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

Dangerously Cold Tonight - Click "Read More" for Briefing

A freeze warning is in effect tonight through Friday morning for all of southeast GA and northeast FL. A hard freeze is expected inland with a coastal freeze. Take actions now to protect plants, pets, pipes, and people! 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

39°F

4°C

Humidity 45%
Wind Speed NW 10 mph
Barometer 30.07 in (1018.2 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 15 Jan 10:52 pm EST
Extended Forecast for

3 Miles S Fernandina Beach FL

Cold Weather Advisory January 16, 04:00am until January 16, 09:00am
Freeze Warning until January 16, 09:00am
Click here for hazard details and duration
...
Freeze Warning
  •  
    Freeze Warning until January 16, 09:00am

    NOW until 9:00am Fri

    Freeze Warning

  • Tonight

    Low: 31 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 53. Wind chill values as low as 28 early. Light and variable wind.

    High: 53 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 42. South wind 3 to 6 mph.

    Low: 42 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 66. South wind around 7 mph.

    High: 66 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 40 percent chance of showers, mainly after 1am. Mostly cloudy, with a low around 44. Light and variable wind becoming northwest 5 to 7 mph after midnight.

    Low: 44 °F

    Chance
    Showers

  • Sunday

    Sunday: Showers likely, mainly before 1pm. Mostly cloudy, with a high near 52. Chance of precipitation is 70%.

    High: 52 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: Patchy frost after 1am. Otherwise, mostly clear, with a low around 31.

    Low: 31 °F

    Mostly Clear
    then Patchy
    Frost

  • M.L.King Day

    M.L.King Day: Patchy frost before 8am. Otherwise, sunny, with a high near 53.

    High: 53 °F

    Patchy Frost
    then Sunny

Detailed Forecast

Tonight
Mostly clear, with a low around 31. Northwest wind 6 to 11 mph, with gusts as high as 18 mph.
Friday
Sunny, with a high near 53. Wind chill values as low as 28 early. Light and variable wind.
Friday Night
Mostly clear, with a low around 42. South wind 3 to 6 mph.
Saturday
Mostly sunny, with a high near 66. South wind around 7 mph.
Saturday Night
A 40 percent chance of showers, mainly after 1am. Mostly cloudy, with a low around 44. Light and variable wind becoming northwest 5 to 7 mph after midnight.
Sunday
Showers likely, mainly before 1pm. Mostly cloudy, with a high near 52. Chance of precipitation is 70%.
Sunday Night
Patchy frost after 1am. Otherwise, mostly clear, with a low around 31.
M.L.King Day
Patchy frost before 8am. Otherwise, sunny, with a high near 53.
Monday Night
Mostly clear, with a low around 35.
Tuesday
Mostly sunny, with a high near 52.
Tuesday Night
Partly cloudy, with a low around 38.
Wednesday
Mostly sunny, with a high near 58.
Wednesday Night
Mostly cloudy, with a low around 47.
Thursday
Mostly cloudy, with a high near 62.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles S Fernandina Beach FL
 30.6°N 81.46°W
Last Update:
10:26 pm EST Jan 15, 2026
Forecast Valid:
11pm EST Jan 15, 2026-6pm EST Jan 22, 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

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Chance of Precipitation