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

86°F

30°C

Humidity 72%
Wind Speed Vrbl 6 mph
Barometer 30.15 in (1020.8 mb)
Dewpoint 76°F (24°C)
Visibility 10.00 mi
Heat Index96°F (36°C)
Last update 5 Aug 10:52 am EDT
Extended Forecast for

Atlantic Beach FL

  • Today

    Today: Showers and thunderstorms likely, mainly after 5pm. Mostly sunny, with a high near 93. Heat index values as high as 107. West wind 6 to 9 mph becoming east in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    High: 93 °F

    T-storms
    Likely

  • Tonight

    Tonight: Showers and thunderstorms likely, mainly before midnight. Mostly cloudy, with a low around 77. Southeast wind 5 to 8 mph becoming light and variable after midnight. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 77 °F

    T-storms
    Likely then
    Slight Chance
    T-storms

  • Wednesday

    Wednesday: A chance of showers, then showers and thunderstorms likely after 11am. Sunny, with a high near 89. Light and variable wind becoming northeast 5 to 10 mph in the morning. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 89 °F

    Chance
    Showers then
    T-storms
    Likely

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms likely before 2am, then a chance of showers between 2am and 5am, then a chance of showers and thunderstorms after 5am. Mostly cloudy, with a low around 77. East wind 3 to 8 mph. Chance of precipitation is 60%.

    Low: 77 °F

    T-storms
    Likely then
    Showers
    Likely

  • Thursday

    Thursday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2pm. High near 87. Northeast wind 6 to 11 mph. Chance of precipitation is 80%.

    High: 87 °F

    Chance
    T-storms then
    T-storms

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm before 2am, then a chance of showers and thunderstorms between 2am and 5am, then a chance of showers after 5am. Low around 77. Chance of precipitation is 80%.

    Low: 77 °F

    T-storms then
    Showers
    Likely

  • Friday

    Friday: A chance of showers, then showers and possibly a thunderstorm after 8am. High near 87. Chance of precipitation is 90%.

    High: 87 °F

    Showers
    Likely then
    T-storms

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a chance of showers after 2am. Low around 77. Chance of precipitation is 80%.

    Low: 77 °F

    T-storms then
    Chance
    T-storms

  • Saturday

    Saturday: Showers likely, then showers and possibly a thunderstorm after 8am. High near 88. Chance of precipitation is 80%.

    High: 88 °F

    Showers
    Likely then
    T-storms

Detailed Forecast

Today
Showers and thunderstorms likely, mainly after 5pm. Mostly sunny, with a high near 93. Heat index values as high as 107. West wind 6 to 9 mph becoming east in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
Showers and thunderstorms likely, mainly before midnight. Mostly cloudy, with a low around 77. Southeast wind 5 to 8 mph becoming light and variable after midnight. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
A chance of showers, then showers and thunderstorms likely after 11am. Sunny, with a high near 89. Light and variable wind becoming northeast 5 to 10 mph in the morning. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers and thunderstorms likely before 2am, then a chance of showers between 2am and 5am, then a chance of showers and thunderstorms after 5am. Mostly cloudy, with a low around 77. East wind 3 to 8 mph. Chance of precipitation is 60%.
Thursday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2pm. High near 87. Northeast wind 6 to 11 mph. Chance of precipitation is 80%.
Thursday Night
Showers and possibly a thunderstorm before 2am, then a chance of showers and thunderstorms between 2am and 5am, then a chance of showers after 5am. Low around 77. Chance of precipitation is 80%.
Friday
A chance of showers, then showers and possibly a thunderstorm after 8am. High near 87. Chance of precipitation is 90%.
Friday Night
Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a chance of showers after 2am. Low around 77. Chance of precipitation is 80%.
Saturday
Showers likely, then showers and possibly a thunderstorm after 8am. High near 88. Chance of precipitation is 80%.
Saturday Night
Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a chance of showers after 2am. Low around 78. Chance of precipitation is 80%.
Sunday
Showers and thunderstorms likely. Mostly sunny, with a high near 89. Chance of precipitation is 70%.
Sunday Night
Showers and thunderstorms likely. Partly cloudy, with a low around 78. Chance of precipitation is 60%.
Monday
Showers and thunderstorms likely. Mostly sunny, with a high near 89. Chance of precipitation is 70%.
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ABOUT THIS FORECAST

 
Point Forecast:
Atlantic Beach FL
 30.34°N 81.41°W
Last Update:
1:26 am EDT Aug 5, 2025
Forecast Valid:
11am EDT Aug 5, 2025-6pm EDT Aug 11, 2025
 
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Additional Resources

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Chance of Precipitation