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

80°F

27°C

Humidity 82%
Wind Speed S 6 mph
Barometer 30.07 in (1018.0 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 17 Jun 3:52 am EDT
Extended Forecast for

Mayport Naval Station FL

  • Today

    Today: A 30 percent chance of showers and thunderstorms, mainly after 3pm. Mostly sunny, with a high near 91. Heat index values as high as 103. Southwest wind 6 to 13 mph becoming southeast in the afternoon. Winds could gust as high as 20 mph.

    High: 91 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before 9pm. Partly cloudy, with a low around 76. South wind 8 to 13 mph, with gusts as high as 20 mph.

    Low: 76 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 91. Heat index values as high as 102. South wind 6 to 11 mph becoming southeast in the afternoon. Winds could gust as high as 17 mph.

    High: 91 °F

    Sunny then
    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 10 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 76. South wind 7 to 11 mph, with gusts as high as 17 mph.

    Low: 76 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Juneteenth

    Juneteenth: A 40 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 92. Southwest wind 6 to 10 mph becoming southeast in the afternoon. Winds could gust as high as 16 mph.

    High: 92 °F

    Sunny then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 2am, then a slight chance of showers. Mostly cloudy, with a low around 77. Chance of precipitation is 30%.

    Low: 77 °F

    Chance
    T-storms

  • Friday

    Friday: A slight chance of showers, then a chance of showers and thunderstorms after 8am. Mostly sunny, with a high near 91. Chance of precipitation is 50%.

    High: 91 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms, mainly before 8pm. Mostly cloudy, with a low around 77.

    Low: 77 °F

    Chance
    T-storms

  • Saturday

    Saturday: A 40 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 91.

    High: 91 °F

    Chance
    T-storms

Detailed Forecast

Today
A 30 percent chance of showers and thunderstorms, mainly after 3pm. Mostly sunny, with a high near 91. Heat index values as high as 103. Southwest wind 6 to 13 mph becoming southeast in the afternoon. Winds could gust as high as 20 mph.
Tonight
A 20 percent chance of showers and thunderstorms before 9pm. Partly cloudy, with a low around 76. South wind 8 to 13 mph, with gusts as high as 20 mph.
Wednesday
A 20 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 91. Heat index values as high as 102. South wind 6 to 11 mph becoming southeast in the afternoon. Winds could gust as high as 17 mph.
Wednesday Night
A 10 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 76. South wind 7 to 11 mph, with gusts as high as 17 mph.
Juneteenth
A 40 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 92. Southwest wind 6 to 10 mph becoming southeast in the afternoon. Winds could gust as high as 16 mph.
Thursday Night
A chance of showers and thunderstorms before 2am, then a slight chance of showers. Mostly cloudy, with a low around 77. Chance of precipitation is 30%.
Friday
A slight chance of showers, then a chance of showers and thunderstorms after 8am. Mostly sunny, with a high near 91. Chance of precipitation is 50%.
Friday Night
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Mostly cloudy, with a low around 77.
Saturday
A 40 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 91.
Saturday Night
A 30 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 76.
Sunday
A 30 percent chance of showers and thunderstorms. Sunny, with a high near 90.
Sunday Night
A 30 percent chance of showers and thunderstorms. Mostly clear, with a low around 76.
Monday
A 30 percent chance of showers and thunderstorms. Sunny, with a high near 91.
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ABOUT THIS FORECAST

 
Point Forecast:
Mayport Naval Station FL
 30.41°N 81.43°W
Last Update:
2:45 am EDT Jun 17, 2025
Forecast Valid:
4am EDT Jun 17, 2025-6pm EDT Jun 23, 2025
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation