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

88°F

31°C

Humidity 66%
Wind Speed SW 8 mph
Barometer 30.14 in (1020.5 mb)
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index98°F (37°C)
Last update 15 Jun 9:52 am EDT
Extended Forecast for

5 Miles NW Mayport Naval Station FL

  • Today

    Today: Showers and thunderstorms, mainly after 4pm. High near 92. Heat index values as high as 102. South wind 5 to 11 mph becoming southeast in the afternoon. Winds could gust as high as 17 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 92 °F

    Mostly Sunny
    then T-storms

  • Tonight

    Tonight: Showers and thunderstorms, mainly before 11pm. Low around 76. South wind 6 to 10 mph, with gusts as high as 16 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 76 °F

    T-storms then
    Mostly Cloudy

  • Monday

    Monday: Showers and thunderstorms likely, mainly after 5pm. Partly sunny, with a high near 91. Heat index values as high as 102. Light and variable wind becoming southeast 6 to 11 mph in the morning. Winds could gust as high as 17 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 91 °F

    Mostly Sunny
    then T-storms
    Likely

  • Monday Night

    Monday Night: Showers and thunderstorms likely, mainly before 11pm. Mostly cloudy, with a low around 76. South wind 5 to 11 mph, with gusts as high as 17 mph. Chance of precipitation is 60%.

    Low: 76 °F

    T-storms
    Likely then
    Slight Chance
    T-storms

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 92. Southwest wind 5 to 11 mph becoming southeast in the afternoon. Winds could gust as high as 17 mph.

    High: 92 °F

    Sunny then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 76.

    Low: 76 °F

    Chance
    T-storms then
    Partly Cloudy

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 92.

    High: 92 °F

    Sunny then
    Chance
    T-storms

  • Wednesday Night

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

    Low: 77 °F

    Chance
    T-storms then
    Partly Cloudy

  • Juneteenth

    Juneteenth: A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 93.

    High: 93 °F

    Mostly Sunny
    then Chance
    T-storms

Detailed Forecast

Today
Showers and thunderstorms, mainly after 4pm. High near 92. Heat index values as high as 102. South wind 5 to 11 mph becoming southeast in the afternoon. Winds could gust as high as 17 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Tonight
Showers and thunderstorms, mainly before 11pm. Low around 76. South wind 6 to 10 mph, with gusts as high as 16 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Monday
Showers and thunderstorms likely, mainly after 5pm. Partly sunny, with a high near 91. Heat index values as high as 102. Light and variable wind becoming southeast 6 to 11 mph in the morning. Winds could gust as high as 17 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday Night
Showers and thunderstorms likely, mainly before 11pm. Mostly cloudy, with a low around 76. South wind 5 to 11 mph, with gusts as high as 17 mph. Chance of precipitation is 60%.
Tuesday
A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 92. Southwest wind 5 to 11 mph becoming southeast in the afternoon. Winds could gust as high as 17 mph.
Tuesday Night
A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 76.
Wednesday
A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 92.
Wednesday Night
A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 77.
Juneteenth
A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 93.
Thursday Night
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 76.
Friday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 92.
Friday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 76.
Saturday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NW Mayport Naval Station FL
 30.44°N 81.48°W
Last Update:
9:50 am EDT Jun 15, 2025
Forecast Valid:
9am EDT Jun 15, 2025-6pm EDT Jun 21, 2025
 
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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