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

Prolonged Extreme Cold; Eastern U.S. Winter Storm

A powerful Arctic blast will bring dangerously cold, record low temperatures to the Gulf Coast, upper Ohio Valley, Mid-Atlantic, and Southeast U.S. into this weekend. A rapidly deepening storm centered just off the North Carolina coast Friday night through Saturday night will produce widespread heavy snow and wind from the southern Appalachians across the Carolinas and southern Virginia. Read More >

Current conditions at

Miami, Miami International Airport (KMIA)

Lat: 25.79°NLon: 80.32°WElev: 10ft.

Mostly Cloudy

61°F

16°C

Humidity 75%
Wind Speed Calm
Barometer 30.06 in (1017.9 mb)
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Last update 30 Jan 5:53 am EST
Extended Forecast for

Key Biscayne FL

  • Today

    Today: A 50 percent chance of showers, mainly between 7am and 4pm. Mostly cloudy, with a high near 71. East wind 7 to 9 mph becoming north in the afternoon. New precipitation amounts of less than a tenth of an inch possible.

    High: 71 °F

    Slight Chance
    Showers then
    Chance
    Showers

  • Tonight

    Tonight: A slight chance of showers between 7pm and 11pm. Cloudy, then gradually becoming partly cloudy, with a low around 61. Northwest wind 8 to 11 mph. Chance of precipitation is 20%.

    Low: 61 °F

    Slight Chance
    Showers then
    Partly Cloudy

  • Saturday

    Saturday: A 20 percent chance of showers. Partly sunny, with a high near 68. Windy, with a west wind 11 to 16 mph increasing to 21 to 26 mph in the afternoon. Winds could gust as high as 32 mph.

    High: 68 °F

    Slight Chance
    Showers and
    Windy

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 40. Wind chill values as low as 29. Windy, with a west wind 34 to 38 mph, with gusts as high as 41 mph.

    Low: 40 °F

    Partly Cloudy
    and Windy

  • Sunday

    Sunday: Sunny, with a high near 54. Windy, with a northwest wind 28 to 33 mph decreasing to 21 to 26 mph in the afternoon. Winds could gust as high as 36 mph.

    High: 54 °F

    Sunny and
    Windy

  • Sunday Night

    Sunday Night: Clear, with a low around 42. Windy, with a northwest wind 21 to 23 mph.

    Low: 42 °F

    Clear and
    Windy

  • Monday

    Monday: Sunny, with a high near 59. Windy, with a northwest wind 17 to 22 mph.

    High: 59 °F

    Sunny and
    Windy

  • Monday Night

    Monday Night: Mostly clear, with a low around 50. North wind around 15 mph, with gusts as high as 22 mph.

    Low: 50 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 67. North wind 9 to 15 mph, with gusts as high as 21 mph.

    High: 67 °F

    Sunny

Detailed Forecast

Today
A 50 percent chance of showers, mainly between 7am and 4pm. Mostly cloudy, with a high near 71. East wind 7 to 9 mph becoming north in the afternoon. New precipitation amounts of less than a tenth of an inch possible.
Tonight
A slight chance of showers between 7pm and 11pm. Cloudy, then gradually becoming partly cloudy, with a low around 61. Northwest wind 8 to 11 mph. Chance of precipitation is 20%.
Saturday
A 20 percent chance of showers. Partly sunny, with a high near 68. Windy, with a west wind 11 to 16 mph increasing to 21 to 26 mph in the afternoon. Winds could gust as high as 32 mph.
Saturday Night
Partly cloudy, with a low around 40. Wind chill values as low as 29. Windy, with a west wind 34 to 38 mph, with gusts as high as 41 mph.
Sunday
Sunny, with a high near 54. Windy, with a northwest wind 28 to 33 mph decreasing to 21 to 26 mph in the afternoon. Winds could gust as high as 36 mph.
Sunday Night
Clear, with a low around 42. Windy, with a northwest wind 21 to 23 mph.
Monday
Sunny, with a high near 59. Windy, with a northwest wind 17 to 22 mph.
Monday Night
Mostly clear, with a low around 50. North wind around 15 mph, with gusts as high as 22 mph.
Tuesday
Sunny, with a high near 67. North wind 9 to 15 mph, with gusts as high as 21 mph.
Tuesday Night
Mostly cloudy, with a low around 60.
Wednesday
Partly sunny, with a high near 71.
Wednesday Night
Partly cloudy, with a low around 62.
Thursday
Sunny, with a high near 74.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Key Biscayne FL
 25.69°N 80.17°W
Last Update:
3:27 am EST Jan 30, 2026
Forecast Valid:
6am EST Jan 30, 2026-6pm EST Feb 5, 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