


Hazardous Weather Conditions
Current conditions at
Mayport Naval Station - Adm David L. McDonald Field (KNRB)
Lat: 30.4°NLon: 81.42°WElev: 13ft.
Fair
89°F
32°C
Humidity | 70% |
Wind Speed | E 8 mph |
Barometer | 30.03 in (1016.9 mb) |
Dewpoint | 78°F (26°C) |
Visibility | 10.00 mi |
Heat Index | 103°F (39°C) |
Last update | 16 Aug 12:52 pm EDT |
Extended Forecast for
Atlantic Beach FL
Heat Advisory until August 16, 07:00pm
NOW until 7:00pm Sat
Heat Advisory
This Afternoon
High: 90 °F
T-storms
LikelyTonight
Low: 77 °F
Chance
T-stormsSunday
High: 87 °F
Chance
T-storms then
T-stormsSunday Night
Low: 78 °F
Chance
T-stormsMonday
High: 88 °F
Chance
T-stormsMonday Night
Low: 78 °F
Mostly Clear
Tuesday
High: 89 °F
Chance
T-storms and
BreezyTuesday Night
Low: 78 °F
Chance
T-storms then
Slight Chance
Showers
Detailed Forecast
This Afternoon
Showers and thunderstorms likely, mainly after 4pm. Mostly sunny, with a high near 90. Heat index values as high as 106. East wind 7 to 10 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 77. East wind 5 to 7 mph becoming calm in the evening. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
Showers and thunderstorms likely before 2pm, then showers and possibly a thunderstorm between 2pm and 3pm, then showers and thunderstorms likely after 3pm. High near 87. Heat index values as high as 100. Northeast wind 5 to 11 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Sunday Night
A 30 percent chance of showers and thunderstorms, mainly before 2am. Partly cloudy, with a low around 78. East wind 6 to 9 mph.
Monday
A 40 percent chance of showers and thunderstorms, mainly after 8am. Sunny, with a high near 88. Northeast wind 7 to 14 mph.
Monday Night
Mostly clear, with a low around 78.
Tuesday
A slight chance of showers, then a chance of showers and thunderstorms after 11am. Sunny, with a high near 89. Breezy. Chance of precipitation is 40%.
Tuesday Night
A chance of showers and thunderstorms before 8pm, then a slight chance of showers. Mostly clear, with a low around 78. Chance of precipitation is 30%.
Wednesday
A chance of showers, with thunderstorms also possible after 2pm. Sunny, with a high near 89. Chance of precipitation is 40%.
Wednesday Night
A chance of thunderstorms before 8pm. Mostly clear, with a low around 77. Chance of precipitation is 30%.
Thursday
A 30 percent chance of showers and thunderstorms. Sunny, with a high near 93.
Thursday Night
A 30 percent chance of showers and thunderstorms. Mostly clear, with a low around 77.
Friday
Showers and thunderstorms likely. Sunny, with a high near 91. Chance of precipitation is 60%.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Atlantic Beach FL
30.34°N 81.41°W
30.34°N 81.41°W
1:26 pm EDT Aug 16, 2025
1pm EDT Aug 16, 2025-6pm EDT Aug 22, 2025