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

83°F

28°C

Humidity 77%
Wind Speed S 9 mph
Barometer 29.99 in (1015.5 mb)
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index90°F (32°C)
Last update 13 Jul 6:52 pm EDT
Extended Forecast for

Neptune Beach FL

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 78. Southwest wind 8 to 11 mph, with gusts as high as 16 mph.

    Low: 78 °F

    Chance
    T-storms

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 88. Heat index values as high as 100. Northwest wind 8 to 13 mph becoming northeast in the afternoon. Winds could gust as high as 17 mph.

    High: 88 °F

    Mostly Sunny
    then Chance
    T-storms

  • Monday Night

    Monday Night: A 20 percent chance of showers and thunderstorms, mainly between 11pm and 1am. Partly cloudy, with a low around 78. East wind 7 to 10 mph, with gusts as high as 15 mph.

    Low: 78 °F

    Slight Chance
    T-storms

  • 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 83. Breezy, with an east wind 9 to 15 mph, with gusts as high as 21 mph. Chance of precipitation is 60%.

    High: 83 °F

    T-storms
    Likely and
    Breezy

  • 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 78. South wind 11 to 13 mph, with gusts as high as 17 mph. Chance of precipitation is 60%.

    Low: 78 °F

    Showers
    Likely then
    Slight Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers, then showers and thunderstorms likely after 11am. Mostly sunny, with a high near 83. Breezy. Chance of precipitation is 70%.

    High: 83 °F

    Chance
    Showers then
    T-storms
    Likely and
    Breezy

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms likely, mainly before 8pm. Partly cloudy, with a low around 79. Breezy. Chance of precipitation is 60%.

    Low: 79 °F

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

  • Thursday

    Thursday: Showers and thunderstorms likely, mainly after 2pm. Mostly sunny, with a high near 84. Breezy. Chance of precipitation is 70%.

    High: 84 °F

    Chance
    T-storms then
    T-storms
    Likely and
    Breezy

  • Thursday Night

    Thursday Night: Showers and thunderstorms likely before 8pm. Partly cloudy, with a low around 78. Chance of precipitation is 60%.

    Low: 78 °F

    T-storms
    Likely then
    Mostly Clear

Detailed Forecast

Tonight
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 78. Southwest wind 8 to 11 mph, with gusts as high as 16 mph.
Monday
A 30 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 88. Heat index values as high as 100. Northwest wind 8 to 13 mph becoming northeast in the afternoon. Winds could gust as high as 17 mph.
Monday Night
A 20 percent chance of showers and thunderstorms, mainly between 11pm and 1am. Partly cloudy, with a low around 78. East wind 7 to 10 mph, with gusts as high as 15 mph.
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 83. Breezy, with an east wind 9 to 15 mph, with gusts as high as 21 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 78. South wind 11 to 13 mph, with gusts as high as 17 mph. Chance of precipitation is 60%.
Wednesday
A chance of showers, then showers and thunderstorms likely after 11am. Mostly sunny, with a high near 83. Breezy. Chance of precipitation is 70%.
Wednesday Night
Showers and thunderstorms likely, mainly before 8pm. Partly cloudy, with a low around 79. Breezy. Chance of precipitation is 60%.
Thursday
Showers and thunderstorms likely, mainly after 2pm. Mostly sunny, with a high near 84. Breezy. Chance of precipitation is 70%.
Thursday Night
Showers and thunderstorms likely before 8pm. Partly cloudy, with a low around 78. Chance of precipitation is 60%.
Friday
Showers and thunderstorms likely, mainly after 2pm. Sunny, with a high near 85. Chance of precipitation is 60%.
Friday Night
Showers and thunderstorms likely. Mostly clear, with a low around 78. Chance of precipitation is 60%.
Saturday
A 50 percent chance of showers and thunderstorms. Sunny, with a high near 86.
Saturday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 78.
Sunday
Showers and thunderstorms likely. Mostly sunny, with a high near 88. Chance of precipitation is 60%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Neptune Beach FL
 30.32°N 81.38°W
Last Update:
6:51 pm EDT Jul 13, 2025
Forecast Valid:
7pm EDT Jul 13, 2025-6pm EDT Jul 20, 2025
 
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Additional Resources

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Chance of Precipitation