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

Tracking Areas of Fire Weather, Severe Weather, and Winter Weather

Gusty winds and dry conditions will continue to bring fire weather concerns to the southern Plains through Friday. Severe thunderstorms including a few tornadoes, large hail and damaging wind gusts are expected across parts of the Midwest and lower Ohio Valley today. A Pacific storm will bring low elevation rain and thunderstorms across southern California and heavy snow through the Sierra. Read More >

Current conditions at

The Florida Keys - Marathon International Airport (KMTH)

Lat: 24.73°NLon: 81.05°WElev: 13ft.

Fair

75°F

24°C

Humidity 76%
Wind Speed SE 7 mph
Barometer 29.97 in (1015.0 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Last update 19 Feb 6:53 pm EST
Extended Forecast for

Key Colony Beach FL

  • Tonight

    Tonight: Mostly clear, with a low around 73. Southeast wind around 10 mph.

    Low: 73 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 83. Southeast wind around 5 mph.

    High: 83 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 73. East wind 5 to 10 mph.

    Low: 73 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 83. Southeast wind around 5 mph.

    High: 83 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 72. Southeast wind around 5 mph becoming calm.

    Low: 72 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 59. Windy.

    Low: 59 °F

    Partly Cloudy
    then Partly
    Cloudy and
    Windy

  • Monday

    Monday: Sunny, with a high near 66. Breezy.

    High: 66 °F

    Sunny and
    Breezy then
    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 50. Breezy.

    Low: 50 °F

    Partly Cloudy
    and Breezy

Detailed Forecast

Tonight
Mostly clear, with a low around 73. Southeast wind around 10 mph.
Friday
Sunny, with a high near 83. Southeast wind around 5 mph.
Friday Night
Mostly clear, with a low around 73. East wind 5 to 10 mph.
Saturday
Sunny, with a high near 83. Southeast wind around 5 mph.
Saturday Night
Mostly clear, with a low around 72. Southeast wind around 5 mph becoming calm.
Sunday
Sunny, with a high near 82.
Sunday Night
Partly cloudy, with a low around 59. Windy.
Monday
Sunny, with a high near 66. Breezy.
Monday Night
Partly cloudy, with a low around 50. Breezy.
Tuesday
Sunny, with a high near 64. Breezy.
Tuesday Night
Mostly clear, with a low around 55.
Wednesday
Sunny, with a high near 72.
Wednesday Night
Partly cloudy, with a low around 62.
Thursday
Mostly sunny, with a high near 75.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Key Colony Beach FL
 24.74°N 81.02°W (Elev. 0 ft)
Last Update:
7:15 pm EST Feb 19, 2026
Forecast Valid:
7pm EST Feb 19, 2026-6pm EST Feb 26, 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