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

Heat Continues in the Northeast and Northwest U.S.; Areas of Flash Flooding In the Ohio Valley and Southwest

Dangerous heat will continue to impact portions of the interior Northwest and Northeast U.S. Some relief is expected by Wednesday for the Northeast. Monsoon showers and thunderstorms may result in flash flooding and debris flows from the Four Corners region into the Great Basin this week. Thunderstorms, some severe, may produce excessive rainfall from the Ohio Valley to the Central Appalachians. Read More >

Current conditions at

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

Lat: 30.4°NLon: 81.42°WElev: 13ft.

Fair

80°F

27°C

Humidity 90%
Wind Speed SW 6 mph
Barometer 30.18 in (1021.8 mb)
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 10 Aug 12:52 am EDT
Extended Forecast for

Jacksonville Beach FL

  • Overnight

    Overnight: Partly cloudy, with a low around 79. South wind around 8 mph.

    Partly Cloudy

    Low: 79 °F

  • Wednesday

    Wednesday: A 10 percent chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 86. Southeast wind 5 to 13 mph.

    Mostly Sunny
    then Slight
    Chance
    T-storms

    High: 86 °F

  • Wednesday
    Night

    Wednesday Night: Partly cloudy, with a low around 78. Southeast wind 9 to 14 mph.

    Partly Cloudy

    Low: 78 °F

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 88. Heat index values as high as 100. Southwest wind 5 to 7 mph becoming southeast in the afternoon.

    Mostly Sunny
    then Chance
    T-storms

    High: 88 °F

  • Thursday
    Night

    Thursday Night: A 30 percent chance of showers and thunderstorms, mainly before 8pm. Mostly cloudy, with a low around 78. South wind 8 to 10 mph becoming west after midnight.

    Chance
    T-storms

    Low: 78 °F

  • Friday

    Friday: A 50 percent chance of showers and thunderstorms after 8am. Partly sunny, with a high near 86.

    Chance
    Showers

    High: 86 °F

  • Friday
    Night

    Friday Night: Showers and thunderstorms likely. Mostly cloudy, with a low around 76. Chance of precipitation is 60%.

    T-storms
    Likely

    Low: 76 °F

  • Saturday

    Saturday: Showers and thunderstorms likely. Cloudy, with a high near 83. Chance of precipitation is 70%.

    T-storms
    Likely

    High: 83 °F

  • Saturday
    Night

    Saturday Night: A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 75.

    Chance
    T-storms

    Low: 75 °F

Detailed Forecast

Overnight
Partly cloudy, with a low around 79. South wind around 8 mph.
Wednesday
A 10 percent chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 86. Southeast wind 5 to 13 mph.
Wednesday Night
Partly cloudy, with a low around 78. Southeast wind 9 to 14 mph.
Thursday
A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 88. Heat index values as high as 100. Southwest wind 5 to 7 mph becoming southeast in the afternoon.
Thursday Night
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Mostly cloudy, with a low around 78. South wind 8 to 10 mph becoming west after midnight.
Friday
A 50 percent chance of showers and thunderstorms after 8am. Partly sunny, with a high near 86.
Friday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 76. Chance of precipitation is 60%.
Saturday
Showers and thunderstorms likely. Cloudy, with a high near 83. Chance of precipitation is 70%.
Saturday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 75.
Sunday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 82.
Sunday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 76.
Monday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 83.
Monday Night
Partly cloudy, with a low around 76.
Tuesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 85.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
Jacksonville Beach FL
 30.3°N 81.39°W
Last Update:
1:16 am EDT Aug 10, 2022
Forecast Valid:
1am EDT Aug 10, 2022-6pm EDT Aug 16, 2022
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation