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

Extreme Heat Risk this Week

Extreme heat and little overnight relief will lead to an extreme risk for heat-related impacts through the rest of the week. Extreme Heat Warning in effect on Tuesday. Read More >

Hazardous Weather Conditions

Current conditions at

Jacksonville International Airport (KJAX)

Lat: 30.5°NLon: 81.69°WElev: 23ft.

Partly Cloudy

79°F

26°C

Humidity 82%
Wind Speed S 5 mph
Barometer 29.98 in (1015.2 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 19 Aug 11:56 pm EDT
Extended Forecast for

7 Miles S Yulee FL

Heat Advisory August 20, 11:00am until August 20, 07:00pm
Click here for hazard details and duration
Heat Advisory

  • Overnight

    Overnight: Mostly clear, with a low around 76. Light west wind.

    Low: 76 °F

    Mostly Clear

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 96. Heat index values as high as 109. Light and variable wind becoming southeast around 6 mph in the afternoon.

    High: 96 °F

    Sunny then
    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: A 10 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 77. Southwest wind 3 to 8 mph.

    Low: 77 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Friday

    Friday: A 50 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 93. Heat index values as high as 105. South wind 3 to 8 mph.

    High: 93 °F

    Mostly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: A 40 percent chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 75. Southwest wind 3 to 7 mph.

    Low: 75 °F

    Chance
    T-storms then
    Chance
    Showers

  • Saturday

    Saturday: Showers and thunderstorms likely after 2pm. Mostly sunny, with a high near 92. Chance of precipitation is 70%.

    High: 92 °F

    Mostly Sunny
    then T-storms
    Likely

  • Saturday Night

    Saturday Night: Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 75. Chance of precipitation is 60%.

    Low: 75 °F

    T-storms
    Likely then
    Chance
    T-storms

  • Sunday

    Sunday: A 50 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 91.

    High: 91 °F

    Mostly Sunny
    then Chance
    T-storms

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 75.

    Low: 75 °F

    Chance
    T-storms

Detailed Forecast

Overnight
Mostly clear, with a low around 76. Light west wind.
Thursday
A 20 percent chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 96. Heat index values as high as 109. Light and variable wind becoming southeast around 6 mph in the afternoon.
Thursday Night
A 10 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 77. Southwest wind 3 to 8 mph.
Friday
A 50 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 93. Heat index values as high as 105. South wind 3 to 8 mph.
Friday Night
A 40 percent chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 75. Southwest wind 3 to 7 mph.
Saturday
Showers and thunderstorms likely after 2pm. Mostly sunny, with a high near 92. Chance of precipitation is 70%.
Saturday Night
Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 75. Chance of precipitation is 60%.
Sunday
A 50 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 91.
Sunday Night
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 75.
Monday
A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 92.
Monday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 75.
Tuesday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92.
Tuesday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 75.
Wednesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
7 Miles S Yulee FL
 30.52°N 81.57°W
Last Update:
8:01 pm EDT Aug 19, 2026
Forecast Valid:
12am EDT Aug 20, 2026-6pm EDT Aug 26, 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