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

85°F

29°C

Humidity 65%
Wind Speed SW 10 mph
Barometer 30.06 in (1017.9 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index91°F (33°C)
Last update 28 Aug 11:52 am EDT
Extended Forecast for

Jacksonville Beach FL

  • Today

    Today: Showers and thunderstorms likely, mainly after 4pm. Partly sunny, with a high near 86. Southwest wind 8 to 10 mph becoming southeast in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 86 °F

    T-storms
    Likely

  • Tonight

    Tonight: A chance of showers and thunderstorms before 2am, then a slight chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 76. South wind 6 to 9 mph. Chance of precipitation is 40%.

    Low: 76 °F

    Chance
    T-storms

  • Saturday

    Saturday: A 40 percent chance of showers and thunderstorms, mainly after 2pm. Partly sunny, with a high near 83. Light and variable wind becoming east 6 to 11 mph in the morning. Winds could gust as high as 15 mph.

    High: 83 °F

    Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before 2am, then a chance of showers between 2am and 5am, then a chance of showers and thunderstorms after 5am. Mostly cloudy, with a low around 78. Southeast wind 6 to 10 mph. Chance of precipitation is 40%.

    Low: 78 °F

    Chance
    T-storms then
    Chance
    Showers

  • Sunday

    Sunday: A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 84. East wind 6 to 13 mph, with gusts as high as 16 mph.

    High: 84 °F

    Chance
    T-storms

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 78.

    Low: 78 °F

    Mostly Cloudy

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 84.

    High: 84 °F

    Slight Chance
    T-storms

  • Monday Night

    Monday Night: A 20 percent chance of showers after 2am. Partly cloudy, with a low around 78.

    Low: 78 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 83.

    High: 83 °F

    Chance
    T-storms

Detailed Forecast

Today
Showers and thunderstorms likely, mainly after 4pm. Partly sunny, with a high near 86. Southwest wind 8 to 10 mph becoming southeast in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
A chance of showers and thunderstorms before 2am, then a slight chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 76. South wind 6 to 9 mph. Chance of precipitation is 40%.
Saturday
A 40 percent chance of showers and thunderstorms, mainly after 2pm. Partly sunny, with a high near 83. Light and variable wind becoming east 6 to 11 mph in the morning. Winds could gust as high as 15 mph.
Saturday Night
A chance of showers and thunderstorms before 2am, then a chance of showers between 2am and 5am, then a chance of showers and thunderstorms after 5am. Mostly cloudy, with a low around 78. Southeast wind 6 to 10 mph. Chance of precipitation is 40%.
Sunday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 84. East wind 6 to 13 mph, with gusts as high as 16 mph.
Sunday Night
Mostly cloudy, with a low around 78.
Monday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 84.
Monday Night
A 20 percent chance of showers after 2am. Partly cloudy, with a low around 78.
Tuesday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 83.
Tuesday Night
A 20 percent chance of showers after 2am. Partly cloudy, with a low around 78.
Wednesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 84.
Wednesday Night
A chance of thunderstorms. Partly cloudy, with a low around 78. Chance of precipitation is 30%.
Thursday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 84.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Jacksonville Beach FL
 30.3°N 81.39°W
Last Update:
8:16 am EDT Aug 28, 2026
Forecast Valid:
11am EDT Aug 28, 2026-6pm EDT Sep 3, 2026
 
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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