Heavy Lake Effect Snow; Subfreezing Temperatures in the Eastern U.S.

A multi-day heavy lake effect snow event is expected downwind of Lakes Erie and Ontario through New Year's Day. The Arctic front will continue to bring increasing winds to the Northeast that will remain gusty. Subfreezing overnight low temperatures will be found as far south as the Gulf Coast. Read More >

Current conditions at

Key West International Airport (KEYW)

Lat: 24.56°NLon: 81.76°WElev: 3ft.

Fair

70°F

21°C

Humidity 100%
Wind Speed NW 6 mph
Barometer 30.00 in (1016.5 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Last update 30 Dec 2:53 am EST
Extended Forecast for

Key West FL

  • Overnight

    Overnight: Mostly clear, with a low around 65. Northwest wind 5 to 10 mph.

    Low: 65 °F

    Mostly Clear

  • Tuesday

    Tuesday: A slight chance of showers between 7am and 1pm.  Mostly sunny, with a high near 71. Breezy, with a north wind 10 to 20 mph.  Chance of precipitation is 20%.

    High: 71 °F

    Slight Chance
    Showers and
    Breezy

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 57. Breezy, with a north wind 15 to 20 mph.

    Low: 57 °F

    Mostly Clear
    and Breezy
    then Mostly
    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 65. North wind around 15 mph.

    High: 65 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 57. North wind 10 to 15 mph.

    Low: 57 °F

    Partly Cloudy

  • New Year's Day

    New Year's Day: Mostly sunny, with a high near 69.

    High: 69 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 61.

    Low: 61 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 71.

    High: 71 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 65.

    Low: 65 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 65. Northwest wind 5 to 10 mph.
Tuesday
A slight chance of showers between 7am and 1pm. Mostly sunny, with a high near 71. Breezy, with a north wind 10 to 20 mph. Chance of precipitation is 20%.
Tuesday Night
Mostly clear, with a low around 57. Breezy, with a north wind 15 to 20 mph.
Wednesday
Sunny, with a high near 65. North wind around 15 mph.
Wednesday Night
Partly cloudy, with a low around 57. North wind 10 to 15 mph.
New Year's Day
Mostly sunny, with a high near 69.
Thursday Night
Mostly clear, with a low around 61.
Friday
Sunny, with a high near 71.
Friday Night
Mostly clear, with a low around 65.
Saturday
Sunny, with a high near 75.
Saturday Night
Mostly clear, with a low around 67.
Sunday
Sunny, with a high near 76.
Sunday Night
Mostly clear, with a low around 68.
Monday
Sunny, with a high near 76.
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ABOUT THIS FORECAST

 
Point Forecast:
Key West FL
 24.55°N 81.77°W (Elev. 7 ft)
3:15 am EST Dec 30, 2025
3am EST Dec 30, 2025-6pm EST Jan 5, 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