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

90°F

32°C

Humidity 63%
Wind Speed SE 10 mph
Barometer 30.01 in (1016.0 mb)
Dewpoint 76°F (24°C)
Visibility 10.00 mi
Heat Index101°F (38°C)
Last update 29 Jun 6:52 pm EDT
Extended Forecast for

Atlantic Beach FL

  • Tonight

    Tonight: A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers and thunderstorms after midnight. Partly cloudy, with a low around 79. Southeast wind 5 to 9 mph becoming southwest after midnight. Chance of precipitation is 20%.

    Low: 79 °F

    Slight Chance
    T-storms

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms, mainly between 1pm and 2pm. Mostly sunny, with a high near 88. Heat index values as high as 102. Breezy, with a northeast wind 6 to 11 mph increasing to 12 to 17 mph in the afternoon. Winds could gust as high as 26 mph.

    High: 88 °F

    Chance
    T-storms and
    Breezy

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 78. Northeast wind 10 to 14 mph, with gusts as high as 21 mph.

    Low: 78 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms before 2pm. Mostly sunny, with a high near 86. Breezy, with a northeast wind 13 to 18 mph, with gusts as high as 28 mph.

    High: 86 °F

    Slight Chance
    T-storms and
    Breezy

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 77. East wind 7 to 14 mph, with gusts as high as 21 mph.

    Low: 77 °F

    Mostly Clear

  • Thursday

    Thursday: A 20 percent chance of showers before 2pm. Sunny, with a high near 87.

    High: 87 °F

    Slight Chance
    Showers

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 77.

    Low: 77 °F

    Mostly Clear

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 88.

    High: 88 °F

    Sunny then
    Slight Chance
    T-storms

  • Friday Night

    Friday Night: A 10 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 78.

    Low: 78 °F

    Slight Chance
    T-storms then
    Mostly Clear

Detailed Forecast

Tonight
A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers and thunderstorms after midnight. Partly cloudy, with a low around 79. Southeast wind 5 to 9 mph becoming southwest after midnight. Chance of precipitation is 20%.
Tuesday
A 30 percent chance of showers and thunderstorms, mainly between 1pm and 2pm. Mostly sunny, with a high near 88. Heat index values as high as 102. Breezy, with a northeast wind 6 to 11 mph increasing to 12 to 17 mph in the afternoon. Winds could gust as high as 26 mph.
Tuesday Night
Partly cloudy, with a low around 78. Northeast wind 10 to 14 mph, with gusts as high as 21 mph.
Wednesday
A 20 percent chance of showers and thunderstorms before 2pm. Mostly sunny, with a high near 86. Breezy, with a northeast wind 13 to 18 mph, with gusts as high as 28 mph.
Wednesday Night
Mostly clear, with a low around 77. East wind 7 to 14 mph, with gusts as high as 21 mph.
Thursday
A 20 percent chance of showers before 2pm. Sunny, with a high near 87.
Thursday Night
Mostly clear, with a low around 77.
Friday
A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 88.
Friday Night
A 10 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 78.
Independence Day
A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 90.
Saturday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 78.
Sunday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91.
Sunday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 78.
Monday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91.
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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:
6:01 pm EDT Jun 29, 2026
Forecast Valid:
7pm EDT Jun 29, 2026-6pm EDT Jul 6, 2026
 
Forecast Discussion
 
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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