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.

Thunderstorm Light Rain

78°F

26°C

Humidity 87%
Wind Speed Vrbl 5 mph
Barometer 29.98 in (1015.2 mb)
Dewpoint 74°F (23°C)
Visibility 8.00 mi
Heat Index80°F (27°C)
Last update 16 Aug 3:56 pm EDT
Extended Forecast for

4 Miles S Nassau Village-Ratliff FL

Heat Advisory until August 16, 07:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory until August 16, 07:00pm

    NOW until 7:00pm Sat

    Heat Advisory

  • This Afternoon

    High: 94 °F

    T-storms
    Likely

  • Tonight

    Tonight: Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 75. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 75 °F

    T-storms
    Likely

  • Sunday

    Sunday: Showers and thunderstorms, mainly before 5pm. High near 89. Heat index values as high as 100. Calm wind becoming northeast 5 to 7 mph in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 89 °F

    Chance
    T-storms then
    T-storms

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 75. Northeast wind around 5 mph becoming calm in the evening.

    Low: 75 °F

    Chance
    T-storms

  • Monday

    Monday: A chance of showers between 8am and 11am, then a chance of showers and thunderstorms after 11am. Sunny, with a high near 92. Light northeast wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 17 mph. Chance of precipitation is 40%.

    High: 92 °F

    Chance
    T-storms

  • Monday Night

    Monday Night: Mostly clear, with a low around 74.

    Low: 74 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 92.

    High: 92 °F

    Sunny then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 75.

    Low: 75 °F

    Chance
    T-storms then
    Mostly Clear

Detailed Forecast

This Afternoon
Showers and thunderstorms likely. Partly sunny, with a high near 94. Heat index values as high as 103. East wind around 7 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 75. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Sunday
Showers and thunderstorms, mainly before 5pm. High near 89. Heat index values as high as 100. Calm wind becoming northeast 5 to 7 mph in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Sunday Night
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 75. Northeast wind around 5 mph becoming calm in the evening.
Monday
A chance of showers between 8am and 11am, then a chance of showers and thunderstorms after 11am. Sunny, with a high near 92. Light northeast wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 17 mph. Chance of precipitation is 40%.
Monday Night
Mostly clear, with a low around 74.
Tuesday
A 30 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 92.
Tuesday Night
A 30 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 75.
Wednesday
A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Sunny, with a high near 94. Chance of precipitation is 40%.
Wednesday Night
A 30 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 75.
Thursday
A 40 percent chance of showers and thunderstorms. Sunny and hot, with a high near 96.
Thursday Night
A 30 percent chance of showers and thunderstorms. Mostly clear, with a low around 75.
Friday
Showers and thunderstorms likely. Sunny, with a high near 94. Chance of precipitation is 70%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles S Nassau Village-Ratliff FL
 30.45°N 81.82°W
Last Update:
1:26 pm EDT Aug 16, 2025
Forecast Valid:
4pm EDT Aug 16, 2025-6pm EDT Aug 22, 2025
 
Forecast Discussion
 
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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