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

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

Lat: 30.4°NLon: 81.42°WElev: 13ft.

Fair

65°F

18°C

Humidity 97%
Wind Speed S 5 mph
Barometer 30.12 in (1019.9 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 10 Jan 7:52 pm EST
Extended Forecast for

Fernandina Beach FL

  • Tonight

    Tonight: A 10 percent chance of showers after 5am. Mostly clear, with a low around 60. Southwest wind around 7 mph.

    Low: 60 °F

    Mostly Clear
    then Slight
    Chance
    Showers

  • Sunday

    Sunday: A 40 percent chance of showers, mainly before noon. Partly sunny, with a high near 66. West wind 6 to 13 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph.

    High: 66 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 41. North wind around 11 mph, with gusts as high as 17 mph.

    Low: 41 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 54. North wind around 10 mph, with gusts as high as 16 mph.

    High: 54 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 43. North wind around 6 mph.

    Low: 43 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 59.

    High: 59 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 46.

    Low: 46 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Wednesday

    Wednesday: A 50 percent chance of showers. Mostly cloudy, with a high near 60.

    High: 60 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 44.

    Low: 44 °F

    Chance
    Showers

Detailed Forecast

Tonight
A 10 percent chance of showers after 5am. Mostly clear, with a low around 60. Southwest wind around 7 mph.
Sunday
A 40 percent chance of showers, mainly before noon. Partly sunny, with a high near 66. West wind 6 to 13 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph.
Sunday Night
Mostly cloudy, with a low around 41. North wind around 11 mph, with gusts as high as 17 mph.
Monday
Partly sunny, with a high near 54. North wind around 10 mph, with gusts as high as 16 mph.
Monday Night
Partly cloudy, with a low around 43. North wind around 6 mph.
Tuesday
Sunny, with a high near 59.
Tuesday Night
A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 46.
Wednesday
A 50 percent chance of showers. Mostly cloudy, with a high near 60.
Wednesday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 44.
Thursday
A 40 percent chance of showers. Mostly sunny, with a high near 56.
Thursday Night
Mostly clear, with a low around 35.
Friday
Sunny, with a high near 56.
Friday Night
Mostly clear, with a low around 41.
Saturday
Sunny, with a high near 61.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Fernandina Beach FL
 30.67°N 81.45°W
Last Update:
6:17 pm EST Jan 10, 2026
Forecast Valid:
8pm EST Jan 10, 2026-6pm EST Jan 17, 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