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.

Fair

78°F

26°C

Humidity 93%
Wind Speed Calm
Barometer 29.98 in (1015.2 mb)
Dewpoint 76°F (24°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 3 Aug 2:52 am EDT
Extended Forecast for

Jacksonville Beach FL

Flood Watch August 3, 12:00pm until August 4, 12:00am
Click here for hazard details and duration
Flood Watch

  • Overnight

    Overnight: A 30 percent chance of showers. Mostly cloudy, with a low around 78. Northwest wind around 6 mph.

    Low: 78 °F

    Chance
    Showers

  • Sunday

    Sunday: Showers and thunderstorms. Some of the storms could produce heavy rainfall. High near 83. West wind 6 to 10 mph becoming east in the afternoon. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.

    High: 83 °F

    Chance
    T-storms then
    Heavy Rain

  • Sunday Night

    Sunday Night: Showers and thunderstorms likely, mainly before 2am. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 78. Northeast wind 6 to 9 mph becoming southeast after midnight. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 78 °F

    Heavy Rain
    then Chance
    Showers

  • Monday

    Monday: A chance of showers, then showers and thunderstorms likely after 11am. Mostly sunny, with a high near 84. Southwest wind 6 to 11 mph becoming northeast in the afternoon. Chance of precipitation is 70%.

    High: 84 °F

    Chance
    Showers then
    T-storms
    Likely

  • Monday Night

    Monday Night: Showers and thunderstorms likely before 5am, then a slight chance of showers. Partly cloudy, with a low around 79. East wind 7 to 10 mph. Chance of precipitation is 60%.

    Low: 79 °F

    T-storms
    Likely then
    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers, then showers and thunderstorms likely after 11am. Mostly sunny, with a high near 84. Chance of precipitation is 70%.

    High: 84 °F

    T-storms
    Likely

  • Tuesday Night

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

    Low: 79 °F

    T-storms
    Likely then
    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2pm. High near 83. Chance of precipitation is 80%.

    High: 83 °F

    Chance
    T-storms then
    T-storms

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms after 8pm. Low around 79. Chance of precipitation is 80%.

    Low: 79 °F

    T-storms then
    Chance
    T-storms

Detailed Forecast

Overnight
A 30 percent chance of showers. Mostly cloudy, with a low around 78. Northwest wind around 6 mph.
Sunday
Showers and thunderstorms. Some of the storms could produce heavy rainfall. High near 83. West wind 6 to 10 mph becoming east in the afternoon. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.
Sunday Night
Showers and thunderstorms likely, mainly before 2am. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 78. Northeast wind 6 to 9 mph becoming southeast after midnight. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Monday
A chance of showers, then showers and thunderstorms likely after 11am. Mostly sunny, with a high near 84. Southwest wind 6 to 11 mph becoming northeast in the afternoon. Chance of precipitation is 70%.
Monday Night
Showers and thunderstorms likely before 5am, then a slight chance of showers. Partly cloudy, with a low around 79. East wind 7 to 10 mph. Chance of precipitation is 60%.
Tuesday
A chance of showers, then showers and thunderstorms likely after 11am. Mostly sunny, with a high near 84. Chance of precipitation is 70%.
Tuesday Night
Showers and thunderstorms likely before 11pm, then a chance of showers between 11pm and 2am, then a chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 79. Chance of precipitation is 60%.
Wednesday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2pm. High near 83. Chance of precipitation is 80%.
Wednesday Night
Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms after 8pm. Low around 79. Chance of precipitation is 80%.
Thursday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2pm. High near 83. Chance of precipitation is 80%.
Thursday Night
Showers and thunderstorms. Low around 79. Chance of precipitation is 80%.
Friday
Showers and thunderstorms. High near 83. Chance of precipitation is 80%.
Friday Night
Showers and thunderstorms. Low around 78. Chance of precipitation is 80%.
Saturday
Showers and thunderstorms likely. Mostly sunny, with a high near 83. Chance of precipitation is 70%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Jacksonville Beach FL
 30.3°N 81.39°W
Last Update:
1:26 am EDT Aug 3, 2025
Forecast Valid:
3am EDT Aug 3, 2025-6pm EDT Aug 9, 2025
 
Forecast Discussion
 
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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