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

81°F

27°C

Humidity 79%
Wind Speed S 7 mph
Barometer 30.08 in (1018.4 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 18 Jun 3:52 am EDT
Extended Forecast for

2 Miles S Mayport Naval Station FL

  • Today

    Today: A 20 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 89. Heat index values as high as 102. South wind 7 to 13 mph becoming southeast in the afternoon. Winds could gust as high as 17 mph.

    High: 89 °F

    Sunny then
    Slight Chance
    T-storms

  • Tonight

    Tonight: Partly cloudy, with a low around 77. Breezy, with a south wind 8 to 15 mph, with gusts as high as 21 mph.

    Low: 77 °F

    Partly Cloudy
    and Breezy
    then Partly
    Cloudy

  • Juneteenth

    Juneteenth: A 50 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 90. Heat index values as high as 101. Southeast wind 6 to 11 mph, with gusts as high as 16 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 90 °F

    Sunny then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 5am, then a slight chance of showers. Mostly cloudy, with a low around 77. South wind 7 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 30%.

    Low: 77 °F

    Chance
    T-storms

  • Friday

    Friday: A slight chance of showers, then showers and thunderstorms likely after 11am. Mostly sunny, with a high near 90. Southwest wind 6 to 9 mph becoming southeast in the afternoon. Chance of precipitation is 60%.

    High: 90 °F

    Slight Chance
    T-storms then
    T-storms
    Likely

  • Friday Night

    Friday Night: Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 76. Chance of precipitation is 60%.

    Low: 76 °F

    T-storms
    Likely then
    Chance
    T-storms

  • Saturday

    Saturday: A 40 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 88.

    High: 88 °F

    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 76.

    Low: 76 °F

    Chance
    T-storms then
    Mostly Clear

  • Sunday

    Sunday: A 40 percent chance of showers and thunderstorms, mainly after 2pm. Sunny, with a high near 87.

    High: 87 °F

    Chance
    T-storms

Detailed Forecast

Today
A 20 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 89. Heat index values as high as 102. South wind 7 to 13 mph becoming southeast in the afternoon. Winds could gust as high as 17 mph.
Tonight
Partly cloudy, with a low around 77. Breezy, with a south wind 8 to 15 mph, with gusts as high as 21 mph.
Juneteenth
A 50 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 90. Heat index values as high as 101. Southeast wind 6 to 11 mph, with gusts as high as 16 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A chance of showers and thunderstorms before 5am, then a slight chance of showers. Mostly cloudy, with a low around 77. South wind 7 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 30%.
Friday
A slight chance of showers, then showers and thunderstorms likely after 11am. Mostly sunny, with a high near 90. Southwest wind 6 to 9 mph becoming southeast in the afternoon. Chance of precipitation is 60%.
Friday Night
Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 76. Chance of precipitation is 60%.
Saturday
A 40 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 88.
Saturday Night
A 30 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 76.
Sunday
A 40 percent chance of showers and thunderstorms, mainly after 2pm. Sunny, with a high near 87.
Sunday Night
A 30 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 76.
Monday
A 30 percent chance of showers and thunderstorms. Sunny, with a high near 88.
Monday Night
A 30 percent chance of showers and thunderstorms. Mostly clear, with a low around 76.
Tuesday
A 40 percent chance of showers and thunderstorms. Sunny, with a high near 89.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles S Mayport Naval Station FL
 30.37°N 81.41°W
Last Update:
3:50 am EDT Jun 18, 2025
Forecast Valid:
4am EDT Jun 18, 2025-6pm EDT Jun 24, 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