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.

Partly Cloudy

54°F

12°C

Humidity 87%
Wind Speed NE 5 mph
Barometer 29.98 in (1015.2 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Wind Chill53°F (12°C)
Last update 30 Jan 6:52 pm EST
Extended Forecast for

Mayport Naval Station FL

Wind Advisory January 31, 03:00pm until February 1, 07:00am
Freeze Warning January 31, 07:00pm until February 1, 01:00pm
Extreme Cold Warning January 31, 07:00pm until February 1, 01:00pm
Click here for hazard details and duration
Wind Advisory
Freeze Warning
Extreme Cold Warning

  • Tonight

    Tonight: Mostly cloudy, with a low around 45. Calm wind becoming northwest around 6 mph after midnight.

    Low: 45 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 53. Windy, with a west wind 9 to 14 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 34 mph.

    High: 53 °F

    Partly Sunny
    and Windy

  • Saturday Night

    Saturday Night: A 20 percent chance of snow showers before 1am. Mostly cloudy, then gradually becoming mostly clear, with a low around 24. Wind chill values as low as 10. Very windy, with a northwest wind 23 to 28 mph, with gusts as high as 39 mph.

    Low: 24 °F

    Slight Chance
    Snow Showers
    and Very
    Windy

  • Sunday

    Sunday: Sunny, with a high near 42. Wind chill values as low as 9. Windy, with a northwest wind 14 to 20 mph, with gusts as high as 28 mph.

    High: 42 °F

    Sunny and
    Windy

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 29. Northwest wind around 10 mph.

    Low: 29 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 51.

    High: 51 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 34.

    Low: 34 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 58.

    High: 58 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 41.

    Low: 41 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 45. Calm wind becoming northwest around 6 mph after midnight.
Saturday
Partly sunny, with a high near 53. Windy, with a west wind 9 to 14 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 34 mph.
Saturday Night
A 20 percent chance of snow showers before 1am. Mostly cloudy, then gradually becoming mostly clear, with a low around 24. Wind chill values as low as 10. Very windy, with a northwest wind 23 to 28 mph, with gusts as high as 39 mph.
Sunday
Sunny, with a high near 42. Wind chill values as low as 9. Windy, with a northwest wind 14 to 20 mph, with gusts as high as 28 mph.
Sunday Night
Mostly clear, with a low around 29. Northwest wind around 10 mph.
Monday
Sunny, with a high near 51.
Monday Night
Mostly clear, with a low around 34.
Tuesday
Mostly sunny, with a high near 58.
Tuesday Night
Partly cloudy, with a low around 41.
Wednesday
Mostly sunny, with a high near 65.
Wednesday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 45.
Thursday
A 20 percent chance of showers. Mostly sunny, with a high near 57.
Thursday Night
Mostly clear, with a low around 37.
Friday
Sunny, with a high near 59.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mayport Naval Station FL
 30.41°N 81.43°W
Last Update:
2:42 pm EST Jan 30, 2026
Forecast Valid:
7pm EST Jan 30, 2026-6pm EST Feb 6, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation