Fort Jefferson, Florida Weather
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Weather Forecast for Fort Jefferson, Florida : Monroe County
Issued: 6:15 am EDT Jul 4, 2025 Latitude: 24.6279301 Longitude: -82.8728981 View on Google Maps

MouseOver for Detail Forecast
Independence Day Tonight Saturday Sunday Monday Tuesday Wednesday Thursday
60% chance of thunderstorms on Independence Day 40% chance of thunderstorms on Tonight 50% chance of thunderstorms on Saturday 30% chance of thunderstorms on Sunday 20% chance of thunderstorms on Monday 20% chance of thunderstorms on Tuesday 30% chance of thunderstorms on Wednesday 30% chance of thunderstorms on Thursday
High: 85°F Low: 82°F High: 85°F High: 85°F High: 86°F High: 85°F High: 85°F High: 85°F
  Low: 82°F Low: 82°F Low: 83°F Low: 81°F Low: 82°F  
Thunderstorms Thunderstorms Thunderstorms Thunderstorms Thunderstorms Thunderstorms Thunderstorms Thunderstorms
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Current Conditions at
KEY WEST INTL - (KEYW)
82°
Clear
as of 5:53 AM EDST
Rel. Humidity: 78%
Dew Point: 75°F
Visibility: 10 Miles
Pressure: 29.98 in.
Flight Rule: VFR
Wind Data
9 MPH
230° Southwest
Cloud Level(s): Clear
Current Conditions at
KEY WEST NAS - (KNQX)
86°
Feels like 95°F
Mostly Clear
as of 5:53 AM EDST
Rel. Humidity: 70%
Dew Point: 75°F
Visibility: 10 Miles
Pressure: 29.98 in.
Flight Rule: VFR
Wind Data
7 MPH
240° Southwest
Cloud Level(s): Few at 2600ft
Current Conditions at
MARATHON KEY ARPT - (KMTH)
81°
Mostly Clear
as of 6:14 AM EDST
Rel. Humidity: 83%
Dew Point: 75°F
Visibility: 10 Miles
Pressure: 29.97 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Few at 300ft
Current Conditions at
NAPLES - (KAPF)
82°
Clear
as of 5:53 AM EDST
Rel. Humidity: 74%
Dew Point: 73°F
Visibility: 10 Miles
Pressure: 29.94 in.
Flight Rule: VFR
Wind Data
8 MPH
220° Southwest
Cloud Level(s): Clear
60% chance of thunderstorms Independence Day Independence Day... Scattered showers and thunderstorms, then showers likely and possibly a thunderstorm after 8am. Mostly sunny, with a high near 85. West wind around 10 mph. Chance of precipitation is 60%.
40% chance of thunderstorms Tonight Tonight... Scattered showers and thunderstorms. Partly cloudy, with a low around 82. West wind around 10 mph. Chance of precipitation is 40%.
50% chance of thunderstorms Saturday Saturday... Scattered showers and thunderstorms. Sunny, with a high near 85. Southwest wind around 10 mph. Chance of precipitation is 50%.
30% chance of thunderstorms Saturday Night Saturday Night... Scattered showers and thunderstorms. Mostly clear, with a low around 82. West wind around 10 mph. Chance of precipitation is 30%.
30% chance of thunderstorms Sunday Sunday... Scattered showers and thunderstorms. Sunny, with a high near 85. Southwest wind around 10 mph. Chance of precipitation is 30%.
20% chance of thunderstorms Sunday Night Sunday Night... Isolated showers and thunderstorms. Mostly clear, with a low around 82. Chance of precipitation is 20%.
20% chance of thunderstorms Monday Monday... Isolated showers and thunderstorms. Sunny, with a high near 86. Chance of precipitation is 20%.
20% chance of thunderstorms Monday Night Monday Night... Isolated showers and thunderstorms. Partly cloudy, with a low around 83. Chance of precipitation is 20%.
20% chance of thunderstorms Tuesday Tuesday... Isolated showers and thunderstorms. Mostly sunny, with a high near 85. Chance of precipitation is 20%.
30% chance of thunderstorms Tuesday Night Tuesday Night... Scattered showers and thunderstorms. Partly cloudy, with a low around 81. Chance of precipitation is 30%.
30% chance of thunderstorms Wednesday Wednesday... Scattered showers and thunderstorms. Mostly sunny, with a high near 85. Chance of precipitation is 30%.
30% chance of thunderstorms Wednesday Night Wednesday Night... Scattered showers and thunderstorms. Partly cloudy, with a low around 82. Chance of precipitation is 30%.
30% chance of thunderstorms Thursday Thursday... Scattered showers and thunderstorms. Mostly sunny, with a high near 85. Chance of precipitation is 30%.
Current Radar Image


Sun Almanac for Fort Jefferson, Florida
Sunrise: 06:48 AM
Sunset: 8:25 PM
Civil Sunrise:06:22 AM
Civil Sunset: 8:50 PM
Nautical Sunrise: 05:51 AM
Nautical Sunset: 9:21 PM
Astro Sunrise: 05:19 AM
Astro Sunset: 9:53 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.