Key Largo, Florida Weather
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Click for Coastal Flood Statement for Key Largo, Florida
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Weather Forecast for Key Largo, Florida : Monroe County
Issued: 1:15 am EDT Oct 17, 2025 Latitude: 25.0865151 Longitude: -80.4472802 View on Google Maps

MouseOver for Detail Forecast
Overnight Friday Saturday Sunday Monday Tuesday Wednesday Thursday
30% chance of rain on Overnight 20% chance of rain on Friday Sunny on Saturday 20% chance of thunderstorms on Sunday 20% chance of thunderstorms on Monday 20% chance of rain on Tuesday 10% chance of rain on Wednesday 20% chance of rain on Thursday
Low: 75°F High: 82°F High: 82°F High: 83°F High: 84°F High: 84°F High: 84°F High: 83°F
Low: 76°F Low: 77°F Low: 77°F Low: 77°F Low: 76°F Low: 77°F  
Rain Rain Sunny Thunderstorms Thunderstorms Rain Rain Rain
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Current Conditions at
HOMESTEAD AFB - (KHST)
75°
Clear
as of 12:55 AM EDST
Rel. Humidity: 78%
Dew Point: 68°F
Visibility: 10 Miles
Pressure: 29.86 in.
Flight Rule: VFR
Wind Data
6 MPH
340° North
Cloud Level(s): Clear
Current Conditions at
TAMIAMI ARPT - (KTMB)
73°
Clear
as of 12:53 AM EDST
Rel. Humidity: 88%
Dew Point: 70°F
Pressure: 29.87 in.
Wind Data
5 MPH
0° North
Cloud Level(s): Clear
Current Conditions at
MARATHON KEY ARPT - (KMTH)
79°
Partly Cloudy
as of 12:53 AM EDST
Rel. Humidity: 78%
Dew Point: 72°F
Visibility: 10 Miles
Pressure: 29.86 in.
Flight Rule: VFR
Wind Data
7 MPH
040° Northeast
Cloud Level(s): Scattered at 8000ft
Current Conditions at
OPA LOCKA ARPT - (KOPF)
75°
Mostly Clear
as of 12:53 AM EDST
Rel. Humidity: 73%
Dew Point: 66°F
Visibility: 10 Miles
Pressure: 29.87 in.
Flight Rule: VFR
Wind Data
6 MPH
0° North
Cloud Level(s): Few at 6000ft
30% chance of rain Overnight Overnight... A chance of showers. Partly cloudy, with a low around 75. Northeast wind around 10 mph. Chance of precipitation is 30%.
20% chance of rain Friday Friday... A slight chance of showers. Mostly sunny, with a high near 82. Northeast wind around 15 mph. Chance of precipitation is 20%.
Mostly Clear on Friday Night Friday Night... Mostly clear, with a low around 76. Northeast wind around 15 mph.
Sunny on Saturday Saturday... Sunny, with a high near 82. East wind around 15 mph.
10% chance of rain Saturday Night Saturday Night... A slight chance of showers. Partly cloudy, with a low around 77. East wind 10 to 15 mph. Chance of precipitation is 10%.
20% chance of thunderstorms Sunday Sunday... A slight chance of showers and thunderstorms. Mostly sunny, with a high near 83. Chance of precipitation is 20%.
30% chance of thunderstorms Sunday Night Sunday Night... A chance of showers and thunderstorms. Partly cloudy, with a low around 77. Chance of precipitation is 30%.
20% chance of thunderstorms Monday Monday... A slight chance of showers and thunderstorms. Sunny, with a high near 84. Chance of precipitation is 20%.
20% chance of thunderstorms Monday Night Monday Night... A slight chance of showers and thunderstorms. Partly cloudy, with a low around 77. Chance of precipitation is 20%.
20% chance of rain Tuesday Tuesday... A slight chance of showers. Sunny, with a high near 84. Chance of precipitation is 20%.
20% chance of rain Tuesday Night Tuesday Night... A slight chance of showers. Mostly clear, with a low around 76. Chance of precipitation is 20%.
10% chance of rain Wednesday Wednesday... A slight chance of showers. Sunny, with a high near 84. Chance of precipitation is 10%.
10% chance of rain Wednesday Night Wednesday Night... A slight chance of showers. Mostly clear, with a low around 77. Chance of precipitation is 10%.
20% chance of rain Thursday Thursday... A slight chance of showers. Sunny, with a high near 83. Chance of precipitation is 20%.
Current Radar Image


Sun Almanac for Key Largo, Florida
Sunrise: 07:21 AM
Sunset: 6:53 PM
Civil Sunrise:06:58 AM
Civil Sunset: 7:16 PM
Nautical Sunrise: 06:32 AM
Nautical Sunset: 7:43 PM
Astro Sunrise: 06:05 AM
Astro Sunset: 8:09 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.