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

Hazardous Weather Conditions

Current conditions at

Jacksonville International Airport (KJAX)

Lat: 30.5°NLon: 81.69°WElev: 23ft.

A Few Clouds

86°F

30°C

Humidity 75%
Wind Speed SE 6 mph
Barometer 30.10 in (1019.3 mb)
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index97°F (36°C)
Last update 15 Aug 8:56 pm EDT
Extended Forecast for

4 Miles SSW Jacksonville International Airport FL

Heat Advisory August 16, 11:00am until August 16, 08:00pm
Click here for hazard details and duration
Heat Advisory

  • Tonight

    Tonight: Partly cloudy, with a low around 76. South wind around 6 mph becoming calm in the evening.

    Low: 76 °F

    Partly Cloudy

  • Sunday

    Sunday: A 10 percent chance of showers and thunderstorms after 5pm. Mostly sunny and hot, with a high near 95. Heat index values as high as 109. West wind 3 to 6 mph.

    High: 95 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms, mainly before 9pm. Partly cloudy, with a low around 77. Calm wind becoming west around 5 mph after midnight.

    Low: 77 °F

    Chance
    T-storms then
    Partly Cloudy

  • Monday

    Monday: A 50 percent chance of showers and thunderstorms after 2pm. Increasing clouds and hot, with a high near 95. Heat index values as high as 109. West wind around 7 mph.

    High: 95 °F

    Sunny then
    Chance
    T-storms

  • Monday Night

    Monday Night: A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Partly cloudy, with a low around 78. West wind around 7 mph. Chance of precipitation is 30%.

    Low: 78 °F

    Chance
    T-storms then
    Slight Chance
    Showers

  • Tuesday

    Tuesday: A 50 percent chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 96.

    High: 96 °F

    Sunny then
    Chance
    T-storms

  • Tuesday Night

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

    Low: 77 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: A 50 percent chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 95.

    High: 95 °F

    Mostly Sunny
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 77.

    Low: 77 °F

    Chance
    T-storms

Detailed Forecast

Tonight
Partly cloudy, with a low around 76. South wind around 6 mph becoming calm in the evening.
Sunday
A 10 percent chance of showers and thunderstorms after 5pm. Mostly sunny and hot, with a high near 95. Heat index values as high as 109. West wind 3 to 6 mph.
Sunday Night
A 30 percent chance of showers and thunderstorms, mainly before 9pm. Partly cloudy, with a low around 77. Calm wind becoming west around 5 mph after midnight.
Monday
A 50 percent chance of showers and thunderstorms after 2pm. Increasing clouds and hot, with a high near 95. Heat index values as high as 109. West wind around 7 mph.
Monday Night
A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Partly cloudy, with a low around 78. West wind around 7 mph. Chance of precipitation is 30%.
Tuesday
A 50 percent chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 96.
Tuesday Night
A 30 percent chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 77.
Wednesday
A 50 percent chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 95.
Wednesday Night
A 30 percent chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 77.
Thursday
A 40 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 94.
Thursday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 77.
Friday
A 50 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 95.
Friday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 76.
Saturday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 94.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSW Jacksonville International Airport FL
 30.44°N 81.72°W
Last Update:
7:41 pm EDT Aug 15, 2026
Forecast Valid:
9pm EDT Aug 15, 2026-6pm EDT Aug 22, 2026
 
Forecast Discussion
 
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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