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.

Fair

86°F

30°C

Humidity 72%
Wind Speed W 6 mph
Barometer 30.14 in (1020.5 mb)
Dewpoint 76°F (24°C)
Visibility 10.00 mi
Heat Index96°F (36°C)
Last update 19 Jun 8:52 am EDT
Extended Forecast for

Neptune Beach FL

  • Juneteenth

    Juneteenth: A 40 percent chance of showers and thunderstorms after 2pm. Increasing clouds, with a high near 85. Southwest wind 8 to 13 mph becoming southeast in the afternoon. Winds could gust as high as 17 mph.

    High: 85 °F

    Sunny then
    Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms before 5am, then a slight chance of showers. Mostly cloudy, with a low around 77. Southwest wind 9 to 13 mph, with gusts as high as 17 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 77 °F

    Chance
    T-storms

  • Friday

    Friday: A chance of showers, then showers and thunderstorms likely after 11am. Mostly sunny, with a high near 86. Southwest wind 5 to 9 mph becoming southeast in the afternoon. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 86 °F

    Chance
    T-storms then
    T-storms
    Likely

  • Friday Night

    Friday Night: Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 78. South wind 7 to 11 mph, with gusts as high as 16 mph. Chance of precipitation is 60%.

    Low: 78 °F

    T-storms
    Likely then
    Chance
    Showers

  • Saturday

    Saturday: A slight chance of showers, then a chance of showers and thunderstorms after 11am. Sunny, with a high near 85. South wind 6 to 11 mph becoming southeast in the afternoon. Winds could gust as high as 16 mph. Chance of precipitation is 40%.

    High: 85 °F

    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 78.

    Low: 78 °F

    Chance
    T-storms then
    Mostly Clear

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 85.

    High: 85 °F

    Sunny then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 78.

    Low: 78 °F

    Chance
    T-storms then
    Mostly Clear

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms, mainly after 2pm. Sunny, with a high near 85.

    High: 85 °F

    Chance
    T-storms

Detailed Forecast

Juneteenth
A 40 percent chance of showers and thunderstorms after 2pm. Increasing clouds, with a high near 85. Southwest wind 8 to 13 mph becoming southeast in the afternoon. Winds could gust as high as 17 mph.
Tonight
A chance of showers and thunderstorms before 5am, then a slight chance of showers. Mostly cloudy, with a low around 77. Southwest wind 9 to 13 mph, with gusts as high as 17 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
A chance of showers, then showers and thunderstorms likely after 11am. Mostly sunny, with a high near 86. Southwest wind 5 to 9 mph becoming southeast in the afternoon. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night
Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 78. South wind 7 to 11 mph, with gusts as high as 16 mph. Chance of precipitation is 60%.
Saturday
A slight chance of showers, then a chance of showers and thunderstorms after 11am. Sunny, with a high near 85. South wind 6 to 11 mph becoming southeast in the afternoon. Winds could gust as high as 16 mph. Chance of precipitation is 40%.
Saturday Night
A 30 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 78.
Sunday
A 30 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 85.
Sunday Night
A 30 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 78.
Monday
A 30 percent chance of showers and thunderstorms, mainly after 2pm. Sunny, with a high near 85.
Monday Night
A 30 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 78.
Tuesday
A 30 percent chance of showers and thunderstorms. Sunny, with a high near 86.
Tuesday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 78.
Wednesday
A 30 percent chance of showers and thunderstorms. Sunny, with a high near 86.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Neptune Beach FL
 30.32°N 81.38°W
Last Update:
8:45 am EDT Jun 19, 2025
Forecast Valid:
9am EDT Jun 19, 2025-6pm EDT Jun 25, 2025
 
Forecast Discussion
 
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Additional Resources

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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