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.

A Few Clouds

91°F

33°C

Humidity 68%
Wind Speed SW 7 mph
Barometer 30.07 in (1018.3 mb)
Dewpoint 79°F (26°C)
Visibility 10.00 mi
Heat Index108°F (42°C)
Last update 25 Jun 11:52 am EDT
Extended Forecast for

Neptune Beach FL

  • This Afternoon

    This Afternoon: A 30 percent chance of showers and thunderstorms, mainly after 3pm. Mostly sunny, with a high near 91. Heat index values as high as 102. East wind 8 to 13 mph, with gusts as high as 20 mph.

    High: 91 °F

    Chance
    T-storms

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms, mainly before 10pm. Mostly cloudy, with a low around 76. Southeast wind 8 to 11 mph, with gusts as high as 17 mph.

    Low: 76 °F

    Chance
    T-storms then
    Partly Cloudy

  • Friday

    Friday: A 40 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 93. Heat index values as high as 106. Southwest wind 6 to 11 mph becoming southeast in the afternoon. Winds could gust as high as 15 mph.

    High: 93 °F

    Mostly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms, mainly between 8pm and 2am. Partly cloudy, with a low around 77. South wind 7 to 10 mph.

    Low: 77 °F

    Chance
    T-storms then
    Chance
    Showers

  • Saturday

    Saturday: Sunny, with a high near 93. Southwest wind 5 to 8 mph becoming southeast in the afternoon.

    High: 93 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 78.

    Low: 78 °F

    Mostly Clear

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 94.

    High: 94 °F

    Sunny then
    Slight Chance
    T-storms

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms, mainly between 8pm and 2am. Partly cloudy, with a low around 79.

    Low: 79 °F

    Chance
    T-storms

  • Monday

    Monday: A 50 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 92.

    High: 92 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

Detailed Forecast

This Afternoon
A 30 percent chance of showers and thunderstorms, mainly after 3pm. Mostly sunny, with a high near 91. Heat index values as high as 102. East wind 8 to 13 mph, with gusts as high as 20 mph.
Tonight
A 40 percent chance of showers and thunderstorms, mainly before 10pm. Mostly cloudy, with a low around 76. Southeast wind 8 to 11 mph, with gusts as high as 17 mph.
Friday
A 40 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 93. Heat index values as high as 106. Southwest wind 6 to 11 mph becoming southeast in the afternoon. Winds could gust as high as 15 mph.
Friday Night
A 30 percent chance of showers and thunderstorms, mainly between 8pm and 2am. Partly cloudy, with a low around 77. South wind 7 to 10 mph.
Saturday
Sunny, with a high near 93. Southwest wind 5 to 8 mph becoming southeast in the afternoon.
Saturday Night
Mostly clear, with a low around 78.
Sunday
A 20 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 94.
Sunday Night
A 30 percent chance of showers and thunderstorms, mainly between 8pm and 2am. Partly cloudy, with a low around 79.
Monday
A 50 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 92.
Monday Night
A chance of showers and thunderstorms before 2am, then a slight chance of showers. Mostly cloudy, with a low around 78. Chance of precipitation is 30%.
Tuesday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 88. Breezy.
Tuesday Night
A 20 percent chance of showers. Partly cloudy, with a low around 78.
Wednesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88. Breezy.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Neptune Beach FL
 30.32°N 81.41°W
Last Update:
2:21 am EDT Jun 25, 2026
Forecast Valid:
12pm EDT Jun 25, 2026-6pm EDT Jul 1, 2026
 
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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