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

58°F

14°C

Humidity 87%
Wind Speed S 6 mph
Barometer 30.05 in (1017.5 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 17 Jan 11:52 pm 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

  • Overnight

    Overnight: A 30 percent chance of showers, mainly after 3am. Cloudy, with a low around 49. Southwest wind around 6 mph becoming northwest.

    Low: 49 °F

    Chance
    Showers

  • Sunday

    Sunday: Showers, mainly before 1pm. Temperature falling to around 44 by 5pm. Breezy, with a northwest wind 11 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 50 °F⇓

    Showers and
    Breezy

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 32. Northwest wind 7 to 10 mph.

    Low: 32 °F

    Mostly Clear

  • M.L.King Day

    M.L.King Day: Sunny, with a high near 54. Wind chill values as low as 26 early. Northwest wind around 7 mph.

    High: 54 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 36. Northwest wind 5 to 7 mph.

    Low: 36 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 54.

    High: 54 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 43.

    Low: 43 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 61.

    High: 61 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Cloudy, with a low around 50.

    Low: 50 °F

    Cloudy

Detailed Forecast

Overnight
A 30 percent chance of showers, mainly after 3am. Cloudy, with a low around 49. Southwest wind around 6 mph becoming northwest.
Sunday
Showers, mainly before 1pm. Temperature falling to around 44 by 5pm. Breezy, with a northwest wind 11 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Sunday Night
Mostly clear, with a low around 32. Northwest wind 7 to 10 mph.
M.L.King Day
Sunny, with a high near 54. Wind chill values as low as 26 early. Northwest wind around 7 mph.
Monday Night
Mostly clear, with a low around 36. Northwest wind 5 to 7 mph.
Tuesday
Mostly sunny, with a high near 54.
Tuesday Night
Partly cloudy, with a low around 43.
Wednesday
Partly sunny, with a high near 61.
Wednesday Night
Cloudy, with a low around 50.
Thursday
A 30 percent chance of showers, mainly after 1pm. Cloudy, with a high near 62.
Thursday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 49.
Friday
Mostly sunny, with a high near 63.
Friday Night
Partly cloudy, with a low around 52.
Saturday
Partly sunny, with a high near 68.
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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:
8:56 pm EST Jan 17, 2026
Forecast Valid:
12am EST Jan 18, 2026-6pm EST Jan 24, 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