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

69°F

21°C

Humidity 96%
Wind Speed Calm
Barometer 30.01 in (1016.2 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Last update 18 Sep 2:52 am EDT
Extended Forecast for

Atlantic Beach FL

  • Overnight

    Overnight: Mostly clear, with a low around 71. South wind around 6 mph.

    Low: 71 °F

    Mostly Clear

  • Thursday

    Thursday: Patchy fog between 8am and 9am. Otherwise, mostly sunny, with a high near 86. Northwest wind 5 to 13 mph becoming east in the afternoon. Winds could gust as high as 20 mph.

    High: 86 °F

    Patchy Fog
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 72. East wind 6 to 11 mph, with gusts as high as 17 mph.

    Low: 72 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 84. Northeast wind 7 to 14 mph, with gusts as high as 21 mph.

    High: 84 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 74. Northeast wind 6 to 10 mph, with gusts as high as 16 mph.

    Low: 74 °F

    Mostly Clear

  • Saturday

    Saturday: A slight chance of showers, then a chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 83. Breezy. Chance of precipitation is 30%.

    High: 83 °F

    Chance
    T-storms and
    Breezy

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 75.

    Low: 75 °F

    Chance
    T-storms then
    Mostly Clear

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 82. Breezy.

    High: 82 °F

    Chance
    T-storms and
    Breezy

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before 8pm, then a slight chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 75. Chance of precipitation is 30%.

    Low: 75 °F

    Chance
    T-storms

Detailed Forecast

Overnight
Mostly clear, with a low around 71. South wind around 6 mph.
Thursday
Patchy fog between 8am and 9am. Otherwise, mostly sunny, with a high near 86. Northwest wind 5 to 13 mph becoming east in the afternoon. Winds could gust as high as 20 mph.
Thursday Night
Partly cloudy, with a low around 72. East wind 6 to 11 mph, with gusts as high as 17 mph.
Friday
Sunny, with a high near 84. Northeast wind 7 to 14 mph, with gusts as high as 21 mph.
Friday Night
Mostly clear, with a low around 74. Northeast wind 6 to 10 mph, with gusts as high as 16 mph.
Saturday
A slight chance of showers, then a chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 83. Breezy. Chance of precipitation is 30%.
Saturday Night
A 30 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 75.
Sunday
A 30 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 82. Breezy.
Sunday Night
A chance of showers and thunderstorms before 8pm, then a slight chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 75. Chance of precipitation is 30%.
Monday
A 40 percent chance of showers and thunderstorms, mainly after 8am. Partly sunny, with a high near 83.
Monday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 74.
Tuesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 85.
Tuesday Night
A chance of thunderstorms. Partly cloudy, with a low around 74. Chance of precipitation is 30%.
Wednesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 87.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Atlantic Beach FL
 30.34°N 81.41°W
Last Update:
1:26 am EDT Sep 18, 2025
Forecast Valid:
3am EDT Sep 18, 2025-6pm EDT Sep 24, 2025
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation