Winter Weather in the Eastern U.S.; Heavy Rains Begin Across the Southern Plains into the Ohio Valley

A wintry mix may impact travel across portions of the Mid-Atlantic through the morning and the Northeast U.S. through Tuesday. Heavy rain and thunderstorms may cause a flooding threat across the Southern Plains into the Ohio Valley beginning Tuesday. Fire weather concerns will continue across portions of the central and southern High Plains through Wednesday. Read More >

Current conditions at

The Florida Keys - Marathon International Airport (KMTH)

Lat: 24.73°NLon: 81.05°WElev: 13ft.

Partly Cloudy

75°F

24°C

Humidity 84%
Wind Speed NE 12 G 20 mph
Barometer 30.13 in (1020.2 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Last update 2 Mar 9:53 pm EST
Extended Forecast for

Big Pine Key FL

  • Tonight

    Tonight: A slight chance of showers.  Partly cloudy, with a low around 70. East wind around 15 mph.  Chance of precipitation is 10%.

    Low: 70 °F

    Slight Chance
    Showers

  • Tuesday

    Tuesday: A slight chance of showers.  Sunny, with a high near 81. East wind 10 to 15 mph.  Chance of precipitation is 10%.

    High: 81 °F

    Slight Chance
    Showers

  • Tuesday Night

    Tuesday Night: A slight chance of showers.  Mostly clear, with a low around 70. East wind around 15 mph.  Chance of precipitation is 20%.

    Low: 70 °F

    Slight Chance
    Showers

  • Wednesday

    Wednesday: A slight chance of showers.  Sunny, with a high near 81. East wind around 15 mph.  Chance of precipitation is 20%.

    High: 81 °F

    Slight Chance
    Showers

  • Wednesday Night

    Wednesday Night: A slight chance of showers.  Partly cloudy, with a low around 71. East wind around 15 mph.  Chance of precipitation is 20%.

    Low: 71 °F

    Slight Chance
    Showers

  • Thursday

    Thursday: A slight chance of showers.  Mostly sunny, with a high near 82. Chance of precipitation is 20%.

    High: 82 °F

    Slight Chance
    Showers

  • Thursday Night

    Thursday Night: A slight chance of showers.  Partly cloudy, with a low around 72. Chance of precipitation is 20%.

    Low: 72 °F

    Slight Chance
    Showers

  • Friday

    Friday: A slight chance of showers.  Mostly sunny, with a high near 82. Chance of precipitation is 20%.

    High: 82 °F

    Slight Chance
    Showers

  • Friday Night

    Friday Night: A slight chance of showers.  Mostly cloudy, with a low around 71. Chance of precipitation is 20%.

    Low: 71 °F

    Slight Chance
    Showers

Detailed Forecast

Tonight
A slight chance of showers. Partly cloudy, with a low around 70. East wind around 15 mph. Chance of precipitation is 10%.
Tuesday
A slight chance of showers. Sunny, with a high near 81. East wind 10 to 15 mph. Chance of precipitation is 10%.
Tuesday Night
A slight chance of showers. Mostly clear, with a low around 70. East wind around 15 mph. Chance of precipitation is 20%.
Wednesday
A slight chance of showers. Sunny, with a high near 81. East wind around 15 mph. Chance of precipitation is 20%.
Wednesday Night
A slight chance of showers. Partly cloudy, with a low around 71. East wind around 15 mph. Chance of precipitation is 20%.
Thursday
A slight chance of showers. Mostly sunny, with a high near 82. Chance of precipitation is 20%.
Thursday Night
A slight chance of showers. Partly cloudy, with a low around 72. Chance of precipitation is 20%.
Friday
A slight chance of showers. Mostly sunny, with a high near 82. Chance of precipitation is 20%.
Friday Night
A slight chance of showers. Mostly cloudy, with a low around 71. Chance of precipitation is 20%.
Saturday
A chance of showers. Partly sunny, with a high near 81. Chance of precipitation is 30%.
Saturday Night
A slight chance of showers. Mostly cloudy, with a low around 71. Chance of precipitation is 20%.
Sunday
A slight chance of showers. Mostly sunny, with a high near 81. Chance of precipitation is 20%.
Sunday Night
A slight chance of showers. Partly cloudy, with a low around 71. Chance of precipitation is 20%.
Monday
A slight chance of showers. Sunny, with a high near 81. Chance of precipitation is 20%.
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ABOUT THIS FORECAST

 
Point Forecast:
Big Pine Key FL
 24.68°N 81.35°W (Elev. 3 ft)
9:15 pm EST Mar 2, 2026
10pm EST Mar 2, 2026-6pm EDT Mar 9, 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