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Hazardous Weather Conditions

Current conditions at

Northeast Florida Regional Airport (KSGJ)

Lat: 29.96°NLon: 81.34°WElev: 3ft.

Fair

81°F

27°C

Humidity 88%
Wind Speed Calm
Barometer 29.96 in (1014.5 mb)
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index88°F (31°C)
Last update 18 Aug 8:56 am EDT
Extended Forecast for

Saint Augustine FL

  • Today

    Today: Showers and thunderstorms likely, mainly between 2pm and 5pm. Partly sunny, with a high near 89. Heat index values as high as 100. Northeast wind 5 to 11 mph, with gusts as high as 17 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 89 °F

    Chance
    Showers then
    T-storms
    Likely

  • Tonight

    Tonight: A chance of showers and thunderstorms before 7pm, then a slight chance of showers between 7pm and 10pm. Partly cloudy, with a low around 78. East wind 6 to 9 mph. Chance of precipitation is 30%.

    Low: 78 °F

    Chance
    Showers then
    Partly Cloudy

  • Tuesday

    Tuesday: A chance of showers, with thunderstorms also possible after 11am. Sunny, with a high near 88. Breezy, with a northeast wind 8 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 40%.

    High: 88 °F

    Chance
    Showers then
    Chance
    T-storms and
    Breezy

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms, mainly after 2am. Mostly clear, with a low around 78. North wind 8 to 11 mph, with gusts as high as 17 mph.

    Low: 78 °F

    Chance
    T-storms then
    Chance
    Showers

  • Wednesday

    Wednesday: Showers likely, with thunderstorms also possible after 11am. Sunny, with a high near 89. Breezy, with a north wind 11 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 70%.

    High: 89 °F

    Showers
    Likely and
    Breezy

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 76.

    Low: 76 °F

    Mostly Clear

  • Thursday

    Thursday: A 50 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 92.

    High: 92 °F

    Sunny then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A 30 percent chance of showers and thunderstorms, mainly before 8pm. Mostly clear, with a low around 76.

    Low: 76 °F

    Chance
    T-storms

  • Friday

    Friday: A chance of showers and thunderstorms between 8am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 91. Chance of precipitation is 80%.

    High: 91 °F

    Chance
    T-storms then
    T-storms

Detailed Forecast

Today
Showers and thunderstorms likely, mainly between 2pm and 5pm. Partly sunny, with a high near 89. Heat index values as high as 100. Northeast wind 5 to 11 mph, with gusts as high as 17 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
A chance of showers and thunderstorms before 7pm, then a slight chance of showers between 7pm and 10pm. Partly cloudy, with a low around 78. East wind 6 to 9 mph. Chance of precipitation is 30%.
Tuesday
A chance of showers, with thunderstorms also possible after 11am. Sunny, with a high near 88. Breezy, with a northeast wind 8 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 40%.
Tuesday Night
A 30 percent chance of showers and thunderstorms, mainly after 2am. Mostly clear, with a low around 78. North wind 8 to 11 mph, with gusts as high as 17 mph.
Wednesday
Showers likely, with thunderstorms also possible after 11am. Sunny, with a high near 89. Breezy, with a north wind 11 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 70%.
Wednesday Night
Mostly clear, with a low around 76.
Thursday
A 50 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 92.
Thursday Night
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Mostly clear, with a low around 76.
Friday
A chance of showers and thunderstorms between 8am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 91. Chance of precipitation is 80%.
Friday Night
Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a chance of showers after 2am. Low around 75. Chance of precipitation is 80%.
Saturday
Showers and thunderstorms. High near 89. Chance of precipitation is 80%.
Saturday Night
Showers and thunderstorms. Low around 76. Chance of precipitation is 80%.
Sunday
Showers and thunderstorms. High near 91. Chance of precipitation is 80%.
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ABOUT THIS FORECAST

 
Point Forecast:
Saint Augustine FL
 29.88°N 81.33°W
Last Update:
5:36 am EDT Aug 18, 2025
Forecast Valid:
9am EDT Aug 18, 2025-6pm EDT Aug 24, 2025
 
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