Cold Temperatures Continue in the Southeast; Snow in the Central Appalachians and Ohio Valley; Rain and Thunderstorms in the Southeast

Cold temperatures will persist across Florida and the Southeast through Tuesday, then milder conditions are expected beginning Wednesday. A frontal system is expected to bring wintry precipitation to the Central Appalachians and portions of the Mid-Atlantic Tuesday into Wednesday, meanwhile, showers and thunderstorms are expected along the Gulf Coast and Southeast. Read More >

Current conditions at

The Florida Keys - Marathon International Airport (KMTH)

Lat: 24.73°NLon: 81.05°WElev: 13ft.

Fair

51°F

11°C

Humidity 43%
Wind Speed Vrbl 5 mph
Barometer 30.33 in (1027.1 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Wind Chill49°F (9°C)
Last update 3 Feb 1:53 am EST
Extended Forecast for

Key Colony Beach FL

  • Overnight

    Overnight: Mostly clear, with a low around 51. Northeast wind around 10 mph.

    Low: 51 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 65. North wind 5 to 10 mph.

    High: 65 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 59. Northeast wind around 5 mph.

    Low: 59 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 68. Northeast wind 5 to 10 mph.

    High: 68 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 60. Calm wind becoming west around 5 mph after midnight.

    Low: 60 °F

    Partly Cloudy

  • Thursday

    Thursday: A slight chance of showers.  Mostly sunny, with a high near 68. Chance of precipitation is 10%.

    High: 68 °F

    Slight Chance
    Showers

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 51. Breezy.

    Low: 51 °F

    Partly Cloudy
    and Breezy

  • Friday

    Friday: Sunny, with a high near 62.

    High: 62 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 56.

    Low: 56 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 51. Northeast wind around 10 mph.
Tuesday
Sunny, with a high near 65. North wind 5 to 10 mph.
Tuesday Night
Partly cloudy, with a low around 59. Northeast wind around 5 mph.
Wednesday
Mostly sunny, with a high near 68. Northeast wind 5 to 10 mph.
Wednesday Night
Partly cloudy, with a low around 60. Calm wind becoming west around 5 mph after midnight.
Thursday
A slight chance of showers. Mostly sunny, with a high near 68. Chance of precipitation is 10%.
Thursday Night
Partly cloudy, with a low around 51. Breezy.
Friday
Sunny, with a high near 62.
Friday Night
Mostly clear, with a low around 56.
Saturday
Sunny, with a high near 65.
Saturday Night
Mostly clear, with a low around 58.
Sunday
Sunny, with a high near 68.
Sunday Night
Mostly clear, with a low around 60.
Monday
Sunny, with a high near 69.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Key Colony Beach FL
 24.71°N 81.02°W (Elev. 0 ft)
1:15 am EST Feb 3, 2026
1am EST Feb 3, 2026-6pm EST Feb 9, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database