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.

Fair

46°F

8°C

Humidity 73%
Wind Speed NW 3 mph
Barometer 30.24 in (1024.0 mb)
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Last update 28 Jan 9:52 pm EST
Extended Forecast for

Mayport Naval Station FL

Frost Advisory January 29, 02:00am until January 29, 09:00am
Click here for hazard details and duration
Frost Advisory

  • Tonight

    Tonight: Clear, with a low around 35. Wind chill values as low as 27. Northwest wind around 10 mph.

    Low: 35 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 54. Wind chill values as low as 27 early. Northwest wind around 10 mph becoming northeast in the afternoon.

    High: 54 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 43. Northeast wind 3 to 6 mph.

    Low: 43 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 63. Light and variable wind becoming southeast 5 to 8 mph in the morning.

    High: 63 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 43. East wind 6 to 10 mph becoming northwest after midnight.

    Low: 43 °F

    Chance
    Showers

  • Saturday

    Saturday: A 20 percent chance of showers before 1pm. Partly sunny, with a high near 52. Very windy.

    High: 52 °F

    Slight Chance
    Showers and
    Very Windy

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 22. Very windy.

    Low: 22 °F

    Partly Cloudy
    and Very
    Windy

  • Sunday

    Sunday: Sunny, with a high near 41. Very windy.

    High: 41 °F

    Sunny and
    Very Windy

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 27.

    Low: 27 °F

    Mostly Clear

Detailed Forecast

Tonight
Clear, with a low around 35. Wind chill values as low as 27. Northwest wind around 10 mph.
Thursday
Sunny, with a high near 54. Wind chill values as low as 27 early. Northwest wind around 10 mph becoming northeast in the afternoon.
Thursday Night
Mostly cloudy, with a low around 43. Northeast wind 3 to 6 mph.
Friday
Mostly sunny, with a high near 63. Light and variable wind becoming southeast 5 to 8 mph in the morning.
Friday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 43. East wind 6 to 10 mph becoming northwest after midnight.
Saturday
A 20 percent chance of showers before 1pm. Partly sunny, with a high near 52. Very windy.
Saturday Night
Partly cloudy, with a low around 22. Very windy.
Sunday
Sunny, with a high near 41. Very windy.
Sunday Night
Mostly clear, with a low around 27.
Monday
Sunny, with a high near 49.
Monday Night
Mostly clear, with a low around 33.
Tuesday
Sunny, with a high near 55.
Tuesday Night
Mostly clear, with a low around 39.
Wednesday
Sunny, with a high near 60.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mayport Naval Station FL
 30.39°N 81.43°W
Last Update:
6:12 pm EST Jan 28, 2026
Forecast Valid:
10pm EST Jan 28, 2026-6pm EST Feb 4, 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