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

Flash Flood Threats in the Northeast and Southeast; Excessive Heat in the Southwest

Heavy rain will contribute to flash and small stream flooding threats in southern New England Thursday and across portions of coastal North Carolina, Virginia and the Florida Gulf Coast through Friday. Excessive heat will continue to impact the southern California mountains and deserts into Arizona and Nevada Thursday. Read More >

Current conditions at

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

Lat: 30.4°NLon: 81.42°WElev: 13ft.

Overcast

79°F

26°C

Humidity 90%
Wind Speed SW 5 mph
Barometer 30.02 in (1016.5 mb)
Dewpoint 76°F (24°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 5 Aug 7:52 am EDT
Extended Forecast for

Jacksonville Beach FL

  • Today

    Today: Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 84. South wind 8 to 11 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    Heavy Rain

    High: 84 °F

  • Tonight

    Tonight: Showers and thunderstorms likely before 11pm, then a slight chance of showers between 11pm and 1am. Mostly cloudy, with a low around 76. South wind 9 to 11 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Showers
    Likely then
    Slight Chance
    Showers

    Low: 76 °F

  • Friday

    Friday: Showers and thunderstorms likely, mainly before 4pm, then showers likely and possibly a thunderstorm after 4pm. Mostly sunny, with a high near 86. South wind 8 to 11 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Chance
    Showers then
    T-storms
    Likely

    High: 86 °F

  • Friday
    Night

    Friday Night: A 30 percent chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 77. Southeast wind 7 to 9 mph.

    Chance
    T-storms then
    Chance
    Showers

    Low: 77 °F

  • Saturday

    Saturday: A 50 percent chance of showers and thunderstorms after 8am. Partly sunny, with a high near 86. South wind 6 to 8 mph.

    Chance
    Showers then
    Chance
    T-storms

    High: 86 °F

  • Saturday
    Night

    Saturday Night: A 30 percent chance of showers and thunderstorms, mainly before 8pm. Mostly cloudy, with a low around 78.

    Chance
    T-storms

    Low: 78 °F

  • Sunday

    Sunday: A 40 percent chance of showers and thunderstorms after 8am. Sunny, with a high near 86.

    Chance
    T-storms

    High: 86 °F

  • Sunday
    Night

    Sunday Night: A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 79.

    Slight Chance
    T-storms

    Low: 79 °F

  • Monday

    Monday: A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86.

    Chance
    T-storms

    High: 86 °F

Detailed Forecast

Today
Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 84. South wind 8 to 11 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
Showers and thunderstorms likely before 11pm, then a slight chance of showers between 11pm and 1am. Mostly cloudy, with a low around 76. South wind 9 to 11 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
Showers and thunderstorms likely, mainly before 4pm, then showers likely and possibly a thunderstorm after 4pm. Mostly sunny, with a high near 86. South wind 8 to 11 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
A 30 percent chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 77. Southeast wind 7 to 9 mph.
Saturday
A 50 percent chance of showers and thunderstorms after 8am. Partly sunny, with a high near 86. South wind 6 to 8 mph.
Saturday Night
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Mostly cloudy, with a low around 78.
Sunday
A 40 percent chance of showers and thunderstorms after 8am. Sunny, with a high near 86.
Sunday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 79.
Monday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86.
Monday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 78.
Tuesday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86.
Tuesday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 79.
Wednesday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
Jacksonville Beach FL
 30.3°N 81.39°W
Last Update:
6:40 am EDT Aug 5, 2021
Forecast Valid:
8am EDT Aug 5, 2021-6pm EDT Aug 11, 2021
 
Forecast Discussion
 
Get as KML Get as XML

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