National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Localized Flooding through the Weekend followed by a Moderate Nor'easter and Tidal Flooding Next Week

Tropical moisture will fuel high chances for rain through the weekend and then along a stalling cold front next week. Several inches of rain are expected to fall over the next several days that will increase the risk for localized flooding each day. A Moderately Strong Nor'easter will develop Tuesday and bring gusty winds, dangerous surf/rip currents, and potential for moderate tidal flooding. Read More >

Hazardous Weather Conditions

Current conditions at

Mayport Naval Station - Adm David L. McDonald Field (KNRB)

Lat: 30.4°NLon: 81.42°WElev: 13ft.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

Neptune Beach FL

Flood Watch October 4, 12:00pm until October 5, 08:00am
Click here for hazard details and duration
Flood Watch

  • Today

    Today: A 30 percent chance of showers and thunderstorms, mainly after noon. Partly sunny, with a high near 83. East wind 5 to 9 mph.

    High: 83 °F

    Chance
    T-storms

  • Tonight

    Tonight: Showers and thunderstorms before 5am, then a chance of showers. Low around 76. Southeast wind 5 to 7 mph becoming northwest after midnight. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 76 °F

    Showers

  • Monday

    Monday: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 1pm. High near 78. North wind 6 to 8 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 78 °F

    Showers

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm. Steady temperature around 77. East wind around 9 mph. Chance of precipitation is 90%.

    Low: 77 °F

    Showers

  • Tuesday

    Tuesday: Showers and possibly a thunderstorm. High near 77. Windy, with a northeast wind 11 to 20 mph, with gusts as high as 25 mph. Chance of precipitation is 100%.

    High: 77 °F

    Showers and
    Windy

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm. Low around 74. Windy. Chance of precipitation is 90%.

    Low: 74 °F

    Showers and
    Windy

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm. High near 77. Very windy. Chance of precipitation is 80%.

    High: 77 °F

    Showers and
    Very Windy

  • Wednesday Night

    Wednesday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 74. Very windy.

    Low: 74 °F

    Chance
    T-storms and
    Very Windy

  • Thursday

    Thursday: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 78. Very windy.

    High: 78 °F

    Chance
    Showers and
    Windy then
    Chance
    T-storms and
    Very Windy

Detailed Forecast

Today
A 30 percent chance of showers and thunderstorms, mainly after noon. Partly sunny, with a high near 83. East wind 5 to 9 mph.
Tonight
Showers and thunderstorms before 5am, then a chance of showers. Low around 76. Southeast wind 5 to 7 mph becoming northwest after midnight. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Monday
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 1pm. High near 78. North wind 6 to 8 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Monday Night
Showers and possibly a thunderstorm. Steady temperature around 77. East wind around 9 mph. Chance of precipitation is 90%.
Tuesday
Showers and possibly a thunderstorm. High near 77. Windy, with a northeast wind 11 to 20 mph, with gusts as high as 25 mph. Chance of precipitation is 100%.
Tuesday Night
Showers and possibly a thunderstorm. Low around 74. Windy. Chance of precipitation is 90%.
Wednesday
Showers and possibly a thunderstorm. High near 77. Very windy. Chance of precipitation is 80%.
Wednesday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 74. Very windy.
Thursday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 78. Very windy.
Thursday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 74. Breezy.
Friday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 79. Windy. Chance of precipitation is 60%.
Friday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 75. Windy. Chance of precipitation is 60%.
Saturday
Showers and possibly a thunderstorm. High near 79. Windy. Chance of precipitation is 80%.
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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:
2:35 am EDT Oct 4, 2026
Forecast Valid:
6am EDT Oct 4, 2026-6pm EDT Oct 10, 2026
 
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