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Big Coppitt Key, Florida Weather Forecast
Big Coppitt Key, Florida Weather
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Weather Forecast for Big Coppitt Key, Florida : Monroe County
Issued: 6:15 pm EST Dec 16, 2025 Latitude: 24.5965343 Longitude: -81.6600883 View on Google Maps

MouseOver for Detail Forecast
Tonight Wednesday Thursday Friday Saturday Sunday Monday Tuesday
Cloudy on Tonight Mostly Sunny on Wednesday 20% chance of on Thursday 20% chance of rain on Friday Mostly Sunny on Saturday 10% chance of rain on Sunday 10% chance of rain on Monday 10% chance of rain on Tuesday
Low: 71°F High: 78°F High: 80°F High: 79°F High: 78°F High: 79°F High: 79°F High: 79°F
Low: 73°F Low: 74°F Low: 72°F Low: 74°F Low: 74°F Low: 73°F  
Cloudy Mostly Sunny Partly Sunny Rain Mostly Sunny Rain Rain Rain
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Current Conditions at
KEY WEST NAS - (KNQX)
72°
Mostly Clear
as of 5:53 PM EST
Rel. Humidity: 68%
Dew Point: 61°F
Visibility: 10 Miles
Pressure: 30.07 in.
Flight Rule: VFR
Wind Data
12 MPH
Gust: 23 MPH
060° Northeast
Cloud Level(s): Few at 2500ft, Few at 9000ft
Current Conditions at
KEY WEST INTL - (KEYW)
72°
Clear
as of 5:53 PM EST
Rel. Humidity: 73%
Dew Point: 63°F
Visibility: 10 Miles
Pressure: 30.08 in.
Flight Rule: VFR
Wind Data
12 MPH
Gust: 26 MPH
060° Northeast
Cloud Level(s): Clear
Current Conditions at
MARATHON KEY ARPT - (KMTH)
72°
Mostly Clear
as of 5:53 PM EST
Rel. Humidity: 68%
Dew Point: 61°F
Visibility: 10 Miles
Pressure: 30.08 in.
Flight Rule: VFR
Wind Data
10 MPH
Gust: 23 MPH
060° Northeast
Cloud Level(s): Few at 4200ft
Current Conditions at
HOMESTEAD AFB - (KHST)
70°
Partly Cloudy
as of 5:55 PM EST
Rel. Humidity: 68%
Dew Point: 59°F
Visibility: 10 Miles
Pressure: 30.10 in.
Flight Rule: VFR
Wind Data
12 MPH
040° Northeast
Cloud Level(s): Scattered at 3500ft
Cloudy on Tonight Tonight... Partly cloudy, with a low around 71. East wind around 15 mph.
Mostly Sunny on Wednesday Wednesday... Mostly sunny, with a high near 78. East wind around 15 mph.
10% chance of rain Wednesday Night Wednesday Night... A slight chance of showers. Mostly cloudy, with a low around 73. East wind around 15 mph. Chance of precipitation is 10%.
20% chance of Thursday Thursday... A slight chance of showers. Partly sunny, with a high near 80. East wind 10 to 15 mph. Chance of precipitation is 20%.
30% chance of rain Thursday Night Thursday Night... A chance of showers. Cloudy, with a low around 74. Southeast wind 5 to 10 mph becoming southwest after midnight. Chance of precipitation is 30%.
20% chance of rain Friday Friday... A slight chance of showers. Mostly cloudy, with a high near 79. Chance of precipitation is 20%.
Cloudy on Friday Night Friday Night... Partly cloudy, with a low around 72.
Mostly Sunny on Saturday Saturday... Mostly sunny, with a high near 78.
Cloudy on Saturday Night Saturday Night... Partly cloudy, with a low around 74.
10% chance of rain Sunday Sunday... A slight chance of showers. Mostly sunny, with a high near 79. Chance of precipitation is 10%.
10% chance of rain Sunday Night Sunday Night... A slight chance of showers. Partly cloudy, with a low around 74. Chance of precipitation is 10%.
10% chance of rain Monday Monday... A slight chance of showers. Mostly sunny, with a high near 79. Chance of precipitation is 10%.
10% chance of rain Monday Night Monday Night... A slight chance of showers. Partly cloudy, with a low around 73. Chance of precipitation is 10%.
10% chance of rain Tuesday Tuesday... A slight chance of showers. Mostly sunny, with a high near 79. Chance of precipitation is 10%.
Current Radar Image


Sun Almanac for Big Coppitt Key, Florida
Sunrise: 07:04 AM
Sunset: 5:41 PM
Civil Sunrise:06:39 AM
Civil Sunset: 6:06 PM
Nautical Sunrise: 06:11 AM
Nautical Sunset: 6:34 PM
Astro Sunrise: 05:43 AM
Astro Sunset: 7:02 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.