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.

Mostly Cloudy

31°C

87°F

Humidity 72%
Wind Speed W 15 km/h
Barometer 1018.4 mb (30.08 in)
Dewpoint 25°C (77°F)
Visibility 16 km
Heat Index37°C (99°F)
Last update 13 Jul 10:56 am EDT
Extended Forecast for

St. Augustine Airport FL

  • Today

    Today: Showers and thunderstorms likely, mainly after 5pm. Partly sunny, with a high near 34. Heat index values as high as 41. West wind 11 to 13 km/h. Chance of precipitation is 70%. New rainfall amounts between 7.5 mm and 1 cm possible.

    High: 34 °C

    T-storms
    Likely

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 23. West wind 8 to 11 km/h.

    Low: 23 °C

    Chance
    T-storms

  • Monday

    Monday: A chance of showers, then showers and thunderstorms likely after 11am. Mostly sunny, with a high near 33. Heat index values as high as 42. West wind 8 to 14 km/h becoming northeast in the afternoon. Chance of precipitation is 70%. New rainfall amounts between 1 and 2.5 mm, except higher amounts possible in thunderstorms.

    High: 33 °C

    Chance
    T-storms 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 24. East wind 5 to 8 km/h becoming calm in the evening. Chance of precipitation is 60%.

    Low: 24 °C

    T-storms
    Likely then
    Slight Chance
    Showers

  • Tuesday

    Tuesday: Showers and thunderstorms likely, mainly between 2pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Mostly sunny, with a high near 32. Light east wind increasing to 13 to 18 km/h in the morning. Winds could gust as high as 27 km/h. Chance of precipitation is 70%.

    High: 32 °C

    Chance
    T-storms then
    T-storms
    Likely

  • Tuesday Night

    Tuesday Night: Showers and thunderstorms likely before 11pm, then a slight chance of showers between 11pm and 2am. Partly cloudy, with a low around 24. Chance of precipitation is 60%.

    Low: 24 °C

    Showers
    Likely then
    Slight Chance
    Showers

  • Wednesday

    Wednesday: A chance of thunderstorms before 8am, then a chance of showers and thunderstorms between 8am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 32. Chance of precipitation is 80%.

    High: 32 °C

    Chance
    T-storms then
    T-storms

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm before 8pm, then a slight chance of showers and thunderstorms between 8pm and 2am. Low around 24. Chance of precipitation is 80%.

    Low: 24 °C

    T-storms then
    Slight Chance
    T-storms

  • Thursday

    Thursday: Showers and thunderstorms likely, mainly after 2pm. Mostly sunny, with a high near 32. Chance of precipitation is 70%.

    High: 32 °C

    Chance
    T-storms then
    T-storms
    Likely

Detailed Forecast

Today
Showers and thunderstorms likely, mainly after 5pm. Partly sunny, with a high near 34. Heat index values as high as 41. West wind 11 to 13 km/h. Chance of precipitation is 70%. New rainfall amounts between 7.5 mm and 1 cm possible.
Tonight
A 30 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 23. West wind 8 to 11 km/h.
Monday
A chance of showers, then showers and thunderstorms likely after 11am. Mostly sunny, with a high near 33. Heat index values as high as 42. West wind 8 to 14 km/h becoming northeast in the afternoon. Chance of precipitation is 70%. New rainfall amounts between 1 and 2.5 mm, except higher amounts possible in thunderstorms.
Monday Night
Showers and thunderstorms likely before 11pm, then a slight chance of showers between 11pm and 2am. Partly cloudy, with a low around 24. East wind 5 to 8 km/h becoming calm in the evening. Chance of precipitation is 60%.
Tuesday
Showers and thunderstorms likely, mainly between 2pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Mostly sunny, with a high near 32. Light east wind increasing to 13 to 18 km/h in the morning. Winds could gust as high as 27 km/h. Chance of precipitation is 70%.
Tuesday Night
Showers and thunderstorms likely before 11pm, then a slight chance of showers between 11pm and 2am. Partly cloudy, with a low around 24. Chance of precipitation is 60%.
Wednesday
A chance of thunderstorms before 8am, then a chance of showers and thunderstorms between 8am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 32. Chance of precipitation is 80%.
Wednesday Night
Showers and possibly a thunderstorm before 8pm, then a slight chance of showers and thunderstorms between 8pm and 2am. Low around 24. Chance of precipitation is 80%.
Thursday
Showers and thunderstorms likely, mainly after 2pm. Mostly sunny, with a high near 32. Chance of precipitation is 70%.
Thursday Night
Showers and thunderstorms likely before 8pm. Partly cloudy, with a low around 24. Chance of precipitation is 60%.
Friday
Showers and thunderstorms likely. Mostly sunny, with a high near 33. Chance of precipitation is 60%.
Friday Night
Showers and thunderstorms likely. Partly cloudy, with a low around 24. Chance of precipitation is 60%.
Saturday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 33.
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ABOUT THIS FORECAST

 
Point Forecast:
St. Augustine Airport FL
 29.95°N 81.35°W
Last Update:
9:56 am EDT Jul 13, 2025
Forecast Valid:
11am EDT Jul 13, 2025-6pm EDT Jul 19, 2025
 
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Additional Resources

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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