Snow Expected from the Ohio Valley into the Mid-Atlantic; Rain and Thunderstorms in the Southeast

A frontal system is expected to bring wintry precipitation to the Central Appalachians and portions of the Mid-Atlantic into Wednesday, meanwhile, showers and thunderstorms are expected along the Gulf Coast and Southeast. A series of Clipper systems will bring periods of snow to the Northern Plains and Great Lakes over the next several days. Read More >

Current conditions at

The Florida Keys - Marathon International Airport (KMTH)

Lat: 24.73°NLon: 81.05°WElev: 13ft.

A Few Clouds

58°F

14°C

Humidity 81%
Wind Speed N 6 mph
Barometer 30.18 in (1022.0 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 4 Feb 3:53 am EST
Extended Forecast for

Key Colony Beach FL

  • Today

    Today: Mostly sunny, with a high near 67. Northeast wind 5 to 10 mph.

    High: 67 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 61. East wind around 5 mph becoming west after midnight.

    Low: 61 °F

    Partly Cloudy

  • Thursday

    Thursday: A chance of showers.  Mostly sunny, with a high near 70. West wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon.  Chance of precipitation is 30%.

    High: 70 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 52. Breezy, with a northwest wind 15 to 20 mph.

    Low: 52 °F

    Partly Cloudy
    and Breezy

  • Friday

    Friday: Sunny, with a high near 63. Northwest wind around 10 mph.

    High: 63 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 57.

    Low: 57 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 67.

    High: 67 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 58.

    Low: 58 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 70.

    High: 70 °F

    Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 67. Northeast wind 5 to 10 mph.
Tonight
Partly cloudy, with a low around 61. East wind around 5 mph becoming west after midnight.
Thursday
A chance of showers. Mostly sunny, with a high near 70. West wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Chance of precipitation is 30%.
Thursday Night
Partly cloudy, with a low around 52. Breezy, with a northwest wind 15 to 20 mph.
Friday
Sunny, with a high near 63. Northwest wind around 10 mph.
Friday Night
Mostly clear, with a low around 57.
Saturday
Sunny, with a high near 67.
Saturday Night
Mostly clear, with a low around 58.
Sunday
Sunny, with a high near 70.
Sunday Night
Mostly clear, with a low around 61.
Monday
Sunny, with a high near 71.
Monday Night
Mostly clear, with a low around 62.
Tuesday
Sunny, with a high near 74.
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ABOUT THIS FORECAST

 
Point Forecast:
Key Colony Beach FL
 24.74°N 81.02°W (Elev. 0 ft)
4:15 am EST Feb 4, 2026
4am EST Feb 4, 2026-6pm EST Feb 10, 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