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

26°C

78°F

Humidity 79%
Wind Speed SW 11 km/h
Barometer 1018.3 mb (30.07 in)
Dewpoint 22°C (71°F)
Visibility 16 km
Heat Index27°C (80°F)
Last update 12 Jul 8:56 pm EDT
Extended Forecast for

Saint Augustine FL

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly before 11pm. Partly cloudy, with a low around 25. South wind 11 to 14 km/h becoming southwest after midnight.

    Low: 25 °C

    Chance
    Showers then
    Slight Chance
    T-storms

  • Sunday

    Sunday: A chance of showers and thunderstorms before 2pm, then showers likely and possibly a thunderstorm between 2pm and 3pm, then showers and thunderstorms likely after 3pm. Partly sunny, with a high near 33. Heat index values as high as 41. West wind 10 to 14 km/h becoming north in the afternoon. Chance of precipitation is 70%. New rainfall amounts between 7.5 mm and 1 cm possible.

    High: 33 °C

    Slight Chance
    T-storms then
    T-storms
    Likely

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms, mainly before 8pm. Mostly cloudy, with a low around 24. West wind 10 to 16 km/h, with gusts as high as 26 km/h.

    Low: 24 °C

    Chance
    T-storms

  • Monday

    Monday: A slight chance of showers, then showers and thunderstorms likely after 11am. Mostly sunny, with a high near 33. Heat index values as high as 39. West wind 5 to 14 km/h becoming northeast in the afternoon. Chance of precipitation is 70%.

    High: 33 °C

    Slight Chance
    T-storms then
    T-storms
    Likely

  • Monday Night

    Monday Night: Showers and thunderstorms likely, mainly before 8pm. Partly cloudy, with a low around 24. Southeast wind 3 to 8 km/h. Chance of precipitation is 60%.

    Low: 24 °C

    T-storms
    Likely then
    Slight Chance
    T-storms

  • Tuesday

    Tuesday: Showers and thunderstorms likely, mainly between 2pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Sunny, with a high near 32. Chance of precipitation is 70%.

    High: 32 °C

    Chance
    T-storms then
    T-storms
    Likely

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm before 8pm, then a slight chance of showers and thunderstorms between 8pm and 2am, then a slight chance of showers after 2am. Partly cloudy, with a low around 24. Chance of precipitation is 60%.

    Low: 24 °C

    Showers
    Likely then
    Slight Chance
    T-storms

  • Wednesday

    Wednesday: A chance of showers, then showers and thunderstorms after 8am. High near 32. Breezy. Chance of precipitation is 80%.

    High: 32 °C

    Chance
    T-storms then
    T-storms and
    Breezy

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms, mainly before 8pm. Low around 24. Chance of precipitation is 80%.

    Low: 24 °C

    T-storms then
    Slight Chance
    T-storms

Detailed Forecast

Tonight
A 30 percent chance of showers and thunderstorms, mainly before 11pm. Partly cloudy, with a low around 25. South wind 11 to 14 km/h becoming southwest after midnight.
Sunday
A chance of showers and thunderstorms before 2pm, then showers likely and possibly a thunderstorm between 2pm and 3pm, then showers and thunderstorms likely after 3pm. Partly sunny, with a high near 33. Heat index values as high as 41. West wind 10 to 14 km/h becoming north in the afternoon. Chance of precipitation is 70%. New rainfall amounts between 7.5 mm and 1 cm possible.
Sunday Night
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Mostly cloudy, with a low around 24. West wind 10 to 16 km/h, with gusts as high as 26 km/h.
Monday
A slight chance of showers, then showers and thunderstorms likely after 11am. Mostly sunny, with a high near 33. Heat index values as high as 39. West wind 5 to 14 km/h becoming northeast in the afternoon. Chance of precipitation is 70%.
Monday Night
Showers and thunderstorms likely, mainly before 8pm. Partly cloudy, with a low around 24. Southeast wind 3 to 8 km/h. Chance of precipitation is 60%.
Tuesday
Showers and thunderstorms likely, mainly between 2pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Sunny, with a high near 32. Chance of precipitation is 70%.
Tuesday Night
Showers likely and possibly a thunderstorm before 8pm, then a slight chance of showers and thunderstorms between 8pm and 2am, then a slight chance of showers after 2am. Partly cloudy, with a low around 24. Chance of precipitation is 60%.
Wednesday
A chance of showers, then showers and thunderstorms after 8am. High near 32. Breezy. Chance of precipitation is 80%.
Wednesday Night
Showers and thunderstorms, mainly before 8pm. Low around 24. Chance of precipitation is 80%.
Thursday
A chance of showers and thunderstorms between 8am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 33. Chance of precipitation is 80%.
Thursday Night
Showers and thunderstorms. Low around 24. Chance of precipitation is 80%.
Friday
Showers and thunderstorms likely. Mostly sunny, with a high near 33. Chance of precipitation is 70%.
Friday Night
Showers and thunderstorms likely. Partly cloudy, with a low around 24. Chance of precipitation is 60%.
Saturday
Showers and thunderstorms likely. Mostly sunny, with a high near 33. Chance of precipitation is 60%.
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ABOUT THIS FORECAST

 
Point Forecast:
Saint Augustine FL
 29.9°N 81.33°W
Last Update:
7:01 pm EDT Jul 12, 2025
Forecast Valid:
9pm EDT Jul 12, 2025-6pm EDT Jul 19, 2025
 
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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