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

83°F

28°C

Humidity 77%
Wind Speed SW 9 mph
Barometer 29.88 in (1011.7 mb)
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index90°F (32°C)
Last update 3 Aug 7:52 pm EDT
Extended Forecast for

3 Miles WNW Atlantic Beach FL

  • Tonight

    Tonight: A slight chance of showers and thunderstorms before 4am, then a slight chance of showers between 4am and 5am. Mostly cloudy, with a low around 75. South wind 7 to 9 mph, with gusts as high as 16 mph. Chance of precipitation is 20%.

    Low: 75 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Tuesday

    Tuesday: A slight chance of showers and thunderstorms before 1pm, then a chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 91. Heat index values as high as 102. Southwest wind 7 to 11 mph. Chance of precipitation is 30%.

    High: 91 °F

    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 76. South wind 5 to 9 mph.

    Low: 76 °F

    Chance
    T-storms then
    Partly Cloudy

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 90. Heat index values as high as 102. Light and variable wind becoming southeast 8 to 13 mph in the morning.

    High: 90 °F

    Mostly Sunny
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 5am, then a slight chance of showers and thunderstorms after 5am. Partly cloudy, with a low around 77. South wind 5 to 10 mph. Chance of precipitation is 30%.

    Low: 77 °F

    Chance
    T-storms

  • Thursday

    Thursday: Showers likely and possibly a thunderstorm, mainly before 2pm, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 89. Breezy. Chance of precipitation is 60%.

    High: 89 °F

    Showers
    Likely and
    Breezy

  • Thursday Night

    Thursday Night: A 30 percent chance of showers before 8pm. Partly cloudy, with a low around 78.

    Low: 78 °F

    Chance
    Showers then
    Partly Cloudy

  • Friday

    Friday: A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 89. Breezy.

    High: 89 °F

    Chance
    T-storms and
    Breezy

  • Friday Night

    Friday Night: A slight chance of showers and thunderstorms, then a chance of showers after 2am. Partly cloudy, with a low around 77. Chance of precipitation is 30%.

    Low: 77 °F

    Slight Chance
    T-storms then
    Chance
    Showers

Detailed Forecast

Tonight
A slight chance of showers and thunderstorms before 4am, then a slight chance of showers between 4am and 5am. Mostly cloudy, with a low around 75. South wind 7 to 9 mph, with gusts as high as 16 mph. Chance of precipitation is 20%.
Tuesday
A slight chance of showers and thunderstorms before 1pm, then a chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 91. Heat index values as high as 102. Southwest wind 7 to 11 mph. Chance of precipitation is 30%.
Tuesday Night
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 76. South wind 5 to 9 mph.
Wednesday
A 30 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 90. Heat index values as high as 102. Light and variable wind becoming southeast 8 to 13 mph in the morning.
Wednesday Night
A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 5am, then a slight chance of showers and thunderstorms after 5am. Partly cloudy, with a low around 77. South wind 5 to 10 mph. Chance of precipitation is 30%.
Thursday
Showers likely and possibly a thunderstorm, mainly before 2pm, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 89. Breezy. Chance of precipitation is 60%.
Thursday Night
A 30 percent chance of showers before 8pm. Partly cloudy, with a low around 78.
Friday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 89. Breezy.
Friday Night
A slight chance of showers and thunderstorms, then a chance of showers after 2am. Partly cloudy, with a low around 77. Chance of precipitation is 30%.
Saturday
A chance of showers, with thunderstorms also possible after 8am. Partly sunny, with a high near 89. Chance of precipitation is 50%.
Saturday Night
Mostly cloudy, with a low around 77.
Sunday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 90.
Sunday Night
Partly cloudy, with a low around 77.
Monday
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:
3 Miles WNW Atlantic Beach FL
 30.35°N 81.46°W
Last Update:
7:51 pm EDT Aug 3, 2026
Forecast Valid:
8pm EDT Aug 3, 2026-6pm EDT Aug 10, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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