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.

Thunderstorm Light Rain

80°F

27°C

Humidity 82%
Wind Speed Calm
Barometer 30.01 in (1016.3 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 14 Jul 3:52 am EDT
Extended Forecast for

Mayport Naval Station FL

Flood Advisory until July 14, 06:30am
Click here for hazard details and duration
Flood Advisory
  •  
    Flood Advisory until July 14, 06:30am

    NOW until 6:30am Mon

    Flood Advisory

  • Overnight

    Low: 77 °F

    Slight Chance
    Showers

  • Monday

    Monday: A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 89. Heat index values as high as 100. Northwest wind 7 to 14 mph becoming northeast in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 40%.

    High: 89 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Monday Night

    Monday Night: A slight chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 11pm. Partly cloudy, with a low around 78. North wind 6 to 10 mph, with gusts as high as 16 mph. Chance of precipitation is 20%.

    Low: 78 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • 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. Heat index values as high as 100. Northeast wind 6 to 13 mph becoming east in the afternoon. Winds could gust as high as 20 mph. 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. Partly cloudy, with a low around 80. Southeast wind 8 to 10 mph, with gusts as high as 16 mph. Chance of precipitation is 60%.

    Low: 80 °F

    Showers
    Likely then
    Slight Chance
    Showers

  • Wednesday

    Wednesday: Showers and thunderstorms likely, mainly between 2pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Sunny, with a high near 93. Breezy. Chance of precipitation is 70%.

    High: 93 °F

    Chance
    Showers then
    T-storms
    Likely and
    Breezy

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms likely before 11pm, then a slight chance of showers between 11pm and 2am. Partly cloudy, with a low around 80. Chance of precipitation is 60%.

    Low: 80 °F

    Showers
    Likely then
    Slight Chance
    Showers

  • Thursday

    Thursday: A slight chance of thunderstorms, then showers and thunderstorms likely after 8am. Mostly sunny, with a high near 94. Chance of precipitation is 60%.

    High: 94 °F

    Slight Chance
    T-storms then
    T-storms
    Likely

Detailed Forecast

Overnight
A 20 percent chance of showers before 5am. Partly cloudy, with a low around 77. West wind around 8 mph.
Monday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 89. Heat index values as high as 100. Northwest wind 7 to 14 mph becoming northeast in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 40%.
Monday Night
A slight chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 11pm. Partly cloudy, with a low around 78. North wind 6 to 10 mph, with gusts as high as 16 mph. Chance of precipitation is 20%.
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. Heat index values as high as 100. Northeast wind 6 to 13 mph becoming east in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 60%.
Tuesday Night
Showers and thunderstorms likely before 11pm, then a slight chance of showers between 11pm and 2am. Partly cloudy, with a low around 80. Southeast wind 8 to 10 mph, with gusts as high as 16 mph. Chance of precipitation is 60%.
Wednesday
Showers and thunderstorms likely, mainly between 2pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Sunny, with a high near 93. Breezy. Chance of precipitation is 70%.
Wednesday Night
Showers and thunderstorms likely before 11pm, then a slight chance of showers between 11pm and 2am. Partly cloudy, with a low around 80. Chance of precipitation is 60%.
Thursday
A slight chance of thunderstorms, then showers and thunderstorms likely after 8am. Mostly sunny, with a high near 94. Chance of precipitation is 60%.
Thursday Night
Showers and thunderstorms likely before 8pm. Partly cloudy, with a low around 80. Chance of precipitation is 60%.
Friday
A 50 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny and hot, with a high near 95.
Friday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 79.
Saturday
A 40 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 96.
Saturday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 80.
Sunday
Showers and thunderstorms likely. Mostly sunny and hot, with a high near 96. Chance of precipitation is 60%.
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ABOUT THIS FORECAST

 
Point Forecast:
Mayport Naval Station FL
 30.39°N 81.43°W
Last Update:
1:26 am EDT Jul 14, 2025
Forecast Valid:
4am EDT Jul 14, 2025-6pm EDT Jul 20, 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