Strong to Isolated Severe Storms Bring a Slight Risk of Flash Flooding Today

Increasing moisture and slower moving thunderstorms will bring an increased potential for heavy rain over short durations late this afternoon and early evening. Flooding concerns will be concentrated along the I-95 corridor with the highest threat being in the urban/city areas, especially in areas or on roadways with poor drainage. Read More >

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 76%
Wind Speed W 10 mph
Barometer 30.02 in (1016.5 mb)
Dewpoint 72°F (22°C)
Visibility 7.00 mi
Heat Index84°F (29°C)
Last update 25 Aug 2:52 pm EDT
Extended Forecast for

Neptune Beach FL

  • This Afternoon

    This Afternoon: Showers and thunderstorms likely, mainly after 5pm.  Partly sunny, with a high near 91. Heat index values as high as 103. Southeast wind around 11 mph, with gusts as high as 16 mph.  Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 91 °F

    T-storms
    Likely

  • Tonight

    Tonight: Showers and thunderstorms likely, mainly before 1am.  Mostly cloudy, with a low around 77. South wind 7 to 13 mph, with gusts as high as 17 mph.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 77 °F

    T-storms
    Likely then
    Chance
    T-storms

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms, mainly after 2pm.  Mostly sunny, with a high near 84. South wind 5 to 11 mph becoming east in the afternoon.

    High: 84 °F

    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms, mainly before 8pm.  Partly cloudy, with a low around 76. Breezy, with a southeast wind 9 to 15 mph becoming south after midnight.

    Low: 76 °F

    Chance
    T-storms and
    Breezy then
    Partly Cloudy

  • Thursday

    Thursday: Showers likely and possibly a thunderstorm after 2pm.  Mostly sunny, with a high near 84. Breezy, with a southwest wind 7 to 15 mph.  Chance of precipitation is 60%.

    High: 84 °F

    Sunny then
    Showers
    Likely and
    Breezy

  • Thursday Night

    Thursday Night: Showers and thunderstorms likely before 11pm, then a slight chance of showers between 11pm and 2am.  Partly cloudy, with a low around 77. Breezy.  Chance of precipitation is 60%.

    Low: 77 °F

    Showers
    Likely and
    Breezy then
    Slight Chance
    Showers

  • Friday

    Friday: Showers and thunderstorms likely after 2pm.  Mostly sunny, with a high near 85. Chance of precipitation is 60%.

    High: 85 °F

    Sunny then
    T-storms
    Likely

  • Friday Night

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

    Low: 77 °F

    T-storms
    Likely

  • Saturday

    Saturday: A chance of showers, then showers and thunderstorms likely after 8am.  Partly sunny, with a high near 83. Chance of precipitation is 60%.

    High: 83 °F

    Chance
    Showers then
    T-storms
    Likely

Detailed Forecast

This Afternoon
Showers and thunderstorms likely, mainly after 5pm. Partly sunny, with a high near 91. Heat index values as high as 103. Southeast wind around 11 mph, with gusts as high as 16 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms likely, mainly before 1am. Mostly cloudy, with a low around 77. South wind 7 to 13 mph, with gusts as high as 17 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
A 30 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 84. South wind 5 to 11 mph becoming east in the afternoon.
Wednesday Night
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 76. Breezy, with a southeast wind 9 to 15 mph becoming south after midnight.
Thursday
Showers likely and possibly a thunderstorm after 2pm. Mostly sunny, with a high near 84. Breezy, with a southwest wind 7 to 15 mph. Chance of precipitation is 60%.
Thursday Night
Showers and thunderstorms likely before 11pm, then a slight chance of showers between 11pm and 2am. Partly cloudy, with a low around 77. Breezy. Chance of precipitation is 60%.
Friday
Showers and thunderstorms likely after 2pm. Mostly sunny, with a high near 85. Chance of precipitation is 60%.
Friday Night
Showers and thunderstorms likely before 2am, then a chance of showers. Mostly cloudy, with a low around 77. Chance of precipitation is 60%.
Saturday
A chance of showers, then showers and thunderstorms likely after 8am. Partly sunny, with a high near 83. Chance of precipitation is 60%.
Saturday Night
Showers and thunderstorms likely before 2am, then a chance of showers. Mostly cloudy, with a low around 77. Chance of precipitation is 60%.
Sunday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 83.
Sunday Night
A 20 percent chance of showers. Partly cloudy, with a low around 78.
Monday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 83.
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ABOUT THIS FORECAST

 
Point Forecast:
Neptune Beach FL
 30.32°N 81.38°W
2:20 pm EDT Aug 25, 2026
3pm EDT Aug 25, 2026-6pm EDT Aug 31, 2026
 
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Additional Resources

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