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

79°F

26°C

Humidity 85%
Wind Speed S 8 mph
Barometer 30.07 in (1018.2 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 11 Aug 8:52 am EDT
Extended Forecast for

Atlantic Beach FL

  • Today

    Today: A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 89. Heat index values as high as 102. Breezy, with a southeast wind 11 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 30%.

    High: 89 °F

    Slight Chance
    Showers then
    Chance
    T-storms and
    Breezy

  • Tonight

    Tonight: A chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and 2am. Mostly cloudy, with a low around 78. Breezy, with a south wind 10 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 30%.

    Low: 78 °F

    Chance
    T-storms and
    Breezy then
    Slight Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers between 8am and 11am, then a chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 90. Heat index values as high as 105. Southeast wind 6 to 11 mph, with gusts as high as 17 mph. Chance of precipitation is 40%.

    High: 90 °F

    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 78. Southeast wind 6 to 10 mph, with gusts as high as 16 mph.

    Low: 78 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A slight chance of showers, then a chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 91. Southwest wind 5 to 8 mph becoming east in the afternoon. Chance of precipitation is 40%.

    High: 91 °F

    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Partly cloudy, with a low around 78. Chance of precipitation is 30%.

    Low: 78 °F

    Chance
    T-storms then
    Slight Chance
    Showers

  • Thursday

    Thursday: A slight chance of thunderstorms, then a chance of showers and thunderstorms after 8am. Mostly sunny, with a high near 92. Chance of precipitation is 40%.

    High: 92 °F

    Chance
    T-storms

  • Thursday Night

    Thursday Night: A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 79.

    Low: 79 °F

    Chance
    T-storms

  • Friday

    Friday: A 40 percent chance of showers and thunderstorms after 8am. Mostly sunny, with a high near 92.

    High: 92 °F

    Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

Today
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 89. Heat index values as high as 102. Breezy, with a southeast wind 11 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 30%.
Tonight
A chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and 2am. Mostly cloudy, with a low around 78. Breezy, with a south wind 10 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 30%.
Tuesday
A chance of showers between 8am and 11am, then a chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 90. Heat index values as high as 105. Southeast wind 6 to 11 mph, with gusts as high as 17 mph. Chance of precipitation is 40%.
Tuesday Night
Partly cloudy, with a low around 78. Southeast wind 6 to 10 mph, with gusts as high as 16 mph.
Wednesday
A slight chance of showers, then a chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 91. Southwest wind 5 to 8 mph becoming east in the afternoon. Chance of precipitation is 40%.
Wednesday Night
A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Partly cloudy, with a low around 78. Chance of precipitation is 30%.
Thursday
A slight chance of thunderstorms, then a chance of showers and thunderstorms after 8am. Mostly sunny, with a high near 92. Chance of precipitation is 40%.
Thursday Night
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 79.
Friday
A 40 percent chance of showers and thunderstorms after 8am. Mostly sunny, with a high near 92.
Friday Night
A chance of showers and thunderstorms before 2am, then a slight chance of showers. Partly cloudy, with a low around 79. Chance of precipitation is 30%.
Saturday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91.
Saturday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 78.
Sunday
Showers and thunderstorms likely. Mostly sunny, with a high near 88. Chance of precipitation is 60%.
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ABOUT THIS FORECAST

 
Point Forecast:
Atlantic Beach FL
 30.34°N 81.41°W
Last Update:
1:36 am EDT Aug 11, 2025
Forecast Valid:
9am EDT Aug 11, 2025-6pm EDT Aug 17, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation