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.

Light Rain

77°F

25°C

Humidity 90%
Wind Speed S 6 mph
Barometer 29.95 in (1014.2 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 3 Aug 5:52 pm EDT
Extended Forecast for

Jacksonville Beach FL

Flood Watch August 3, 06:31pm until August 4, 12:00am
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch August 3, 06:31pm until August 4, 12:00am

    NOW until 12:00am Mon

    Flood Watch

  • Tonight

    Low: 77 °F

    Heavy Rain
    then Slight
    Chance
    T-storms and
    Patchy Fog

  • Monday

    Monday: A 40 percent chance of showers and thunderstorms, mainly after 1pm. Patchy fog before 8am. Otherwise, mostly sunny, with a high near 89. Heat index values as high as 105. Light and variable wind becoming east 5 to 10 mph in the morning. Winds could gust as high as 16 mph.

    High: 89 °F

    Patchy Fog
    then Chance
    T-storms

  • Monday Night

    Monday Night: Showers and thunderstorms, mainly before 8pm. Low around 78. Southeast wind 6 to 9 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 78 °F

    T-storms then
    Chance
    T-storms

  • Tuesday

    Tuesday: A chance of showers, then showers and thunderstorms likely after 11am. Sunny, with a high near 89. Heat index values as high as 105. East wind 5 to 10 mph, with gusts as high as 16 mph. Chance of precipitation is 70%.

    High: 89 °F

    Chance
    T-storms then
    T-storms
    Likely

  • Tuesday Night

    Tuesday Night: Showers and thunderstorms likely before 2am, then a slight chance of showers. Mostly cloudy, with a low around 78. East wind 5 to 7 mph. Chance of precipitation is 60%.

    Low: 78 °F

    T-storms
    Likely then
    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers, then showers and thunderstorms likely after 11am. Mostly sunny, with a high near 89. Chance of precipitation is 70%.

    High: 89 °F

    Chance
    T-storms then
    T-storms
    Likely

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms likely, mainly before 8pm. Partly cloudy, with a low around 77. Chance of precipitation is 60%.

    Low: 77 °F

    T-storms
    Likely

  • Thursday

    Thursday: Showers and thunderstorms, mainly after 2pm. High near 87. Chance of precipitation is 80%.

    High: 87 °F

    Chance
    T-storms then
    T-storms

Detailed Forecast

Tonight
Showers and thunderstorms likely before 2am, then a slight chance of showers. Some of the storms could produce heavy rainfall. Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 77. Northeast wind 5 to 9 mph becoming light east after midnight. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Monday
A 40 percent chance of showers and thunderstorms, mainly after 1pm. Patchy fog before 8am. Otherwise, mostly sunny, with a high near 89. Heat index values as high as 105. Light and variable wind becoming east 5 to 10 mph in the morning. Winds could gust as high as 16 mph.
Monday Night
Showers and thunderstorms, mainly before 8pm. Low around 78. Southeast wind 6 to 9 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday
A chance of showers, then showers and thunderstorms likely after 11am. Sunny, with a high near 89. Heat index values as high as 105. East wind 5 to 10 mph, with gusts as high as 16 mph. Chance of precipitation is 70%.
Tuesday Night
Showers and thunderstorms likely before 2am, then a slight chance of showers. Mostly cloudy, with a low around 78. East wind 5 to 7 mph. Chance of precipitation is 60%.
Wednesday
A chance of showers, then showers and thunderstorms likely after 11am. Mostly sunny, with a high near 89. Chance of precipitation is 70%.
Wednesday Night
Showers and thunderstorms likely, mainly before 8pm. Partly cloudy, with a low around 77. Chance of precipitation is 60%.
Thursday
Showers and thunderstorms, mainly after 2pm. High near 87. Chance of precipitation is 80%.
Thursday Night
Showers and thunderstorms before 2am, then a chance of showers. Low around 76. Chance of precipitation is 80%.
Friday
A chance of showers, then showers and thunderstorms likely after 8am. Mostly sunny, with a high near 86. Chance of precipitation is 70%.
Friday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 77. Chance of precipitation is 60%.
Saturday
Showers and thunderstorms. High near 88. Chance of precipitation is 80%.
Saturday Night
Showers and thunderstorms. Low around 78. Chance of precipitation is 80%.
Sunday
Showers and thunderstorms likely. Mostly sunny, with a high near 89. Chance of precipitation is 70%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Jacksonville Beach FL
 30.27°N 81.39°W
Last Update:
1:26 pm EDT Aug 3, 2025
Forecast Valid:
6pm EDT Aug 3, 2025-6pm EDT Aug 10, 2025
 
Forecast Discussion
 
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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