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.

Partly Cloudy

N/A

Humidity NA
Wind Speed S 5 mph
Barometer 30.18 in (1022.1 mb)
Dewpoint N/A
Visibility 10.00 mi
Last update 18 Jul 11:52 pm EDT
Extended Forecast for

Atlantic Beach FL

  • Overnight

    Overnight: Mostly clear, with a low around 78. South wind around 6 mph.

    Low: 78 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 94. Heat index values as high as 106. Southwest wind 5 to 8 mph becoming southeast in the afternoon.

    High: 94 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 79. South wind 7 to 10 mph becoming southwest after midnight. Winds could gust as high as 16 mph.

    Low: 79 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 98. Heat index values as high as 110. West wind 6 to 10 mph becoming south in the afternoon. Winds could gust as high as 16 mph.

    High: 98 °F

    Hot

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 80. South wind around 9 mph becoming southwest after midnight.

    Low: 80 °F

    Partly Cloudy

  • Monday

    Monday: A slight chance of showers, then a chance of showers and thunderstorms after 11am. Mostly sunny and hot, with a high near 96. Chance of precipitation is 40%.

    High: 96 °F

    Chance
    T-storms

  • Monday Night

    Monday Night: A 30 percent chance of showers and thunderstorms, mainly before 2am. Mostly cloudy, with a low around 77.

    Low: 77 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: Showers and thunderstorms likely, mainly after 2pm. Partly sunny, with a high near 92. Chance of precipitation is 70%.

    High: 92 °F

    Chance
    T-storms then
    T-storms
    Likely

  • Tuesday Night

    Tuesday Night: Showers and thunderstorms likely before 2am, then a slight chance of showers. Mostly cloudy, with a low around 78. Chance of precipitation is 60%.

    Low: 78 °F

    T-storms
    Likely

Detailed Forecast

Overnight
Mostly clear, with a low around 78. South wind around 6 mph.
Saturday
Sunny, with a high near 94. Heat index values as high as 106. Southwest wind 5 to 8 mph becoming southeast in the afternoon.
Saturday Night
Mostly clear, with a low around 79. South wind 7 to 10 mph becoming southwest after midnight. Winds could gust as high as 16 mph.
Sunday
Sunny and hot, with a high near 98. Heat index values as high as 110. West wind 6 to 10 mph becoming south in the afternoon. Winds could gust as high as 16 mph.
Sunday Night
Partly cloudy, with a low around 80. South wind around 9 mph becoming southwest after midnight.
Monday
A slight chance of showers, then a chance of showers and thunderstorms after 11am. Mostly sunny and hot, with a high near 96. Chance of precipitation is 40%.
Monday Night
A 30 percent chance of showers and thunderstorms, mainly before 2am. Mostly cloudy, with a low around 77.
Tuesday
Showers and thunderstorms likely, mainly after 2pm. Partly sunny, with a high near 92. Chance of precipitation is 70%.
Tuesday Night
Showers and thunderstorms likely before 2am, then a slight chance of showers. Mostly cloudy, with a low around 78. Chance of precipitation is 60%.
Wednesday
A slight chance of showers, then showers and thunderstorms likely after 8am. Mostly sunny, with a high near 89. Chance of precipitation is 70%.
Wednesday Night
Showers and thunderstorms likely. Partly cloudy, with a low around 77. Chance of precipitation is 60%.
Thursday
Showers and thunderstorms likely. Mostly sunny, with a high near 90. Chance of precipitation is 60%.
Thursday Night
Showers and thunderstorms likely. Partly cloudy, with a low around 77. Chance of precipitation is 60%.
Friday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92.
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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:
11:41 pm EDT Jul 18, 2025
Forecast Valid:
12am EDT Jul 19, 2025-6pm EDT Jul 25, 2025
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation