07 in (1018.2 mb)
Dewpoint 74°F (23°C)
Visibility 7.00 mi
Heat Index78°F (26°C)
Last update 19 May 3:53 am EDT
Extended Forecast for

Key Biscayne FL

  • Overnight

    Overnight: Scattered showers and thunderstorms. Mostly clear, with a low around 81. Breezy, with an east wind around 18 mph, with gusts as high as 21 mph. Chance of precipitation is 40%.

    Low: 81 °F

    Scattered
    T-storms and
    Breezy

  • Tuesday

    Tuesday: Scattered showers and thunderstorms, mainly before 2pm. Mostly sunny, with a high near 83. Breezy, with an east wind around 17 mph, with gusts as high as 21 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 83 °F

    Scattered
    T-storms and
    Breezy

  • Tuesday Night

    Tuesday Night: Scattered showers and thunderstorms before 5am, then isolated showers. Partly cloudy, with a low around 81. Breezy, with an east wind 16 to 18 mph. Chance of precipitation is 30%.

    Low: 81 °F

    Scattered
    Showers and
    Breezy

  • Wednesday

    Wednesday: Isolated showers and thunderstorms before noon, then isolated showers and thunderstorms after 1pm. Sunny, with a high near 84. East wind around 13 mph. Chance of precipitation is 20%.

    High: 84 °F

    Isolated
    T-storms

  • Wednesday Night

    Wednesday Night: Isolated showers and thunderstorms before 11pm, then isolated showers between 11pm and 2am. Mostly clear, with a low around 82. East wind 13 to 15 mph. Chance of precipitation is 20%.

    Low: 82 °F

    Isolated
    T-storms then
    Isolated
    Showers

  • Thursday

    Thursday: Sunny, with a high near 84. East wind 10 to 13 mph.

    High: 84 °F

    Sunny

  • Thursday Night

    Thursday Night: Isolated showers and thunderstorms after 2am. Mostly clear, with a low around 82. Breezy, with an east wind 13 to 16 mph. Chance of precipitation is 20%.

    Low: 82 °F

    Breezy.
    Mostly Clear
    then Isolated
    T-storms

  • Friday

    Friday: Isolated showers and thunderstorms. Sunny, with a high near 85. East wind 11 to 13 mph. Chance of precipitation is 20%.

    High: 85 °F

    Isolated
    T-storms

  • Friday Night

    Friday Night: A slight chance of showers and thunderstorms. Partly cloudy, with a low around 82. East wind 13 to 15 mph. Chance of precipitation is 20%.

    Low: 82 °F

    Slight Chance
    T-storms

Detailed Forecast

Overnight
Scattered showers and thunderstorms. Mostly clear, with a low around 81. Breezy, with an east wind around 18 mph, with gusts as high as 21 mph. Chance of precipitation is 40%.
Tuesday
Scattered showers and thunderstorms, mainly before 2pm. Mostly sunny, with a high near 83. Breezy, with an east wind around 17 mph, with gusts as high as 21 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Scattered showers and thunderstorms before 5am, then isolated showers. Partly cloudy, with a low around 81. Breezy, with an east wind 16 to 18 mph. Chance of precipitation is 30%.
Wednesday
Isolated showers and thunderstorms before noon, then isolated showers and thunderstorms after 1pm. Sunny, with a high near 84. East wind around 13 mph. Chance of precipitation is 20%.
Wednesday Night
Isolated showers and thunderstorms before 11pm, then isolated showers between 11pm and 2am. Mostly clear, with a low around 82. East wind 13 to 15 mph. Chance of precipitation is 20%.
Thursday
Sunny, with a high near 84. East wind 10 to 13 mph.
Thursday Night
Isolated showers and thunderstorms after 2am. Mostly clear, with a low around 82. Breezy, with an east wind 13 to 16 mph. Chance of precipitation is 20%.
Friday
Isolated showers and thunderstorms. Sunny, with a high near 85. East wind 11 to 13 mph. Chance of precipitation is 20%.
Friday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 82. East wind 13 to 15 mph. Chance of precipitation is 20%.
Saturday
A slight chance of showers, then a chance of showers and thunderstorms after 8am. Sunny, with a high near 85. Chance of precipitation is 30%.
Saturday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 83. Breezy.
Sunday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 85. Breezy.
Sunday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 83. Breezy.
Memorial Day
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 85. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
Key Biscayne FL
 25.69°N 80.17°W
Last Update:
3:47 am EDT May 19, 2026
Forecast Valid:
4am EDT May 19, 2026-6pm EDT May 25, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

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Chance of Precipitation