Mostly Tranquil Weather for the CONUS

A tranquil stretch of weather for the Lower 48 is expected with no major storms through Wednesday and Thursday. Heavy rain is likely to produce flooding impacts through at least Thursday in American Samoa. Confidence is increasing that a significant winter storm will create considerable impacts Friday through the weekend from the Mid-Atlantic through the Northeast. Read More >

Hazardous Weather Conditions

Current conditions at

The Florida Keys - Marathon International Airport (KMTH)

Lat: 24.73°NLon: 81.05°WElev: 13ft.

Fair

73°F

23°C

Humidity 66%
Wind Speed E 8 mph
Barometer 29.97 in (1014.8 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 25 Jan 12:53 pm EST
Extended Forecast for

Long Key FL

  • This
    Afternoon

    This Afternoon: Mostly sunny, with a high near 73. East wind around 10 mph.

    Mostly Sunny

    High: 73 °F

  • Tonight

    Tonight: A slight chance of showers, then a chance of showers and thunderstorms after 1am.  Mostly cloudy, with a low around 72. East wind around 10 mph.  Chance of precipitation is 30%.

    Chance
    Showers

    Low: 72 °F

  • Wednesday

    Wednesday: Showers likely and possibly a thunderstorm.  Partly sunny, with a high near 78. South wind around 10 mph.  Chance of precipitation is 60%.

    Showers
    Likely

    High: 78 °F

  • Wednesday
    Night

    Wednesday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 67. Southwest wind around 5 mph becoming northeast after midnight.  Chance of precipitation is 40%.

    Chance
    Showers

    Low: 67 °F

  • Thursday

    Thursday: A slight chance of showers.  Mostly sunny, with a high near 77. Northeast wind around 5 mph.  Chance of precipitation is 20%.

    Slight Chance
    Showers

    High: 77 °F

  • Thursday
    Night

    Thursday Night: Mostly cloudy, with a low around 67.

    Mostly Cloudy

    Low: 67 °F

  • Friday

    Friday: A slight chance of showers.  Partly sunny, with a high near 74. Chance of precipitation is 10%.

    Slight Chance
    Showers

    High: 74 °F

  • Friday
    Night

    Friday Night: A chance of showers.  Mostly cloudy, with a low around 60. Chance of precipitation is 50%.

    Chance
    Showers

    Low: 60 °F

  • Saturday

    Saturday: A slight chance of showers.  Partly sunny, with a high near 64. Breezy.  Chance of precipitation is 10%.

    Slight Chance
    Showers and
    Breezy

    High: 64 °F

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 73. East wind around 10 mph.
Tonight
A slight chance of showers, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 72. East wind around 10 mph. Chance of precipitation is 30%.
Wednesday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 78. South wind around 10 mph. Chance of precipitation is 60%.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 67. Southwest wind around 5 mph becoming northeast after midnight. Chance of precipitation is 40%.
Thursday
A slight chance of showers. Mostly sunny, with a high near 77. Northeast wind around 5 mph. Chance of precipitation is 20%.
Thursday Night
Mostly cloudy, with a low around 67.
Friday
A slight chance of showers. Partly sunny, with a high near 74. Chance of precipitation is 10%.
Friday Night
A chance of showers. Mostly cloudy, with a low around 60. Chance of precipitation is 50%.
Saturday
A slight chance of showers. Partly sunny, with a high near 64. Breezy. Chance of precipitation is 10%.
Saturday Night
Mostly clear, with a low around 49.
Sunday
Sunny, with a high near 64.
Sunday Night
Partly cloudy, with a low around 53.
Monday
Mostly sunny, with a high near 68.
Click Map For Forecast
Point Forecast:
Long Key FL
 24.83°N 80.81°W (Elev. 0 ft)
12:15 pm EST Jan 25, 2022
1pm EST Jan 25, 2022-6pm EST Jan 31, 2022
 
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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