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.

Overcast

83°F

28°C

Humidity 72%
Wind Speed N 12 mph
Barometer 29.93 in (1013.5 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index89°F (32°C)
Last update 30 Aug 1:52 pm EDT
Extended Forecast for

Neptune Beach FL

  • This Afternoon

    This Afternoon: Showers likely and possibly a thunderstorm. Cloudy, with a high near 82. North wind around 11 mph, with gusts as high as 16 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    High: 82 °F

    Showers
    Likely

  • Tonight

    Tonight: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms after 8pm. Mostly cloudy, with a low around 74. North wind 9 to 11 mph, with gusts as high as 16 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 74 °F

    Showers
    Likely then
    Chance
    Showers

  • Sunday

    Sunday: Showers and thunderstorms likely, mainly between 3pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Mostly sunny, with a high near 81. Windy, with a north wind 13 to 21 mph becoming northeast in the afternoon. Winds could gust as high as 29 mph. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 81 °F

    T-storms
    Likely and
    Windy

  • Sunday Night

    Sunday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 77. Windy, with a northeast wind 18 to 22 mph, with gusts as high as 30 mph.

    Low: 77 °F

    Windy. Chance
    T-storms then
    Chance
    Showers

  • Labor Day

    Labor Day: Showers likely, with thunderstorms also possible after 11am. Partly sunny, with a high near 80. Windy, with a northeast wind 18 to 23 mph, with gusts as high as 32 mph. Chance of precipitation is 60%.

    High: 80 °F

    Showers
    Likely and
    Windy

  • Monday Night

    Monday Night: A 30 percent chance of showers and thunderstorms, mainly before 2am. Partly cloudy, with a low around 76. Windy.

    Low: 76 °F

    Chance
    T-storms and
    Windy then
    Chance
    Showers and
    Breezy

  • Tuesday

    Tuesday: A chance of showers, with thunderstorms also possible after 11am. Partly sunny, with a high near 80. Windy. Chance of precipitation is 50%.

    High: 80 °F

    Chance
    T-storms and
    Windy

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms, mainly before 2am. Mostly cloudy, with a low around 76. Breezy.

    Low: 76 °F

    Chance
    T-storms and
    Breezy

  • Wednesday

    Wednesday: Showers and thunderstorms likely, mainly after 2pm. Partly sunny, with a high near 81. Chance of precipitation is 60%.

    High: 81 °F

    T-storms
    Likely

Detailed Forecast

This Afternoon
Showers likely and possibly a thunderstorm. Cloudy, with a high near 82. North wind around 11 mph, with gusts as high as 16 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms after 8pm. Mostly cloudy, with a low around 74. North wind 9 to 11 mph, with gusts as high as 16 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Sunday
Showers and thunderstorms likely, mainly between 3pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Mostly sunny, with a high near 81. Windy, with a north wind 13 to 21 mph becoming northeast in the afternoon. Winds could gust as high as 29 mph. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.
Sunday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 77. Windy, with a northeast wind 18 to 22 mph, with gusts as high as 30 mph.
Labor Day
Showers likely, with thunderstorms also possible after 11am. Partly sunny, with a high near 80. Windy, with a northeast wind 18 to 23 mph, with gusts as high as 32 mph. Chance of precipitation is 60%.
Monday Night
A 30 percent chance of showers and thunderstorms, mainly before 2am. Partly cloudy, with a low around 76. Windy.
Tuesday
A chance of showers, with thunderstorms also possible after 11am. Partly sunny, with a high near 80. Windy. Chance of precipitation is 50%.
Tuesday Night
A 30 percent chance of showers and thunderstorms, mainly before 2am. Mostly cloudy, with a low around 76. Breezy.
Wednesday
Showers and thunderstorms likely, mainly after 2pm. Partly sunny, with a high near 81. Chance of precipitation is 60%.
Wednesday Night
Showers and thunderstorms likely before 2am, then a slight chance of showers. Partly cloudy, with a low around 76. Chance of precipitation is 60%.
Thursday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 84.
Thursday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 77.
Friday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 85.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Neptune Beach FL
 30.32°N 81.38°W
Last Update:
1:30 pm EDT Aug 30, 2025
Forecast Valid:
2pm EDT Aug 30, 2025-6pm EDT Sep 5, 2025
 
Forecast Discussion
 
Get as KML Get as XML

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