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.

Mostly Cloudy

54°F

12°C

Humidity 75%
Wind Speed NE 10 mph
Barometer 30.23 in (1023.4 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Wind Chill51°F (11°C)
Last update 13 Jan 7:52 am EST
Extended Forecast for

3 Miles S Fernandina Beach FL

  • Today

    Today: Partly sunny, with a high near 58. North wind 8 to 11 mph, with gusts as high as 17 mph.

    High: 58 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 48. Northeast wind around 6 mph becoming light and variable.

    Low: 48 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 40 percent chance of showers, mainly between 10am and 4pm. Cloudy, then gradually becoming mostly sunny, with a high near 62. Light west wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 15 mph.

    High: 62 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A slight chance of showers before 7pm, then a slight chance of showers after 1am. Mostly cloudy, with a low around 48. Southwest wind around 8 mph. Chance of precipitation is 20%.

    Low: 48 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Thursday

    Thursday: Mostly sunny, with a high near 54. Northwest wind 8 to 14 mph, with gusts as high as 21 mph.

    High: 54 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Patchy frost after 1am. Otherwise, mostly clear, with a low around 32.

    Low: 32 °F

    Mostly Clear
    then Patchy
    Frost

  • Friday

    Friday: Patchy frost before 8am. Otherwise, sunny, with a high near 53.

    High: 53 °F

    Patchy Frost
    then Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 41.

    Low: 41 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 64.

    High: 64 °F

    Sunny

Detailed Forecast

Today
Partly sunny, with a high near 58. North wind 8 to 11 mph, with gusts as high as 17 mph.
Tonight
Mostly cloudy, with a low around 48. Northeast wind around 6 mph becoming light and variable.
Wednesday
A 40 percent chance of showers, mainly between 10am and 4pm. Cloudy, then gradually becoming mostly sunny, with a high near 62. Light west wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 15 mph.
Wednesday Night
A slight chance of showers before 7pm, then a slight chance of showers after 1am. Mostly cloudy, with a low around 48. Southwest wind around 8 mph. Chance of precipitation is 20%.
Thursday
Mostly sunny, with a high near 54. Northwest wind 8 to 14 mph, with gusts as high as 21 mph.
Thursday Night
Patchy frost after 1am. Otherwise, mostly clear, with a low around 32.
Friday
Patchy frost before 8am. Otherwise, sunny, with a high near 53.
Friday Night
Mostly clear, with a low around 41.
Saturday
Sunny, with a high near 64.
Saturday Night
Mostly clear, with a low around 41.
Sunday
Sunny, with a high near 56.
Sunday Night
Mostly clear, with a low around 34.
M.L.King Day
Sunny, with a high near 53.
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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:
7:31 am EST Jan 13, 2026
Forecast Valid:
8am EST Jan 13, 2026-6pm EST Jan 19, 2026
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation