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

Hazardous Weather Conditions

Current conditions at

Northeast Florida Regional Airport (KSGJ)

Lat: 29.96°NLon: 81.34°WElev: 3ft.

Partly Cloudy

85°F

29°C

Humidity 82%
Wind Speed N 13 mph
Barometer 30.05 in (1017.7 mb)
Dewpoint 79°F (26°C)
Visibility 7.00 mi
Heat Index98°F (37°C)
Last update 2 Sep 9:56 am EDT
Extended Forecast for

Saint Augustine South FL

  • Today

    Today: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a temperature falling to around 83 by 5pm. Heat index values as high as 100. East wind 10 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 86 °F⇓

    Showers
    Likely

  • Tonight

    Tonight: A chance of showers and thunderstorms before 2am, then a slight chance of showers. Mostly cloudy, with a low around 76. East wind 5 to 11 mph, with gusts as high as 17 mph. Chance of precipitation is 40%.

    Low: 76 °F

    Chance
    Showers

  • Thursday

    Thursday: A chance of showers before 8am, then a chance of showers and thunderstorms between 8am and 5pm. Partly sunny, with a high near 87. Heat index values as high as 100. East wind 6 to 13 mph, with gusts as high as 16 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 87 °F

    Chance
    T-storms

  • Thursday Night

    Thursday Night: A 10 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 75. Southeast wind 5 to 9 mph becoming light after midnight.

    Low: 75 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Friday

    Friday: Showers and thunderstorms likely, mainly between 2pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Partly sunny, with a high near 89. Calm wind becoming east 5 to 9 mph in the afternoon. Chance of precipitation is 60%.

    High: 89 °F

    T-storms
    Likely

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm before 8pm. Partly cloudy, with a low around 74. Chance of precipitation is 60%.

    Low: 74 °F

    Showers
    Likely then
    Partly Cloudy

  • Saturday

    Saturday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 90. Chance of precipitation is 60%.

    High: 90 °F

    Chance
    Showers then
    Showers
    Likely

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm before 8pm, then a slight chance of showers and thunderstorms between 8pm and 2am. Partly cloudy, with a low around 74. Chance of precipitation is 60%.

    Low: 74 °F

    Showers
    Likely then
    Slight Chance
    T-storms

  • Sunday

    Sunday: A chance of showers and thunderstorms between 8am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 91. Chance of precipitation is 60%.

    High: 91 °F

    Chance
    T-storms then
    Showers
    Likely

Detailed Forecast

Today
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a temperature falling to around 83 by 5pm. Heat index values as high as 100. East wind 10 to 14 mph, with gusts as high as 21 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 2am, then a slight chance of showers. Mostly cloudy, with a low around 76. East wind 5 to 11 mph, with gusts as high as 17 mph. Chance of precipitation is 40%.
Thursday
A chance of showers before 8am, then a chance of showers and thunderstorms between 8am and 5pm. Partly sunny, with a high near 87. Heat index values as high as 100. East wind 6 to 13 mph, with gusts as high as 16 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A 10 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 75. Southeast wind 5 to 9 mph becoming light after midnight.
Friday
Showers and thunderstorms likely, mainly between 2pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Partly sunny, with a high near 89. Calm wind becoming east 5 to 9 mph in the afternoon. Chance of precipitation is 60%.
Friday Night
Showers likely and possibly a thunderstorm before 8pm. Partly cloudy, with a low around 74. Chance of precipitation is 60%.
Saturday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 90. Chance of precipitation is 60%.
Saturday Night
Showers likely and possibly a thunderstorm before 8pm, then a slight chance of showers and thunderstorms between 8pm and 2am. Partly cloudy, with a low around 74. Chance of precipitation is 60%.
Sunday
A chance of showers and thunderstorms between 8am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 91. Chance of precipitation is 60%.
Sunday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms, mainly between 8pm and 2am. Mostly cloudy, with a low around 73. Chance of precipitation is 60%.
Labor Day
Showers and thunderstorms likely. Partly sunny, with a high near 88. Chance of precipitation is 70%.
Monday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 74. Chance of precipitation is 60%.
Tuesday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 87.
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ABOUT THIS FORECAST

 
Point Forecast:
Saint Augustine South FL
 29.83°N 81.31°W
Last Update:
9:31 am EDT Sep 2, 2026
Forecast Valid:
10am EDT Sep 2, 2026-6pm EDT Sep 8, 2026
 
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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