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

Arctic Cold Air Outbreak this Weekend - Subfreezing Temperatures and Dangerous Wind Chills

An outbreak of Arctic air will arrive across southeast GA, northeast and north central FL on Saturday. Record cold temperatures, gale conditions on the coastal waters, and life-threatening wind chill values are expected Saturday night and Sunday morning. Take proper precautions to protect yourself, your pets, and vulnerable people from this dangerously cold weather. Read More >

Hazardous Weather Conditions

Current conditions at

Mayport Naval Station - Adm David L. McDonald Field (KNRB)

Lat: 30.4°NLon: 81.42°WElev: 13ft.

Mostly Cloudy

51°F

11°C

Humidity 54%
Wind Speed E 9 mph
Barometer 30.18 in (1022.0 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Wind Chill48°F (9°C)
Last update 29 Jan 5:52 pm EST
Extended Forecast for

Jacksonville Beach FL

Freeze Watch January 31, 07:00pm until February 1, 01:00pm
Extreme Cold Watch January 31, 07:00pm until February 1, 01:00pm
Click here for hazard details and duration
Freeze Watch
Extreme Cold Watch

  • Tonight

    Tonight: Partly cloudy, with a steady temperature around 50. Northeast wind 3 to 8 mph.

    Low: 50 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 60. North wind 3 to 8 mph.

    High: 60 °F

    Sunny

  • Friday Night

    Friday Night: A 20 percent chance of showers. Mostly cloudy, with a low around 46. Northeast wind 5 to 11 mph becoming northwest after midnight.

    Low: 46 °F

    Slight Chance
    Showers

  • Saturday

    Saturday: A 20 percent chance of showers after 1pm. Partly sunny, with a temperature rising to near 49 by 9am, then falling to around 43 during the remainder of the day. Very windy, with a west wind 20 to 25 mph increasing to 29 to 34 mph in the afternoon. Winds could gust as high as 38 mph.

    High: 49 °F⇓

    Very Windy.
    Partly Sunny
    then Slight
    Chance
    Showers

  • Saturday Night

    Saturday Night: A 20 percent chance of snow showers before 1am. Partly cloudy, with a low around 26. Strong and damaging winds, with a northwest wind 43 to 46 mph, with gusts as high as 49 mph.

    Low: 26 °F

    Slight Chance
    Snow Showers
    and Damaging
    Winds

  • Sunday

    Sunday: Sunny, with a high near 40. Very windy.

    High: 40 °F

    Sunny and
    Very Windy

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 31. Very windy.

    Low: 31 °F

    Mostly Clear
    and Very
    Windy

  • Monday

    Monday: Sunny, with a high near 48. Breezy.

    High: 48 °F

    Sunny and
    Breezy

  • Monday Night

    Monday Night: Mostly clear, with a low around 37.

    Low: 37 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a steady temperature around 50. Northeast wind 3 to 8 mph.
Friday
Sunny, with a high near 60. North wind 3 to 8 mph.
Friday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 46. Northeast wind 5 to 11 mph becoming northwest after midnight.
Saturday
A 20 percent chance of showers after 1pm. Partly sunny, with a temperature rising to near 49 by 9am, then falling to around 43 during the remainder of the day. Very windy, with a west wind 20 to 25 mph increasing to 29 to 34 mph in the afternoon. Winds could gust as high as 38 mph.
Saturday Night
A 20 percent chance of snow showers before 1am. Partly cloudy, with a low around 26. Strong and damaging winds, with a northwest wind 43 to 46 mph, with gusts as high as 49 mph.
Sunday
Sunny, with a high near 40. Very windy.
Sunday Night
Mostly clear, with a low around 31. Very windy.
Monday
Sunny, with a high near 48. Breezy.
Monday Night
Mostly clear, with a low around 37.
Tuesday
Sunny, with a high near 53.
Tuesday Night
Mostly clear, with a low around 43.
Wednesday
Mostly sunny, with a high near 59.
Wednesday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 49.
Thursday
A 30 percent chance of showers. Partly sunny, with a high near 57. Breezy.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Jacksonville Beach FL
 30.3°N 81.39°W
Last Update:
12:27 pm EST Jan 29, 2026
Forecast Valid:
6pm EST Jan 29, 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