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Hazardous Weather Conditions

Current conditions at

Northeast Florida Regional Airport (KSGJ)

Lat: 29.96°NLon: 81.34°WElev: 3ft.

Fair

83°F

28°C

Humidity 82%
Wind Speed S 6 mph
Barometer 30.13 in (1020.4 mb)
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index92°F (33°C)
Last update 16 Aug 12:56 am EDT
Extended Forecast for

10 Miles W St. Augustine Airport FL

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

  • Overnight

    Overnight: Mostly clear, with a low around 77. Light southwest wind.

    Low: 77 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 96. Heat index values as high as 111. West wind 5 to 7 mph.

    High: 96 °F

    Hot

  • Sunday Night

    Sunday Night: A 20 percent chance of showers and thunderstorms before 10pm. Mostly cloudy, then gradually becoming clear, with a low around 78. Southeast wind around 5 mph becoming light and variable.

    Low: 78 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Monday

    Monday: Showers and thunderstorms likely after 2pm. Increasing clouds and hot, with a high near 96. Heat index values as high as 113. West wind 7 to 9 mph. Chance of precipitation is 60%.

    High: 96 °F

    Sunny then
    T-storms
    Likely

  • Monday Night

    Monday Night: Showers and thunderstorms likely before 11pm, then a slight chance of showers between 11pm and 2am. Partly cloudy, with a low around 78. West wind around 8 mph. Chance of precipitation is 60%.

    Low: 78 °F

    T-storms
    Likely then
    Slight Chance
    Showers

  • Tuesday

    Tuesday: Showers and thunderstorms likely after 2pm. Mostly sunny and hot, with a high near 97. Chance of precipitation is 60%.

    High: 97 °F

    Sunny then
    T-storms
    Likely

  • Tuesday Night

    Tuesday Night: Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 78. Chance of precipitation is 60%.

    Low: 78 °F

    T-storms
    Likely then
    Chance
    T-storms

  • Wednesday

    Wednesday: Showers and thunderstorms likely after 2pm. Mostly sunny and hot, with a high near 96. Chance of precipitation is 60%.

    High: 96 °F

    Mostly Sunny
    then T-storms
    Likely

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 77. Chance of precipitation is 60%.

    Low: 77 °F

    T-storms
    Likely then
    Slight Chance
    T-storms

Detailed Forecast

Overnight
Mostly clear, with a low around 77. Light southwest wind.
Sunday
Sunny and hot, with a high near 96. Heat index values as high as 111. West wind 5 to 7 mph.
Sunday Night
A 20 percent chance of showers and thunderstorms before 10pm. Mostly cloudy, then gradually becoming clear, with a low around 78. Southeast wind around 5 mph becoming light and variable.
Monday
Showers and thunderstorms likely after 2pm. Increasing clouds and hot, with a high near 96. Heat index values as high as 113. West wind 7 to 9 mph. Chance of precipitation is 60%.
Monday Night
Showers and thunderstorms likely before 11pm, then a slight chance of showers between 11pm and 2am. Partly cloudy, with a low around 78. West wind around 8 mph. Chance of precipitation is 60%.
Tuesday
Showers and thunderstorms likely after 2pm. Mostly sunny and hot, with a high near 97. Chance of precipitation is 60%.
Tuesday Night
Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 78. Chance of precipitation is 60%.
Wednesday
Showers and thunderstorms likely after 2pm. Mostly sunny and hot, with a high near 96. Chance of precipitation is 60%.
Wednesday Night
Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 77. Chance of precipitation is 60%.
Thursday
A 50 percent chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 96.
Thursday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 77.
Friday
A 40 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 96.
Friday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 77.
Saturday
A 50 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 95.
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ABOUT THIS FORECAST

 
Point Forecast:
10 Miles W St. Augustine Airport FL
 29.96°N 81.48°W
Last Update:
12:36 am EDT Aug 16, 2026
Forecast Valid:
1am EDT Aug 16, 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