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.

A Few Clouds

80°F

27°C

Humidity 71%
Wind Speed N 7 mph
Barometer 29.95 in (1014.1 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 22 Sep 8:52 am EDT
Extended Forecast for

Neptune Beach FL

  • Today

    Today: A 30 percent chance of showers and thunderstorms, mainly between noon and 2pm. Partly sunny, with a high near 83. Northeast wind 7 to 13 mph.

    High: 83 °F

    Chance
    Showers

  • Tonight

    Tonight: A 10 percent chance of showers after 5am. Partly cloudy, with a low around 78. East wind 5 to 7 mph.

    Low: 78 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Wednesday

    Wednesday: A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 8am. Mostly cloudy, with a high near 84. Windy, with a northeast wind 9 to 14 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 84 °F

    Showers
    Likely and
    Windy

  • Wednesday Night

    Wednesday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 77. Windy, with a northeast wind 18 to 20 mph, with gusts as high as 25 mph.

    Low: 77 °F

    Chance
    T-storms and
    Windy then
    Chance
    Showers and
    Breezy

  • Thursday

    Thursday: Showers likely before 11am, then showers likely and possibly a thunderstorm between 11am and 2pm, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 80. Very windy, with a north wind 23 to 30 mph, with gusts as high as 38 mph. Chance of precipitation is 60%.

    High: 80 °F

    Showers
    Likely and
    Very Windy

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 2am. Mostly cloudy, with a low around 75. Very windy. Chance of precipitation is 30%.

    Low: 75 °F

    Chance
    Showers and
    Very Windy

  • Friday

    Friday: Mostly sunny, with a high near 76. Windy.

    High: 76 °F

    Mostly Sunny
    and Windy

  • Friday Night

    Friday Night: Mostly clear, with a low around 72. Breezy.

    Low: 72 °F

    Mostly Clear
    and Breezy
    then Mostly
    Clear

  • Saturday

    Saturday: Sunny, with a high near 78. Windy.

    High: 78 °F

    Sunny and
    Windy

Detailed Forecast

Today
A 30 percent chance of showers and thunderstorms, mainly between noon and 2pm. Partly sunny, with a high near 83. Northeast wind 7 to 13 mph.
Tonight
A 10 percent chance of showers after 5am. Partly cloudy, with a low around 78. East wind 5 to 7 mph.
Wednesday
A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 8am. Mostly cloudy, with a high near 84. Windy, with a northeast wind 9 to 14 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 77. Windy, with a northeast wind 18 to 20 mph, with gusts as high as 25 mph.
Thursday
Showers likely before 11am, then showers likely and possibly a thunderstorm between 11am and 2pm, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 80. Very windy, with a north wind 23 to 30 mph, with gusts as high as 38 mph. Chance of precipitation is 60%.
Thursday Night
A chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 2am. Mostly cloudy, with a low around 75. Very windy. Chance of precipitation is 30%.
Friday
Mostly sunny, with a high near 76. Windy.
Friday Night
Mostly clear, with a low around 72. Breezy.
Saturday
Sunny, with a high near 78. Windy.
Saturday Night
Mostly clear, with a low around 71.
Sunday
Mostly sunny, with a high near 80.
Sunday Night
Partly cloudy, with a low around 72.
Monday
Mostly sunny, with a high near 80.
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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:
2:21 am EDT Sep 22, 2026
Forecast Valid:
9am EDT Sep 22, 2026-6pm EDT Sep 28, 2026
 
Forecast Discussion
 
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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