National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

The Florida Keys - Marathon International Airport (KMTH)

Lat: 24.73°NLon: 81.05°WElev: 13ft.

Fair

73°F

23°C

Humidity 59%
Wind Speed NE 12 G 24 mph
Barometer 30.16 in (1021.4 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 13 Apr 2:53 am EDT
Extended Forecast for

3 Miles NE Islamorada FL

  • Overnight

    Overnight: A slight chance of showers. Mostly clear, with a low around 72. East wind around 15 mph. Chance of precipitation is 10%.

    Low: 72 °F

    Slight Chance
    Showers

  • Monday

    Monday: A slight chance of showers. Sunny, with a high near 78. East wind around 15 mph. Chance of precipitation is 10%.

    High: 78 °F

    Slight Chance
    Showers

  • Monday Night

    Monday Night: A slight chance of showers. Partly cloudy, with a low around 73. East wind around 15 mph. Chance of precipitation is 10%.

    Low: 73 °F

    Slight Chance
    Showers

  • Tuesday

    Tuesday: A slight chance of showers. Mostly sunny, with a high near 79. East wind around 15 mph. Chance of precipitation is 10%.

    High: 79 °F

    Slight Chance
    Showers

  • Tuesday Night

    Tuesday Night: A slight chance of showers. Partly cloudy, with a low around 73. East wind around 15 mph. Chance of precipitation is 10%.

    Low: 73 °F

    Slight Chance
    Showers

  • Wednesday

    Wednesday: A slight chance of showers. Mostly sunny, with a high near 78. Chance of precipitation is 10%.

    High: 78 °F

    Slight Chance
    Showers

  • Wednesday Night

    Wednesday Night: A slight chance of showers. Partly cloudy, with a low around 73. Chance of precipitation is 10%.

    Low: 73 °F

    Slight Chance
    Showers

  • Thursday

    Thursday: A slight chance of showers. Mostly sunny, with a high near 79. Chance of precipitation is 10%.

    High: 79 °F

    Slight Chance
    Showers

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 75. Breezy.

    Low: 75 °F

    Mostly Clear
    and Breezy

Detailed Forecast

Overnight
A slight chance of showers. Mostly clear, with a low around 72. East wind around 15 mph. Chance of precipitation is 10%.
Monday
A slight chance of showers. Sunny, with a high near 78. East wind around 15 mph. Chance of precipitation is 10%.
Monday Night
A slight chance of showers. Partly cloudy, with a low around 73. East wind around 15 mph. Chance of precipitation is 10%.
Tuesday
A slight chance of showers. Mostly sunny, with a high near 79. East wind around 15 mph. Chance of precipitation is 10%.
Tuesday Night
A slight chance of showers. Partly cloudy, with a low around 73. East wind around 15 mph. Chance of precipitation is 10%.
Wednesday
A slight chance of showers. Mostly sunny, with a high near 78. Chance of precipitation is 10%.
Wednesday Night
A slight chance of showers. Partly cloudy, with a low around 73. Chance of precipitation is 10%.
Thursday
A slight chance of showers. Mostly sunny, with a high near 79. Chance of precipitation is 10%.
Thursday Night
Mostly clear, with a low around 75. Breezy.
Friday
Sunny, with a high near 80.
Friday Night
Mostly clear, with a low around 75. Breezy.
Saturday
Sunny, with a high near 80.
Saturday Night
Mostly clear, with a low around 76.
Sunday
Sunny, with a high near 81.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NE Islamorada FL
 24.95°N 80.59°W (Elev. 0 ft)
Last Update:
3:15 am EDT Apr 13, 2026
Forecast Valid:
3am EDT Apr 13, 2026-6pm EDT Apr 19, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation