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

Hazardous Weather Conditions

Current conditions at

Mayport Naval Station - Adm David L. McDonald Field (KNRB)

Lat: 30.4°NLon: 81.42°WElev: 13ft.

Fair

47°F

8°C

Humidity 41%
Wind Speed NE 7 mph
Barometer 30.22 in (1023.1 mb)
Dewpoint 24°F (-4°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 16 Jan 12:52 pm EST
Extended Forecast for

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. Calm 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 66. South wind around 7 mph.

    High: 66 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 40 percent chance of showers after 1am. Mostly cloudy, with a low around 42. Calm wind becoming northwest around 6 mph after midnight.

    Low: 42 °F

    Mostly Cloudy
    then Chance
    Showers

  • Sunday

    Sunday: Showers, mainly before 1pm. High near 52. Northwest wind 9 to 11 mph, with gusts as high as 18 mph. Chance of precipitation is 90%.

    High: 52 °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 53.

    High: 53 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 36.

    Low: 36 °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. Calm 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 66. South wind around 7 mph.
Saturday Night
A 40 percent chance of showers after 1am. Mostly cloudy, with a low around 42. Calm wind becoming northwest around 6 mph after midnight.
Sunday
Showers, mainly before 1pm. High near 52. Northwest wind 9 to 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 53.
Monday Night
Mostly clear, with a low around 36.
Tuesday
Mostly sunny, with a high near 53.
Tuesday Night
Mostly cloudy, with a low around 39.
Wednesday
Partly sunny, with a high near 58.
Wednesday Night
Mostly cloudy, with a low around 48.
Thursday
A 20 percent chance of showers. Mostly cloudy, with a high near 64.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Fernandina Beach FL
 30.67°N 81.45°W
Last Update:
12:26 pm EST Jan 16, 2026
Forecast Valid:
12pm EST Jan 16, 2026-6pm EST Jan 22, 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