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.

Mostly Cloudy

80°F

27°C

Humidity 87%
Wind Speed SW 3 mph
Barometer 30.08 in (1018.5 mb)
Dewpoint 76°F (24°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 23 Jul 7:52 am EDT
Extended Forecast for

Neptune Beach FL

  • Today

    Today: Sunny, with a high near 87. Southeast wind 5 to 14 mph.

    High: 87 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 79. Southeast wind 6 to 13 mph, with gusts as high as 16 mph.

    Low: 79 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 86. Light and variable wind becoming east 8 to 13 mph in the afternoon.

    High: 86 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 79. Southeast wind 7 to 13 mph.

    Low: 79 °F

    Partly Cloudy

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 88. Light and variable wind becoming southeast 6 to 11 mph in the afternoon.

    High: 88 °F

    Mostly Sunny
    then Chance
    T-storms

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 80.

    Low: 80 °F

    Chance
    T-storms then
    Chance
    Showers

  • Sunday

    Sunday: Showers and thunderstorms likely after 2pm. Mostly sunny, with a high near 89. Chance of precipitation is 60%.

    High: 89 °F

    Mostly Sunny
    then T-storms
    Likely

  • Sunday Night

    Sunday Night: Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 80. Chance of precipitation is 60%.

    Low: 80 °F

    T-storms
    Likely then
    Chance
    T-storms

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 88.

    High: 88 °F

    Mostly Sunny
    then Chance
    T-storms

Detailed Forecast

Today
Sunny, with a high near 87. Southeast wind 5 to 14 mph.
Tonight
Partly cloudy, with a low around 79. Southeast wind 6 to 13 mph, with gusts as high as 16 mph.
Friday
Mostly sunny, with a high near 86. Light and variable wind becoming east 8 to 13 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 79. Southeast wind 7 to 13 mph.
Saturday
A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 88. Light and variable wind becoming southeast 6 to 11 mph in the afternoon.
Saturday Night
A 30 percent chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 80.
Sunday
Showers and thunderstorms likely after 2pm. Mostly sunny, with a high near 89. Chance of precipitation is 60%.
Sunday Night
Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 80. Chance of precipitation is 60%.
Monday
A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 88.
Monday Night
A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 80.
Tuesday
Sunny, with a high near 88.
Tuesday Night
Partly cloudy, with a low around 80. Breezy.
Wednesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91. Breezy.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Neptune Beach FL
 30.32°N 81.38°W
Last Update:
2:21 am EDT Jul 23, 2026
Forecast Valid:
8am EDT Jul 23, 2026-6pm EDT Jul 29, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation