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

Northeast Florida Regional Airport (KSGJ)

Lat: 29.96°NLon: 81.34°WElev: 3ft.

Fair

75°F

24°C

Humidity 94%
Wind Speed S 6 mph
Barometer 29.90 in (1012.4 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Last update 3 Aug 12:56 am EDT
Extended Forecast for

Saint Augustine FL

  • Overnight

    Overnight: A slight chance of showers before 2am, then a slight chance of showers and thunderstorms after 5am. Partly cloudy, with a steady temperature around 77. South wind around 9 mph, with gusts as high as 18 mph. Chance of precipitation is 20%.

    Low: 77 °F

    Slight Chance
    T-storms

  • Monday

    Monday: Showers and thunderstorms likely, mainly between 3pm and 4pm. Partly sunny, with a high near 89. Heat index values as high as 101. South wind 10 to 14 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 89 °F

    T-storms
    Likely

  • Monday Night

    Monday Night: A chance of showers, with thunderstorms also possible after 5am. Mostly cloudy, with a low around 74. South wind around 8 mph, with gusts as high as 15 mph. Chance of precipitation is 30%.

    Low: 74 °F

    Mostly Cloudy
    then Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2pm. High near 90. Heat index values as high as 102. Southwest wind 7 to 10 mph. Chance of precipitation is 80%.

    High: 90 °F

    Chance
    T-storms then
    T-storms

  • Tuesday Night

    Tuesday Night: Showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Low around 74. South wind 5 to 8 mph. Chance of precipitation is 80%.

    Low: 74 °F

    Showers then
    Slight Chance
    Showers

  • Wednesday

    Wednesday: A 40 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 90.

    High: 90 °F

    Mostly Sunny
    then Chance
    T-storms

  • Wednesday Night

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

    Low: 75 °F

    Chance
    T-storms

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 90.

    High: 90 °F

    Chance
    T-storms

  • Thursday Night

    Thursday Night: A 20 percent chance of showers after 2am. Partly cloudy, with a low around 76.

    Low: 76 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

Detailed Forecast

Overnight
A slight chance of showers before 2am, then a slight chance of showers and thunderstorms after 5am. Partly cloudy, with a steady temperature around 77. South wind around 9 mph, with gusts as high as 18 mph. Chance of precipitation is 20%.
Monday
Showers and thunderstorms likely, mainly between 3pm and 4pm. Partly sunny, with a high near 89. Heat index values as high as 101. South wind 10 to 14 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday Night
A chance of showers, with thunderstorms also possible after 5am. Mostly cloudy, with a low around 74. South wind around 8 mph, with gusts as high as 15 mph. Chance of precipitation is 30%.
Tuesday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2pm. High near 90. Heat index values as high as 102. Southwest wind 7 to 10 mph. Chance of precipitation is 80%.
Tuesday Night
Showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Low around 74. South wind 5 to 8 mph. Chance of precipitation is 80%.
Wednesday
A 40 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 90.
Wednesday Night
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Mostly cloudy, with a low around 75.
Thursday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 90.
Thursday Night
A 20 percent chance of showers after 2am. Partly cloudy, with a low around 76.
Friday
A chance of showers and thunderstorms before 8am, then showers likely and possibly a thunderstorm between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 89. Breezy. Chance of precipitation is 60%.
Friday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 76.
Saturday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 88.
Saturday Night
Partly cloudy, with a low around 75.
Sunday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 90.
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ABOUT THIS FORECAST

 
Point Forecast:
Saint Augustine FL
 29.9°N 81.33°W
Last Update:
8:01 pm EDT Aug 2, 2026
Forecast Valid:
1am EDT Aug 3, 2026-6pm EDT Aug 9, 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