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.

77°F

25°C

Humidity 96%
Wind Speed SW 3 mph
Barometer 30.02 in (1016.6 mb)
Dewpoint 76°F (24°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 13 Sep 2:56 am EDT
Extended Forecast for

Saint Augustine FLSimilar City Names

  • Overnight

    Overnight: Mostly cloudy, with a low around 75. Light southwest wind.

    Low: 75 °F

    Mostly Cloudy

  • Sunday

    Sunday: A 40 percent chance of showers and thunderstorms after 2pm. Increasing clouds, with a high near 91. Heat index values as high as 103. Light and variable wind becoming east 5 to 7 mph in the morning.

    High: 91 °F

    Mostly Sunny
    then Chance
    T-storms

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms, mainly before 9pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 75. South wind 5 to 7 mph becoming calm in the evening.

    Low: 75 °F

    Chance
    T-storms then
    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 91. Heat index values as high as 105. Light and variable wind becoming northeast 5 to 8 mph in the morning.

    High: 91 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 76. East wind around 5 mph becoming calm in the evening.

    Low: 76 °F

    Mostly Clear

  • Tuesday

    Tuesday: A slight chance of showers before 11am, then a slight chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Mostly sunny, with a high near 88. Breezy. Chance of precipitation is 60%.

    High: 88 °F

    Slight Chance
    T-storms then
    Showers
    Likely and
    Breezy

  • Tuesday Night

    Tuesday Night: Showers and thunderstorms likely before 11pm, then a chance of showers. Mostly cloudy, with a low around 76. Breezy. Chance of precipitation is 60%.

    Low: 76 °F

    Showers
    Likely and
    Breezy

  • Wednesday

    Wednesday: A chance of showers, with thunderstorms also possible after 2pm. Mostly sunny, with a high near 85. Windy. Chance of precipitation is 30%.

    High: 85 °F

    Chance
    Showers and
    Windy

  • Wednesday Night

    Wednesday Night: A slight chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 2am, then a slight chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 76. Windy. Chance of precipitation is 20%.

    Low: 76 °F

    Slight Chance
    T-storms and
    Windy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 75. Light southwest wind.
Sunday
A 40 percent chance of showers and thunderstorms after 2pm. Increasing clouds, with a high near 91. Heat index values as high as 103. Light and variable wind becoming east 5 to 7 mph in the morning.
Sunday Night
A 30 percent chance of showers and thunderstorms, mainly before 9pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 75. South wind 5 to 7 mph becoming calm in the evening.
Monday
Mostly sunny, with a high near 91. Heat index values as high as 105. Light and variable wind becoming northeast 5 to 8 mph in the morning.
Monday Night
Mostly clear, with a low around 76. East wind around 5 mph becoming calm in the evening.
Tuesday
A slight chance of showers before 11am, then a slight chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Mostly sunny, with a high near 88. Breezy. Chance of precipitation is 60%.
Tuesday Night
Showers and thunderstorms likely before 11pm, then a chance of showers. Mostly cloudy, with a low around 76. Breezy. Chance of precipitation is 60%.
Wednesday
A chance of showers, with thunderstorms also possible after 2pm. Mostly sunny, with a high near 85. Windy. Chance of precipitation is 30%.
Wednesday Night
A slight chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 2am, then a slight chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 76. Windy. Chance of precipitation is 20%.
Thursday
A chance of showers and thunderstorms before 8am, then a chance of showers between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 85. Windy. Chance of precipitation is 50%.
Thursday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 75.
Friday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 86.
Friday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 74.
Saturday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 86.
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ABOUT THIS FORECAST

 
Point Forecast:
Saint Augustine FLSimilar City Names
 29.9°N 81.33°W
Last Update:
2:20 am EDT Sep 13, 2026
Forecast Valid:
3am EDT Sep 13, 2026-6pm EDT Sep 19, 2026
 
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Additional Resources

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Chance of Precipitation