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

82°F

28°C

Humidity 85%
Wind Speed S 9 mph
Barometer 30.00 in (1015.8 mb)
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index90°F (32°C)
Last update 13 Aug 10:52 pm EDT
Extended Forecast for

Atlantic Beach FL

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 78. Southwest wind 6 to 8 mph.

    Low: 78 °F

    Slight Chance
    T-storms

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms, mainly after 5pm. Mostly sunny, with a high near 94. Heat index values as high as 105. Southwest wind 7 to 10 mph, with gusts as high as 16 mph.

    High: 94 °F

    Sunny then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 78. South wind 6 to 9 mph becoming west after midnight.

    Low: 78 °F

    Chance
    T-storms

  • Friday

    Friday: A slight chance of showers, then a chance of showers and thunderstorms after 11am. Sunny, with a high near 92. Heat index values as high as 106. West wind around 7 mph becoming southeast in the afternoon. Chance of precipitation is 40%.

    High: 92 °F

    Chance
    T-storms

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 79. South wind 5 to 7 mph.

    Low: 79 °F

    Chance
    T-storms then
    Chance
    Showers

  • Saturday

    Saturday: Showers and thunderstorms likely, mainly after 2pm. Mostly sunny, with a high near 91. Chance of precipitation is 70%.

    High: 91 °F

    T-storms
    Likely

  • Saturday Night

    Saturday Night: Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 78. Chance of precipitation is 60%.

    Low: 78 °F

    T-storms
    Likely

  • Sunday

    Sunday: Showers and thunderstorms likely, mainly after 2pm. Mostly sunny, with a high near 88. Chance of precipitation is 70%.

    High: 88 °F

    T-storms
    Likely

  • Sunday Night

    Sunday Night: Showers and thunderstorms likely before 2am, then a slight chance of showers. Partly cloudy, with a low around 77. Chance of precipitation is 60%.

    Low: 77 °F

    T-storms
    Likely then
    Chance
    T-storms

Detailed Forecast

Tonight
A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 78. Southwest wind 6 to 8 mph.
Thursday
A 30 percent chance of showers and thunderstorms, mainly after 5pm. Mostly sunny, with a high near 94. Heat index values as high as 105. Southwest wind 7 to 10 mph, with gusts as high as 16 mph.
Thursday Night
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 78. South wind 6 to 9 mph becoming west after midnight.
Friday
A slight chance of showers, then a chance of showers and thunderstorms after 11am. Sunny, with a high near 92. Heat index values as high as 106. West wind around 7 mph becoming southeast in the afternoon. Chance of precipitation is 40%.
Friday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 79. South wind 5 to 7 mph.
Saturday
Showers and thunderstorms likely, mainly after 2pm. Mostly sunny, with a high near 91. Chance of precipitation is 70%.
Saturday Night
Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 78. Chance of precipitation is 60%.
Sunday
Showers and thunderstorms likely, mainly after 2pm. Mostly sunny, with a high near 88. Chance of precipitation is 70%.
Sunday Night
Showers and thunderstorms likely before 2am, then a slight chance of showers. Partly cloudy, with a low around 77. Chance of precipitation is 60%.
Monday
A slight chance of showers, then a chance of showers and thunderstorms after 8am. Sunny, with a high near 88. Chance of precipitation is 50%.
Monday Night
Mostly clear, with a low around 78.
Tuesday
A 40 percent chance of showers and thunderstorms. Sunny, with a high near 89.
Tuesday Night
A 30 percent chance of showers and thunderstorms. Mostly clear, with a low around 77.
Wednesday
A 40 percent chance of showers and thunderstorms. Sunny, with a high near 90.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Atlantic Beach FL
 30.32°N 81.41°W
Last Update:
3:01 pm EDT Aug 13, 2025
Forecast Valid:
11pm EDT Aug 13, 2025-6pm EDT Aug 20, 2025
 
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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