Hazardous Coastal Conditions for the Mid-Atlantic; Storm System Approaching Southern Alaska

A Nor'easter will create hazardous marine and coastal conditions along the Mid-Atlantic coast through mid-week, with significant coastal flooding and beach erosion possible. Meanwhile, another strong storm system is forecast to bring high winds and heavy precipitation to portions of southern Alaska. Elsewhere, relatively benign weather is expected through the first half of the work week. Read More >

Current conditions at

The Florida Keys - Marathon International Airport (KMTH)

Lat: 24.73°NLon: 81.05°WElev: 13ft.

Mostly Cloudy

81°F

27°C

Humidity 74%
Wind Speed NE 12 G 21 mph
Barometer 30.00 in (1015.8 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 19 Oct 10:53 pm EDT
Extended Forecast for

2 Miles SW Long Key FL

  • Tonight

    Tonight: Partly cloudy, with a low around 78. Windy, with a northeast wind 20 to 25 mph, with gusts as high as 30 mph.

    Low: 78 °F

    Partly Cloudy
    and Windy

  • Tuesday

    Tuesday: Sunny, with a high near 83. Breezy, with a northeast wind around 20 mph.

    High: 83 °F

    Sunny and
    Breezy

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 75. Windy, with a northeast wind 20 to 25 mph, with gusts as high as 30 mph.

    Low: 75 °F

    Mostly Clear
    and Windy

  • Wednesday

    Wednesday: Sunny, with a high near 82. Breezy, with a north wind 15 to 20 mph.

    High: 82 °F

    Sunny and
    Breezy then
    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 75. Northeast wind around 15 mph.

    Low: 75 °F

    Mostly Clear

  • Thursday

    Thursday: A chance of showers and thunderstorms.  Sunny, with a high near 82. Chance of precipitation is 30%.

    High: 82 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms.  Partly cloudy, with a low around 75. Chance of precipitation is 30%.

    Low: 75 °F

    Chance
    Showers

  • Friday

    Friday: Showers likely and possibly a thunderstorm.  Mostly sunny, with a high near 81. Breezy.  Chance of precipitation is 70%.

    High: 81 °F

    Showers
    Likely and
    Breezy

  • Friday Night

    Friday Night: A chance of showers and thunderstorms.  Partly cloudy, with a low around 75. Windy.  Chance of precipitation is 50%.

    Low: 75 °F

    Chance
    T-storms and
    Windy

Detailed Forecast

Tonight
Partly cloudy, with a low around 78. Windy, with a northeast wind 20 to 25 mph, with gusts as high as 30 mph.
Tuesday
Sunny, with a high near 83. Breezy, with a northeast wind around 20 mph.
Tuesday Night
Mostly clear, with a low around 75. Windy, with a northeast wind 20 to 25 mph, with gusts as high as 30 mph.
Wednesday
Sunny, with a high near 82. Breezy, with a north wind 15 to 20 mph.
Wednesday Night
Mostly clear, with a low around 75. Northeast wind around 15 mph.
Thursday
A chance of showers and thunderstorms. Sunny, with a high near 82. Chance of precipitation is 30%.
Thursday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 75. Chance of precipitation is 30%.
Friday
Showers likely and possibly a thunderstorm. Mostly sunny, with a high near 81. Breezy. Chance of precipitation is 70%.
Friday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 75. Windy. Chance of precipitation is 50%.
Saturday
Showers likely and possibly a thunderstorm. Mostly sunny, with a high near 82. Windy. Chance of precipitation is 70%.
Saturday Night
Showers likely and possibly a thunderstorm. Partly cloudy, with a low around 75. Very windy. Chance of precipitation is 70%.
Sunday
Showers likely and possibly a thunderstorm. Mostly sunny, with a high near 82. Very windy. Chance of precipitation is 70%.
Sunday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 75. Very windy. Chance of precipitation is 40%.
Monday
A chance of showers and thunderstorms. Mostly sunny, with a high near 82. Very windy. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SW Long Key FL
 24.81°N 80.83°W (Elev. 0 ft)
11:15 pm EDT Oct 19, 2026
11pm EDT Oct 19, 2026-6pm EDT Oct 26, 2026
 
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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