Showers and Thunderstorms from the Southern Plains into the Ohio Valley; Record Warmth in the Central U.S.

Heavy rain and widely scattered severe storms are expected over portions of the central and southern Plains into the Ohio Valley. Unseasonable warmth will continue for a few more days across the Midwest, Southeast, and Mid-Atlantic where several daily record highs could fall. Read More >

Current conditions at

The Florida Keys - Marathon International Airport (KMTH)

Lat: 24.73°NLon: 81.05°WElev: 13ft.

A Few Clouds

84°F

29°C

Humidity 77%
Wind Speed E 13 mph
Barometer 30.02 in (1016.3 mb)
Dewpoint 76°F (24°C)
Visibility 10.00 mi
Heat Index93°F (34°C)
Last update 14 Oct 11:53 pm EDT
Extended Forecast for

Key Colony Beach FL

  • Overnight

    Overnight: A chance of showers and thunderstorms.  Mostly clear, with a low around 82. East wind around 15 mph.  Chance of precipitation is 30%.

    Low: 82 °F

    Chance
    Showers

  • Thursday

    Thursday: A chance of showers and thunderstorms.  Sunny, with a high near 89. East wind around 10 mph.  Chance of precipitation is 40%.

    High: 89 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms.  Partly cloudy, with a low around 82. East wind around 15 mph.  Chance of precipitation is 40%.

    Low: 82 °F

    Chance
    Showers

  • Friday

    Friday: A chance of showers and thunderstorms.  Mostly sunny, with a high near 89. East wind around 10 mph.  Chance of precipitation is 40%.

    High: 89 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers and thunderstorms.  Partly cloudy, with a low around 79. East wind around 5 mph.  Chance of precipitation is 50%.

    Low: 79 °F

    Chance
    Showers

  • Saturday

    Saturday: Showers likely and possibly a thunderstorm.  Partly sunny, with a high near 87. Chance of precipitation is 60%.

    High: 87 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm.  Low around 77. Chance of precipitation is 80%.

    Low: 77 °F

    Showers

  • Sunday

    Sunday: Showers and possibly a thunderstorm.  High near 85. Breezy.  Chance of precipitation is 80%.

    High: 85 °F

    Showers and
    Breezy

  • Sunday Night

    Sunday Night: Showers likely and possibly a thunderstorm.  Mostly cloudy, with a low around 78. Windy.  Chance of precipitation is 70%.

    Low: 78 °F

    Showers
    Likely and
    Windy

Detailed Forecast

Overnight
A chance of showers and thunderstorms. Mostly clear, with a low around 82. East wind around 15 mph. Chance of precipitation is 30%.
Thursday
A chance of showers and thunderstorms. Sunny, with a high near 89. East wind around 10 mph. Chance of precipitation is 40%.
Thursday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 82. East wind around 15 mph. Chance of precipitation is 40%.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 89. East wind around 10 mph. Chance of precipitation is 40%.
Friday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 79. East wind around 5 mph. Chance of precipitation is 50%.
Saturday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 87. Chance of precipitation is 60%.
Saturday Night
Showers and possibly a thunderstorm. Low around 77. Chance of precipitation is 80%.
Sunday
Showers and possibly a thunderstorm. High near 85. Breezy. Chance of precipitation is 80%.
Sunday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 78. Windy. Chance of precipitation is 70%.
Monday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 85. Windy. Chance of precipitation is 70%.
Monday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 78. Windy. Chance of precipitation is 60%.
Tuesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 85. Windy. Chance of precipitation is 50%.
Tuesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 78. Breezy. Chance of precipitation is 40%.
Wednesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 85. Breezy. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
Key Colony Beach FL
 24.71°N 81.02°W (Elev. 0 ft)
12:19 am EDT Oct 15, 2026
12am EDT Oct 15, 2026-6pm EDT Oct 21, 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