National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Mayport Naval Station - Adm David L. McDonald Field (KNRB)

Lat: 30.4°NLon: 81.42°WElev: 13ft.

Partly Cloudy

87°F

31°C

Humidity 77%
Wind Speed S 14 mph
Barometer 29.81 in (1009.4 mb)
Dewpoint 79°F (26°C)
Visibility 10.00 mi
Heat Index101°F (38°C)
Last update 27 Jul 5:52 pm EDT
Extended Forecast for

Atlantic Beach FL

Heat Advisory July 28, 11:00am until July 28, 08:00pm
Heat Advisory July 27, 06:07pm until July 27, 08:00pm
Click here for hazard details and duration
Heat Advisory
...
  •  
    Heat Advisory July 27, 06:07pm until July 27, 08:00pm

    NOW until 8:00pm Mon

    Heat Advisory

  • Tonight

    Low: 79 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 96. Heat index values as high as 111. West wind 5 to 10 mph becoming southeast in the afternoon.

    High: 96 °F

    Sunny then
    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 79. South wind 11 to 13 mph, with gusts as high as 16 mph.

    Low: 79 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Showers and thunderstorms likely after 2pm. Partly sunny and hot, with a high near 97. Heat index values as high as 113. Breezy, with a southwest wind around 15 mph, with gusts as high as 18 mph. Chance of precipitation is 60%.

    High: 97 °F

    Breezy.
    Mostly Sunny
    then T-storms
    Likely

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms likely before 11pm, then showers likely between 11pm and 2am, then a slight chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 78. Breezy, with a southwest wind around 15 mph. Chance of precipitation is 60%.

    Low: 78 °F

    T-storms
    Likely and
    Breezy then
    Showers
    Likely

  • Thursday

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

    High: 91 °F

    Chance
    T-storms then
    T-storms
    Likely

  • Thursday Night

    Thursday Night: Showers and thunderstorms likely, mainly before 8pm. Partly cloudy, with a low around 77. Chance of precipitation is 60%.

    Low: 77 °F

    T-storms
    Likely then
    Slight Chance
    T-storms

  • Friday

    Friday: A 40 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 90.

    High: 90 °F

    Sunny then
    Chance
    T-storms

Detailed Forecast

Tonight
A 20 percent chance of showers and thunderstorms before 10pm. Mostly cloudy, with a low around 79. East wind 7 to 13 mph becoming southwest after midnight. Winds could gust as high as 20 mph.
Tuesday
A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 96. Heat index values as high as 111. West wind 5 to 10 mph becoming southeast in the afternoon.
Tuesday Night
Partly cloudy, with a low around 79. South wind 11 to 13 mph, with gusts as high as 16 mph.
Wednesday
Showers and thunderstorms likely after 2pm. Partly sunny and hot, with a high near 97. Heat index values as high as 113. Breezy, with a southwest wind around 15 mph, with gusts as high as 18 mph. Chance of precipitation is 60%.
Wednesday Night
Showers and thunderstorms likely before 11pm, then showers likely between 11pm and 2am, then a slight chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 78. Breezy, with a southwest wind around 15 mph. Chance of precipitation is 60%.
Thursday
Showers and thunderstorms likely, mainly after 2pm. Partly sunny, with a high near 91. Chance of precipitation is 70%.
Thursday Night
Showers and thunderstorms likely, mainly before 8pm. Partly cloudy, with a low around 77. Chance of precipitation is 60%.
Friday
A 40 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 90.
Friday Night
A 30 percent chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 77.
Saturday
Showers and thunderstorms likely, mainly after 2pm. Partly sunny, with a high near 87. Chance of precipitation is 60%.
Saturday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 77. Breezy. Chance of precipitation is 60%.
Sunday
Showers and thunderstorms likely. Partly sunny, with a high near 88. Breezy. Chance of precipitation is 60%.
Sunday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 77. Breezy. Chance of precipitation is 60%.
Monday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 87.
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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 Jul 27, 2026
Forecast Valid:
6pm EDT Jul 27, 2026-6pm EDT Aug 3, 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