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

24°C

75°F

Humidity 88%
Wind Speed SW 11 km/h
Barometer 1018.8 mb (30.09 in)
Dewpoint 22°C (71°F)
Visibility 16 km
Last update 12 Jul 11:56 pm EDT
Extended Forecast for

St. Augustine Airport FL

  • Overnight

    Overnight: A slight chance of showers before 1am, then a slight chance of showers after 5am. Mostly cloudy, with a low around 24. Southwest wind 8 to 10 km/h. Chance of precipitation is 20%.

    Low: 24 °C

    Slight Chance
    Showers

  • Sunday

    Sunday: A slight chance of showers, then showers and thunderstorms likely after noon. Partly sunny, with a high near 34. Heat index values as high as 42. West wind 11 to 14 km/h becoming northeast in the afternoon. Chance of precipitation is 60%. New rainfall amounts between 1 and 2 cm possible.

    High: 34 °C

    Slight Chance
    Showers then
    T-storms
    Likely

  • Sunday Night

    Sunday Night: Showers and thunderstorms likely before midnight, then a slight chance of showers. Mostly cloudy, with a low around 23. West wind 8 to 13 km/h. Chance of precipitation is 60%. New precipitation amounts between 5 and 7.5 mm possible.

    Low: 23 °C

    T-storms
    Likely then
    Slight Chance
    Showers

  • 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%.

    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. 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

Detailed Forecast

Overnight
A slight chance of showers before 1am, then a slight chance of showers after 5am. Mostly cloudy, with a low around 24. Southwest wind 8 to 10 km/h. Chance of precipitation is 20%.
Sunday
A slight chance of showers, then showers and thunderstorms likely after noon. Partly sunny, with a high near 34. Heat index values as high as 42. West wind 11 to 14 km/h becoming northeast in the afternoon. Chance of precipitation is 60%. New rainfall amounts between 1 and 2 cm possible.
Sunday Night
Showers and thunderstorms likely before midnight, then a slight chance of showers. Mostly cloudy, with a low around 23. West wind 8 to 13 km/h. Chance of precipitation is 60%. New precipitation amounts between 5 and 7.5 mm possible.
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%.
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. 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. 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:
11:26 pm EDT Jul 12, 2025
Forecast Valid:
12am EDT Jul 13, 2025-6pm EDT Jul 19, 2025
 
Forecast Discussion
 
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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