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 82%
Wind Speed SW 6 mph
Barometer 30.05 in (1017.4 mb)
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index87°F (31°C)
Last update 13 Jul 2:52 am EDT
Extended Forecast for

Mayport Naval Station FL

  • Overnight

    Overnight: A 20 percent chance of showers. Mostly cloudy, with a low around 78. Southwest wind around 8 mph.

    Low: 78 °F

    Slight Chance
    Showers

  • Sunday

    Sunday: A slight chance of showers, then showers and thunderstorms likely after 2pm. Partly sunny, with a high near 92. Heat index values as high as 105. West wind around 10 mph becoming east in the afternoon. Winds could gust as high as 16 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 92 °F

    Mostly Sunny
    then T-storms
    Likely

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 5am. Mostly cloudy, with a low around 77. South wind around 9 mph becoming west after midnight. Chance of precipitation is 40%.

    Low: 77 °F

    Chance
    T-storms then
    Slight Chance
    Showers

  • Monday

    Monday: A slight chance of showers, then showers and thunderstorms likely after 11am. Sunny and hot, with a high near 95. Heat index values as high as 106. Northwest wind 6 to 9 mph becoming northeast in the afternoon. Chance of precipitation is 60%.

    High: 95 °F

    Slight Chance
    T-storms then
    T-storms
    Likely

  • Monday Night

    Monday Night: Showers and thunderstorms likely before 11pm, then a slight chance of showers between 11pm and 2am. Partly cloudy, with a low around 80. East wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 60%.

    Low: 80 °F

    T-storms
    Likely then
    Slight Chance
    Showers

  • Tuesday

    Tuesday: Showers and thunderstorms likely, mainly between 2pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Mostly sunny, with a high near 92. Chance of precipitation is 60%.

    High: 92 °F

    Chance
    T-storms then
    T-storms
    Likely

  • Tuesday Night

    Tuesday Night: Showers and thunderstorms likely before 11pm, then a slight chance of showers between 11pm and 2am. Mostly clear, with a low around 79. Chance of precipitation is 60%.

    Low: 79 °F

    Showers
    Likely then
    Slight Chance
    Showers

  • Wednesday

    Wednesday: A slight chance of thunderstorms, then showers and thunderstorms likely after 8am. Mostly sunny, with a high near 92. Breezy. Chance of precipitation is 70%.

    High: 92 °F

    Chance
    Showers then
    T-storms
    Likely and
    Breezy

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 79. Chance of precipitation is 60%.

    Low: 79 °F

    T-storms
    Likely then
    Slight Chance
    T-storms

Detailed Forecast

Overnight
A 20 percent chance of showers. Mostly cloudy, with a low around 78. Southwest wind around 8 mph.
Sunday
A slight chance of showers, then showers and thunderstorms likely after 2pm. Partly sunny, with a high near 92. Heat index values as high as 105. West wind around 10 mph becoming east in the afternoon. Winds could gust as high as 16 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 5am. Mostly cloudy, with a low around 77. South wind around 9 mph becoming west after midnight. Chance of precipitation is 40%.
Monday
A slight chance of showers, then showers and thunderstorms likely after 11am. Sunny and hot, with a high near 95. Heat index values as high as 106. Northwest wind 6 to 9 mph becoming northeast in the afternoon. Chance of precipitation is 60%.
Monday Night
Showers and thunderstorms likely before 11pm, then a slight chance of showers between 11pm and 2am. Partly cloudy, with a low around 80. East wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 60%.
Tuesday
Showers and thunderstorms likely, mainly between 2pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Mostly sunny, with a high near 92. Chance of precipitation is 60%.
Tuesday Night
Showers and thunderstorms likely before 11pm, then a slight chance of showers between 11pm and 2am. Mostly clear, with a low around 79. Chance of precipitation is 60%.
Wednesday
A slight chance of thunderstorms, then showers and thunderstorms likely after 8am. Mostly sunny, with a high near 92. Breezy. Chance of precipitation is 70%.
Wednesday Night
Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 79. Chance of precipitation is 60%.
Thursday
Showers and thunderstorms likely, mainly after 2pm. Mostly sunny, with a high near 93. Chance of precipitation is 70%.
Thursday Night
Showers and thunderstorms likely. Partly cloudy, with a low around 80. Chance of precipitation is 60%.
Friday
Showers and thunderstorms likely. Mostly sunny, with a high near 94. Chance of precipitation is 60%.
Friday Night
Showers and thunderstorms likely. Partly cloudy, with a low around 79. Chance of precipitation is 60%.
Saturday
A 40 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 95.
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ABOUT THIS FORECAST

 
Point Forecast:
Mayport Naval Station FL
 30.39°N 81.43°W
Last Update:
1:56 am EDT Jul 13, 2025
Forecast Valid:
3am EDT Jul 13, 2025-6pm EDT Jul 19, 2025
 
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Additional Resources

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High Temperature

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Chance of Precipitation