Key Biscayne, Florida Weather
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Weather Forecast for Key Biscayne, Florida : Miami-Dade County
Issued: 3:16 am EDT Oct 17, 2025 Latitude: 25.693713 Longitude: -80.1628248 View on Google Maps

MouseOver for Detail Forecast
Overnight Friday Saturday Sunday Monday Tuesday Wednesday Thursday
20% chance of rain on Overnight Mostly Sunny on Friday Sunny on Saturday Mostly Sunny on Sunday Mostly Sunny on Monday Sunny on Tuesday Sunny on Wednesday Sunny on Thursday
Low: 78°F High: 82°F High: 82°F High: 85°F High: 85°F High: 85°F High: 84°F High: 84°F
Low: 77°F Low: 78°F Low: 78°F Low: 78°F Low: 77°F Low: 77°F  
Rain Mostly Sunny Sunny Mostly Sunny Mostly Sunny Sunny Sunny Sunny
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Current Conditions at
MIAMI - (KMIA)
75°
Cloudy
as of 2:53 AM EDST
Rel. Humidity: 78%
Dew Point: 68°F
Visibility: 10 Miles
Pressure: 29.85 in.
Flight Rule: VFR
Wind Data
3 MPH
350° North
Cloud Level(s): Scattered at 4900ft, Solid Overcast at 7000ft
Current Conditions at
OPA LOCKA ARPT - (KOPF)
75°
Cloudy
as of 2:53 AM EDST
Rel. Humidity: 78%
Dew Point: 68°F
Visibility: 10 Miles
Pressure: 29.86 in.
Flight Rule: VFR
Wind Data
3 MPH
0° North
Cloud Level(s): Solid Overcast at 7500ft
Current Conditions at
TAMIAMI ARPT - (KTMB)
75°
Mostly Cloudy
as of 2:53 AM EDST
Rel. Humidity: 83%
Dew Point: 70°F
Pressure: 29.85 in.
Wind Data
5 MPH
010° North
Cloud Level(s): Broken at 7000ft
Current Conditions at
HOMESTEAD AFB - (KHST)
75°
Mostly Cloudy
as of 3:03 AM EDST
Rel. Humidity: 83%
Dew Point: 70°F
Visibility: 10 Miles
Pressure: 29.85 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Broken at 3100ft, Broken at 4200ft
20% chance of rain Overnight Overnight... A 20 percent chance of showers. Partly cloudy, with a low around 78. Breezy, with a northeast wind around 17 mph, with gusts as high as 20 mph.
Mostly Sunny on Friday Friday... Mostly sunny, with a high near 82. Breezy, with a northeast wind 18 to 20 mph, with gusts as high as 24 mph.
Cloudy on Friday Night Friday Night... Partly cloudy, with a low around 77. Windy, with an east wind 18 to 22 mph.
Sunny on Saturday Saturday... Sunny, with a high near 82. East wind around 15 mph, with gusts as high as 20 mph.
Cloudy on Saturday Night Saturday Night... Partly cloudy, with a low around 78. Breezy, with an east wind 15 to 17 mph.
Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 85. East wind 11 to 13 mph.
Cloudy on Sunday Night Sunday Night... Partly cloudy, with a low around 78. Southeast wind around 11 mph.
Mostly Sunny on Monday Monday... Mostly sunny, with a high near 85. East wind 9 to 13 mph.
Mostly Clear on Monday Night Monday Night... Mostly clear, with a low around 78. East wind around 14 mph.
Sunny on Tuesday Tuesday... Sunny, with a high near 85.
Mostly Clear on Tuesday Night Tuesday Night... Mostly clear, with a low around 77.
Sunny on Wednesday Wednesday... Sunny, with a high near 84.
Mostly Clear on Wednesday Night Wednesday Night... Mostly clear, with a low around 77. Breezy.
Sunny on Thursday Thursday... Sunny, with a high near 84. Breezy.
Current Radar Image


Sun Almanac for Key Biscayne, Florida
Sunrise: 07:21 AM
Sunset: 6:51 PM
Civil Sunrise:06:57 AM
Civil Sunset: 7:14 PM
Nautical Sunrise: 06:31 AM
Nautical Sunset: 7:41 PM
Astro Sunrise: 06:04 AM
Astro Sunset: 8:08 PM
Any use of the information on this page is at your own risk. This information should not be relied upon in life-threatening situations, potential financial loss situations or in lieu of any officially disseminated information. Visit the National Weather Service for official information.