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

73°F

23°C

Humidity 94%
Wind Speed SW 7 mph
Barometer 30.00 in (1015.9 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Last update 20 Jun 12:52 am EDT
Extended Forecast for

Jacksonville Beach FL

  • Overnight

    Overnight: Mostly cloudy, with a low around 75. Southwest wind 11 to 13 mph, with gusts as high as 17 mph.

    Low: 75 °F

    Mostly Cloudy

  • Saturday

    Saturday: Showers and thunderstorms likely, mainly between 3pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Partly sunny, with a high near 82. West wind 7 to 10 mph becoming south in the afternoon. Winds could gust as high as 15 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    High: 82 °F

    Chance
    T-storms then
    T-storms
    Likely

  • Saturday Night

    Saturday Night: Showers and thunderstorms likely before 11pm, then a slight chance of showers between 11pm and midnight. Mostly cloudy, with a low around 76. Northwest wind 5 to 8 mph becoming southwest after midnight. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 76 °F

    Showers
    Likely then
    Partly Cloudy

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms, mainly between 2pm and 4pm. Increasing clouds, with a high near 87. West wind around 8 mph becoming southeast in the afternoon.

    High: 87 °F

    Mostly Sunny
    then Chance
    T-storms

  • Sunday Night

    Sunday Night: A slight chance of showers and thunderstorms between 7pm and 8pm. Partly cloudy, with a low around 77. Southwest wind around 9 mph. Chance of precipitation is 10%.

    Low: 77 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 90.

    High: 90 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 78.

    Low: 78 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 91.

    High: 91 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms, mainly between 8pm and 2am. Mostly cloudy, with a low around 77.

    Low: 77 °F

    Chance
    T-storms

Detailed Forecast

Overnight
Mostly cloudy, with a low around 75. Southwest wind 11 to 13 mph, with gusts as high as 17 mph.
Saturday
Showers and thunderstorms likely, mainly between 3pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Partly sunny, with a high near 82. West wind 7 to 10 mph becoming south in the afternoon. Winds could gust as high as 15 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Saturday Night
Showers and thunderstorms likely before 11pm, then a slight chance of showers between 11pm and midnight. Mostly cloudy, with a low around 76. Northwest wind 5 to 8 mph becoming southwest after midnight. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
A 30 percent chance of showers and thunderstorms, mainly between 2pm and 4pm. Increasing clouds, with a high near 87. West wind around 8 mph becoming southeast in the afternoon.
Sunday Night
A slight chance of showers and thunderstorms between 7pm and 8pm. Partly cloudy, with a low around 77. Southwest wind around 9 mph. Chance of precipitation is 10%.
Monday
Mostly sunny, with a high near 90.
Monday Night
Partly cloudy, with a low around 78.
Tuesday
A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 91.
Tuesday Night
A 30 percent chance of showers and thunderstorms, mainly between 8pm and 2am. Mostly cloudy, with a low around 77.
Wednesday
A 50 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 89.
Wednesday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 77.
Thursday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88.
Thursday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 77.
Friday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89.
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ABOUT THIS FORECAST

 
Point Forecast:
Jacksonville Beach FL
 30.3°N 81.39°W
Last Update:
1:01 am EDT Jun 20, 2026
Forecast Valid:
1am EDT Jun 20, 2026-6pm EDT Jun 26, 2026
 
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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