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.

Partly Cloudy

87°F

31°C

Humidity 75%
Wind Speed SE 14 mph
Barometer 29.94 in (1013.8 mb)
Dewpoint 78°F (26°C)
Visibility 10.00 mi
Heat Index100°F (38°C)
Last update 20 Jun 5:56 pm EDT
Extended Forecast for

Saint Augustine FL

  • Tonight

    Tonight: Showers and thunderstorms likely before midnight, then a slight chance of showers between midnight and 2am. Mostly cloudy, with a low around 73. West wind 5 to 8 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 73 °F

    T-storms
    Likely then
    Slight Chance
    Showers

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 89. West wind 5 to 8 mph becoming northeast in the afternoon.

    High: 89 °F

    Mostly Sunny
    then Chance
    T-storms

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 77. South wind around 5 mph becoming light and variable in the evening.

    Low: 77 °F

    Chance
    T-storms then
    Mostly Clear

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 92. Heat index values as high as 102. West wind 5 to 9 mph becoming south in the afternoon.

    High: 92 °F

    Sunny then
    Chance
    T-storms

  • Monday Night

    Monday Night: A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 77. South wind 6 to 8 mph becoming southwest after midnight.

    Low: 77 °F

    Chance
    T-storms then
    Mostly Clear

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 93.

    High: 93 °F

    Sunny then
    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 78.

    Low: 78 °F

    Slight Chance
    T-storms

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 92.

    High: 92 °F

    Sunny then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 77.

    Low: 77 °F

    Chance
    T-storms

Detailed Forecast

Tonight
Showers and thunderstorms likely before midnight, then a slight chance of showers between midnight and 2am. Mostly cloudy, with a low around 73. West wind 5 to 8 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 89. West wind 5 to 8 mph becoming northeast in the afternoon.
Sunday Night
A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 77. South wind around 5 mph becoming light and variable in the evening.
Monday
A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 92. Heat index values as high as 102. West wind 5 to 9 mph becoming south in the afternoon.
Monday Night
A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 77. South wind 6 to 8 mph becoming southwest after midnight.
Tuesday
A 20 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 93.
Tuesday Night
A 20 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 78.
Wednesday
A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 92.
Wednesday Night
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 77.
Thursday
A 40 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 92.
Thursday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 77.
Friday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92.
Friday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 77.
Saturday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91.
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ABOUT THIS FORECAST

 
Point Forecast:
Saint Augustine FL
 29.9°N 81.3°W
Last Update:
2:56 pm EDT Jun 20, 2026
Forecast Valid:
6pm EDT Jun 20, 2026-6pm EDT Jun 27, 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