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 38%
Wind Speed E 7 mph
Barometer 30.24 in (1023.9 mb)
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Wind Chill42°F (6°C)
Last update 16 Jan 11:52 am EST
Extended Forecast for

3 Miles S Fernandina Beach FL

Freeze Watch January 19, 12:00am until January 19, 09:00am
Click here for hazard details and duration
Freeze Watch
  • This Afternoon

    This Afternoon: Sunny, with a high near 53. Light and variable wind becoming southeast around 5 mph.

    High: 53 °F

    Sunny

  • Tonight

    Tonight: 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 67. South wind around 7 mph.

    High: 67 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 40 percent chance of showers after 1am.  Mostly cloudy, with a low around 42. Light and variable wind becoming northwest 5 to 7 mph after midnight.

    Low: 42 °F

    Mostly Cloudy
    then Chance
    Showers

  • Sunday

    Sunday: Showers, mainly before 1pm.  High near 53. Northwest wind around 11 mph, with gusts as high as 18 mph.  Chance of precipitation is 90%.

    High: 53 °F

    Showers

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 32.

    Low: 32 °F

    Mostly Clear

  • M.L.King Day

    M.L.King Day: Sunny, with a high near 54.

    High: 54 °F

    Sunny

  • Monday Night

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

    Low: 37 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 53.

    High: 53 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 53. Light and variable wind becoming southeast around 5 mph.
Tonight
Mostly clear, with a low around 42. South wind 3 to 6 mph.
Saturday
Mostly sunny, with a high near 67. South wind around 7 mph.
Saturday Night
A 40 percent chance of showers after 1am. Mostly cloudy, with a low around 42. Light and variable wind becoming northwest 5 to 7 mph after midnight.
Sunday
Showers, mainly before 1pm. High near 53. Northwest wind around 11 mph, with gusts as high as 18 mph. Chance of precipitation is 90%.
Sunday Night
Mostly clear, with a low around 32.
M.L.King Day
Sunny, with a high near 54.
Monday Night
Mostly clear, with a low around 37.
Tuesday
Mostly sunny, with a high near 53.
Tuesday Night
Mostly cloudy, with a low around 40.
Wednesday
Partly sunny, with a high near 60.
Wednesday Night
Mostly cloudy, with a low around 49.
Thursday
A 20 percent chance of showers. Mostly cloudy, with a high near 65.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles S Fernandina Beach FL
 30.6°N 81.46°W
12:26 pm EST Jan 16, 2026
12pm EST Jan 16, 2026-6pm EST Jan 22, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database