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.

Partly Cloudy

85°F

29°C

Humidity 70%
Wind Speed SE 8 mph
Barometer 29.99 in (1015.3 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index93°F (34°C)
Last update 27 Aug 2:52 pm EDT
Extended Forecast for

Jacksonville Beach FL

  • This Afternoon

    This Afternoon: A 30 percent chance of showers and thunderstorms, mainly after 4pm. Partly sunny, with a steady temperature around 81. Southeast wind around 11 mph.

    High: 81 °F

    Chance
    T-storms

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly before 9pm. Mostly cloudy, with a low around 77. South wind 7 to 10 mph.

    Low: 77 °F

    Chance
    T-storms then
    Partly Cloudy

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms, mainly after 2pm. Increasing clouds, with a high near 85. Southwest wind 7 to 13 mph becoming southeast in the afternoon. Winds could gust as high as 17 mph.

    High: 85 °F

    Sunny then
    Chance
    T-storms

  • Friday Night

    Friday Night: A 50 percent chance of showers and thunderstorms, mainly before 11pm. Mostly cloudy, with a low around 77. South wind 8 to 10 mph, with gusts as high as 15 mph.

    Low: 77 °F

    Chance
    T-storms then
    Slight Chance
    T-storms

  • Saturday

    Saturday: A chance of showers, with thunderstorms also possible after 11am. Partly sunny, with a high near 84. South wind 5 to 11 mph becoming east in the afternoon. Chance of precipitation is 50%.

    High: 84 °F

    Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before 2am, then a slight chance of showers between 2am and 5am, then a slight chance of showers and thunderstorms after 5am. Mostly cloudy, with a low around 78. Chance of precipitation is 30%.

    Low: 78 °F

    Chance
    T-storms then
    Chance
    Showers

  • Sunday

    Sunday: A 40 percent chance of showers and thunderstorms, mainly after 8am. Partly sunny, with a high near 84.

    High: 84 °F

    Chance
    T-storms

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 79.

    Low: 79 °F

    Mostly Cloudy

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms, mainly before 2pm. Mostly sunny, with a high near 84.

    High: 84 °F

    Chance
    T-storms

Detailed Forecast

This Afternoon
A 30 percent chance of showers and thunderstorms, mainly after 4pm. Partly sunny, with a steady temperature around 81. Southeast wind around 11 mph.
Tonight
A 30 percent chance of showers and thunderstorms, mainly before 9pm. Mostly cloudy, with a low around 77. South wind 7 to 10 mph.
Friday
A 30 percent chance of showers and thunderstorms, mainly after 2pm. Increasing clouds, with a high near 85. Southwest wind 7 to 13 mph becoming southeast in the afternoon. Winds could gust as high as 17 mph.
Friday Night
A 50 percent chance of showers and thunderstorms, mainly before 11pm. Mostly cloudy, with a low around 77. South wind 8 to 10 mph, with gusts as high as 15 mph.
Saturday
A chance of showers, with thunderstorms also possible after 11am. Partly sunny, with a high near 84. South wind 5 to 11 mph becoming east in the afternoon. Chance of precipitation is 50%.
Saturday Night
A chance of showers and thunderstorms before 2am, then a slight chance of showers between 2am and 5am, then a slight chance of showers and thunderstorms after 5am. Mostly cloudy, with a low around 78. Chance of precipitation is 30%.
Sunday
A 40 percent chance of showers and thunderstorms, mainly after 8am. Partly sunny, with a high near 84.
Sunday Night
Mostly cloudy, with a low around 79.
Monday
A 30 percent chance of showers and thunderstorms, mainly before 2pm. Mostly sunny, with a high near 84.
Monday Night
A 10 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 79.
Tuesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 85.
Tuesday Night
Partly cloudy, with a low around 78.
Wednesday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 85.
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ABOUT THIS FORECAST

 
Point Forecast:
Jacksonville Beach FL
 30.3°N 81.39°W
Last Update:
2:21 pm EDT Aug 27, 2026
Forecast Valid:
3pm EDT Aug 27, 2026-6pm EDT Sep 2, 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