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

Arctic Cold Air Outbreak All Week Long - Subfreezing Low Temperatures & Dangerous Wind Chill

Widespread freezes begin tonight and will continue through the week, with Freeze Warnings (and Watches) in effect tonight and Tuesday night. Dangerously cold wind chills will accompany the cold arctic air each night this week. 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

33°F

1°C

Humidity 54%
Wind Speed NW 13 G 23 mph
Barometer 30.39 in (1029.0 mb)
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Wind Chill24°F (-4°C)
Last update 27 Jan 3:52 am EST
Extended Forecast for

Mayport Naval Station FL

Freeze Watch January 27, 09:00pm until January 28, 09:00am
Cold Weather Advisory until January 27, 10:00am
Freeze Warning until January 27, 10:00am
Click here for hazard details and duration
Freeze Watch
Cold Weather Advisory
Freeze Warning
  •  
    Cold Weather Advisory until January 27, 10:00am
    Freeze Warning until January 27, 10:00am

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Overnight

    Low: 32 °F

    Clear and
    Breezy

  • Tuesday

    Tuesday: Sunny, with a high near 47. Wind chill values as low as 18 early. Breezy, with a north wind 7 to 15 mph, with gusts as high as 20 mph.

    High: 47 °F

    Sunny and
    Breezy then
    Sunny

  • Tuesday Night

    Tuesday Night: Increasing clouds, with a low around 33. Wind chill values as low as 26. Northwest wind 6 to 10 mph.

    Low: 33 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Mostly sunny, with a high near 55. Wind chill values as low as 25 early. Northwest wind 9 to 11 mph, with gusts as high as 16 mph.

    High: 55 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 35. West wind 9 to 11 mph, with gusts as high as 16 mph.

    Low: 35 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 55.

    High: 55 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 40.

    Low: 40 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 59.

    High: 59 °F

    Partly Sunny

Detailed Forecast

Overnight
Clear, with a steady temperature around 32. Wind chill values as low as 20. Breezy, with a northwest wind around 16 mph, with gusts as high as 22 mph.
Tuesday
Sunny, with a high near 47. Wind chill values as low as 18 early. Breezy, with a north wind 7 to 15 mph, with gusts as high as 20 mph.
Tuesday Night
Increasing clouds, with a low around 33. Wind chill values as low as 26. Northwest wind 6 to 10 mph.
Wednesday
Mostly sunny, with a high near 55. Wind chill values as low as 25 early. Northwest wind 9 to 11 mph, with gusts as high as 16 mph.
Wednesday Night
Mostly clear, with a low around 35. West wind 9 to 11 mph, with gusts as high as 16 mph.
Thursday
Sunny, with a high near 55.
Thursday Night
Mostly cloudy, with a low around 40.
Friday
Partly sunny, with a high near 59.
Friday Night
Showers likely, mainly after 1am. Mostly cloudy, with a low around 38. Breezy. Chance of precipitation is 60%.
Saturday
A 40 percent chance of showers. Partly sunny, with a high near 48. Windy.
Saturday Night
A slight chance of rain and snow showers. Partly cloudy, with a low around 23. Windy. Chance of precipitation is 20%.
Sunday
Sunny, with a high near 41. Windy.
Sunday Night
Mostly clear, with a low around 28.
Monday
Sunny, with a high near 50.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mayport Naval Station FL
 30.39°N 81.43°W
Last Update:
2:52 am EST Jan 27, 2026
Forecast Valid:
4am EST Jan 27, 2026-6pm EST Feb 2, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation