National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Mayport Naval Station - Adm David L. McDonald Field (KNRB)

Lat: 30.4°NLon: 81.42°WElev: 13ft.

Mostly Cloudy

86°F

30°C

Humidity 77%
Wind Speed S 10 mph
Barometer 29.78 in (1008.4 mb)
Dewpoint 78°F (26°C)
Visibility 10.00 mi
Heat Index98°F (37°C)
Last update 28 Jul 7:52 pm EDT
Extended Forecast for

Mayport Naval Station FL

Extreme Heat Watch July 29, 11:00am until July 29, 08:00pm
Click here for hazard details and duration
Extreme Heat Watch

  • Tonight

    Tonight: Partly cloudy, with a low around 79. Breezy, with a southwest wind 13 to 15 mph, with gusts as high as 21 mph.

    Low: 79 °F

    Partly Cloudy
    and Breezy
    then Partly
    Cloudy

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms, mainly after 3pm. Mostly sunny and hot, with a high near 98. Heat index values as high as 114. Southwest wind around 14 mph, with gusts as high as 17 mph.

    High: 98 °F

    Mostly Sunny
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms likely before 2am, then a slight chance of showers between 2am and 4am. Cloudy, then gradually becoming partly cloudy, with a low around 78. Breezy, with a west wind 13 to 15 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 78 °F

    T-storms
    Likely then
    Slight Chance
    T-storms and
    Breezy

  • Thursday

    Thursday: A slight chance of showers, then showers and thunderstorms likely after 11am. Mostly sunny, with a high near 93. Heat index values as high as 105. West wind 10 to 13 mph. Chance of precipitation is 60%.

    High: 93 °F

    Slight Chance
    T-storms then
    T-storms
    Likely

  • Thursday Night

    Thursday Night: Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 77. Southwest wind around 11 mph. Chance of precipitation is 60%.

    Low: 77 °F

    T-storms
    Likely then
    Chance
    Showers

  • Friday

    Friday: Showers and thunderstorms likely, mainly after 2pm. Mostly sunny, with a high near 91. Chance of precipitation is 60%.

    High: 91 °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 77. Chance of precipitation is 60%.

    Low: 77 °F

    T-storms
    Likely

  • Saturday

    Saturday: Showers and thunderstorms likely, mainly after 2pm. Partly sunny, with a high near 87. Chance of precipitation is 70%.

    High: 87 °F

    Chance
    Showers then
    T-storms
    Likely

  • Saturday Night

    Saturday Night: Showers and thunderstorms likely before 2am, then a slight chance of showers. Mostly cloudy, with a low around 77. Breezy. Chance of precipitation is 60%.

    Low: 77 °F

    Breezy.
    T-storms
    Likely then
    Slight Chance
    T-storms

Detailed Forecast

Tonight
Partly cloudy, with a low around 79. Breezy, with a southwest wind 13 to 15 mph, with gusts as high as 21 mph.
Wednesday
A 30 percent chance of showers and thunderstorms, mainly after 3pm. Mostly sunny and hot, with a high near 98. Heat index values as high as 114. Southwest wind around 14 mph, with gusts as high as 17 mph.
Wednesday Night
Showers and thunderstorms likely before 2am, then a slight chance of showers between 2am and 4am. Cloudy, then gradually becoming partly cloudy, with a low around 78. Breezy, with a west wind 13 to 15 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Thursday
A slight chance of showers, then showers and thunderstorms likely after 11am. Mostly sunny, with a high near 93. Heat index values as high as 105. West wind 10 to 13 mph. Chance of precipitation is 60%.
Thursday Night
Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 77. Southwest wind around 11 mph. Chance of precipitation is 60%.
Friday
Showers and thunderstorms likely, mainly after 2pm. Mostly sunny, with a high near 91. Chance of precipitation is 60%.
Friday Night
Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 77. Chance of precipitation is 60%.
Saturday
Showers and thunderstorms likely, mainly after 2pm. Partly sunny, with a high near 87. Chance of precipitation is 70%.
Saturday Night
Showers and thunderstorms likely before 2am, then a slight chance of showers. Mostly cloudy, with a low around 77. Breezy. Chance of precipitation is 60%.
Sunday
A chance of showers, then showers and thunderstorms likely after 8am. Mostly cloudy, with a high near 85. Breezy. Chance of precipitation is 70%.
Sunday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 77. Breezy. Chance of precipitation is 60%.
Monday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 87.
Monday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 77.
Tuesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mayport Naval Station FL
 30.39°N 81.4°W
Last Update:
7:46 pm EDT Jul 28, 2026
Forecast Valid:
8pm EDT Jul 28, 2026-6pm EDT Aug 4, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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