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

Severe Storms in the Upper Midwest; Heavy Rain in the Mid-Atlantic; Widespread Heat in the Southwest

Severe storms with damaging winds, large hail, and locally heavy rain will impact portions of the Upper Midwest. A lingering front will bring another round of heavy showers and thunderstorms to the Mid-Atlantic. Excessive heat continues in the South Plains to the Southwest, and fire weather threats remain Critical across the Great Basin, Northern Rockies, and into the Plains. Read More >

Current conditions at

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

Lat: 30.4°NLon: 81.42°WElev: 13ft.

Mostly Cloudy

76°F

24°C

Humidity 94%
Wind Speed SW 8 mph
Barometer 30.01 in (1016.1 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index76°F (24°C)
Last update 13 Aug 4:52 am EDT
Extended Forecast for

Jacksonville Beach FL

  • Today

    Today: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4pm. Mostly sunny, with a high near 88. South wind 9 to 13 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Mostly Sunny
    then Showers
    Likely

    High: 88 °F

  • Tonight

    Tonight: Showers and thunderstorms likely, mainly before 10pm. Mostly cloudy, with a low around 78. Breezy, with a southwest wind 13 to 15 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Showers
    Likely and
    Breezy then
    Slight Chance
    T-storms

    Low: 78 °F

  • Friday

    Friday: A chance of showers and thunderstorms before 2pm, then showers likely and possibly a thunderstorm between 2pm and 3pm, then a chance of showers and thunderstorms after 3pm. Increasing clouds, with a high near 88. Heat index values as high as 100. Southwest wind 8 to 11 mph becoming southeast in the afternoon. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Chance
    Showers then
    Showers
    Likely

    High: 88 °F

  • Friday
    Night

    Friday Night: A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 79. South wind around 11 mph.

    Chance
    T-storms

    Low: 79 °F

  • Saturday

    Saturday: A slight chance of showers and thunderstorms between 8am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 88. Southwest wind 8 to 10 mph. Chance of precipitation is 70%.

    Slight Chance
    T-storms then
    Showers
    Likely

    High: 88 °F

  • Saturday
    Night

    Saturday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Mostly cloudy, with a low around 79. Chance of precipitation is 60%.

    Showers
    Likely then
    Chance
    Showers

    Low: 79 °F

  • Sunday

    Sunday: Showers and thunderstorms likely, mainly after 2pm. Partly sunny, with a high near 88. Chance of precipitation is 60%.

    Chance
    T-storms then
    T-storms
    Likely

    High: 88 °F

  • Sunday
    Night

    Sunday Night: Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 79. Chance of precipitation is 60%.

    T-storms
    Likely then
    Chance
    T-storms

    Low: 79 °F

  • Monday

    Monday: Showers likely and possibly a thunderstorm after 8am. Mostly cloudy, with a high near 88. Chance of precipitation is 60%.

    Showers
    Likely

    High: 88 °F

Detailed Forecast

Today
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4pm. Mostly sunny, with a high near 88. South wind 9 to 13 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms likely, mainly before 10pm. Mostly cloudy, with a low around 78. Breezy, with a southwest wind 13 to 15 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
A chance of showers and thunderstorms before 2pm, then showers likely and possibly a thunderstorm between 2pm and 3pm, then a chance of showers and thunderstorms after 3pm. Increasing clouds, with a high near 88. Heat index values as high as 100. Southwest wind 8 to 11 mph becoming southeast in the afternoon. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 79. South wind around 11 mph.
Saturday
A slight chance of showers and thunderstorms between 8am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 88. Southwest wind 8 to 10 mph. Chance of precipitation is 70%.
Saturday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Mostly cloudy, with a low around 79. Chance of precipitation is 60%.
Sunday
Showers and thunderstorms likely, mainly after 2pm. Partly sunny, with a high near 88. Chance of precipitation is 60%.
Sunday Night
Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 79. Chance of precipitation is 60%.
Monday
Showers likely and possibly a thunderstorm after 8am. Mostly cloudy, with a high near 88. Chance of precipitation is 60%.
Monday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 79.
Tuesday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 86. Chance of precipitation is 70%.
Tuesday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 78.
Wednesday
Showers and possibly a thunderstorm. High near 86. Chance of precipitation is 80%.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
Jacksonville Beach FL
 30.3°N 81.39°W
Last Update:
4:15 am EDT Aug 13, 2020
Forecast Valid:
5am EDT Aug 13, 2020-6pm EDT Aug 19, 2020
 
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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