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

84°F

29°C

Humidity 67%
Wind Speed E 13 mph
Barometer 30.03 in (1016.8 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index90°F (32°C)
Last update 21 May 3:52 pm EDT
Extended Forecast for

Atlantic Beach FL

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 85. East wind around 11 mph, with gusts as high as 15 mph.

    High: 85 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 74. Southeast wind 8 to 13 mph.

    Low: 74 °F

    Partly Cloudy

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 86. Breezy, with a southeast wind 6 to 16 mph, with gusts as high as 21 mph.

    High: 86 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms and
    Breezy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 75. Breezy, with a southeast wind 9 to 17 mph.

    Low: 75 °F

    Mostly Cloudy
    and Breezy
    then Mostly
    Cloudy

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 86. Breezy, with a southeast wind 7 to 17 mph.

    High: 86 °F

    Mostly Sunny
    then Chance
    T-storms and
    Breezy

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Mostly cloudy, with a low around 76. Chance of precipitation is 30%.

    Low: 76 °F

    Chance
    T-storms then
    Slight Chance
    Showers

  • Sunday

    Sunday: A chance of showers between 8am and 11am, then a chance of showers and thunderstorms after 11am. Partly sunny, with a high near 86. Breezy. Chance of precipitation is 30%.

    High: 86 °F

    Chance
    Showers then
    Chance
    T-storms and
    Breezy

  • Sunday Night

    Sunday Night: A chance of thunderstorms before 8pm. Mostly cloudy, with a low around 77. Breezy. Chance of precipitation is 30%.

    Low: 77 °F

    Chance
    T-storms and
    Breezy then
    Mostly Cloudy

  • Memorial Day

    Memorial Day: A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 84. Windy.

    High: 84 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms and
    Windy

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 85. East wind around 11 mph, with gusts as high as 15 mph.
Tonight
Partly cloudy, with a low around 74. Southeast wind 8 to 13 mph.
Friday
A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 86. Breezy, with a southeast wind 6 to 16 mph, with gusts as high as 21 mph.
Friday Night
Mostly cloudy, with a low around 75. Breezy, with a southeast wind 9 to 17 mph.
Saturday
A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 86. Breezy, with a southeast wind 7 to 17 mph.
Saturday Night
A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Mostly cloudy, with a low around 76. Chance of precipitation is 30%.
Sunday
A chance of showers between 8am and 11am, then a chance of showers and thunderstorms after 11am. Partly sunny, with a high near 86. Breezy. Chance of precipitation is 30%.
Sunday Night
A chance of thunderstorms before 8pm. Mostly cloudy, with a low around 77. Breezy. Chance of precipitation is 30%.
Memorial Day
A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 84. Windy.
Monday Night
A 10 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 77. Windy.
Tuesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 85. Breezy.
Tuesday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 76. Breezy.
Wednesday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 84.
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ABOUT THIS FORECAST

 
Point Forecast:
Atlantic Beach FL
 30.34°N 81.41°W
Last Update:
2:21 pm EDT May 21, 2026
Forecast Valid:
3pm EDT May 21, 2026-6pm EDT May 27, 2026
 
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Additional Resources

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National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation