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.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

Neptune Beach FL

  • Overnight

    Overnight: Mostly cloudy, with a low around 76. South wind around 6 mph.

    Low: 76 °F

    Mostly Cloudy

  • Saturday

    Saturday: A chance of showers and thunderstorms before 9am, then a slight chance of showers between 9am and 11am, then a chance of showers and thunderstorms after 11am. Mostly cloudy, with a high near 85. Southwest wind 5 to 11 mph becoming east in the morning. Winds could gust as high as 16 mph. Chance of precipitation is 40%.

    High: 85 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: A slight chance of showers before 11pm, then a slight chance of showers after 3am. Cloudy, then gradually becoming partly cloudy, with a low around 78. Southeast wind 8 to 13 mph, with gusts as high as 17 mph. Chance of precipitation is 20%.

    Low: 78 °F

    Slight Chance
    Showers

  • Sunday

    Sunday: A 40 percent chance of showers and thunderstorms, mainly between noon and 3pm. Partly sunny, with a high near 82. East wind 7 to 13 mph, with gusts as high as 16 mph.

    High: 82 °F

    Chance
    Showers then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A 10 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 78. East wind 5 to 9 mph becoming light after midnight.

    Low: 78 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Monday

    Monday: A chance of showers, with thunderstorms also possible after 11am. Mostly sunny, with a high near 83. Chance of precipitation is 30%.

    High: 83 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A 10 percent chance of showers before 8pm. Partly cloudy, with a low around 78.

    Low: 78 °F

    Slight Chance
    Showers then
    Partly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms, mainly before 2pm. Mostly sunny, with a high near 83.

    High: 83 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A 10 percent chance of showers before 8pm. Mostly clear, with a low around 78.

    Low: 78 °F

    Slight Chance
    Showers then
    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 76. South wind around 6 mph.
Saturday
A chance of showers and thunderstorms before 9am, then a slight chance of showers between 9am and 11am, then a chance of showers and thunderstorms after 11am. Mostly cloudy, with a high near 85. Southwest wind 5 to 11 mph becoming east in the morning. Winds could gust as high as 16 mph. Chance of precipitation is 40%.
Saturday Night
A slight chance of showers before 11pm, then a slight chance of showers after 3am. Cloudy, then gradually becoming partly cloudy, with a low around 78. Southeast wind 8 to 13 mph, with gusts as high as 17 mph. Chance of precipitation is 20%.
Sunday
A 40 percent chance of showers and thunderstorms, mainly between noon and 3pm. Partly sunny, with a high near 82. East wind 7 to 13 mph, with gusts as high as 16 mph.
Sunday Night
A 10 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 78. East wind 5 to 9 mph becoming light after midnight.
Monday
A chance of showers, with thunderstorms also possible after 11am. Mostly sunny, with a high near 83. Chance of precipitation is 30%.
Monday Night
A 10 percent chance of showers before 8pm. Partly cloudy, with a low around 78.
Tuesday
A 30 percent chance of showers and thunderstorms, mainly before 2pm. Mostly sunny, with a high near 83.
Tuesday Night
A 10 percent chance of showers before 8pm. Mostly clear, with a low around 78.
Wednesday
A 20 percent chance of showers and thunderstorms before 2pm. Sunny, with a high near 84.
Wednesday Night
Mostly clear, with a low around 78.
Thursday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 85.
Thursday Night
Partly cloudy, with a low around 78.
Friday
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:
12:06 am EDT Aug 29, 2026
Forecast Valid:
1am EDT Aug 29, 2026-6pm EDT Sep 4, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

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Chance of Precipitation