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.

A Few Clouds

91°F

33°C

Humidity 64%
Wind Speed W 12 mph
Barometer 29.97 in (1014.7 mb)
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index105°F (41°C)
Last update 23 Aug 2:56 pm EDT
Extended Forecast for

3 Miles W Saint Augustine South FL

  • This Afternoon

    This Afternoon: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 93. Heat index values as high as 103. Southwest wind around 10 mph, with gusts as high as 16 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 93 °F

    Chance
    T-storms

  • Tonight

    Tonight: A 10 percent chance of showers and thunderstorms before 7pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 74. Southwest wind 5 to 8 mph.

    Low: 74 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Monday

    Monday: A 10 percent chance of showers and thunderstorms after 5pm. Sunny and hot, with a high near 95. Heat index values as high as 110. Southwest wind 5 to 7 mph becoming south in the afternoon.

    High: 95 °F

    Sunny then
    Slight Chance
    T-storms

  • Monday Night

    Monday Night: A 10 percent chance of showers and thunderstorms before 7pm. Mostly cloudy, with a low around 74. South wind 5 to 7 mph becoming calm in the evening.

    Low: 74 °F

    Slight Chance
    T-storms then
    Mostly Cloudy

  • Tuesday

    Tuesday: Showers and thunderstorms likely between 2pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Partly sunny, with a high near 93. Southwest wind 3 to 6 mph. Chance of precipitation is 70%.

    High: 93 °F

    Mostly Sunny
    then T-storms
    Likely

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm before 8pm. Mostly cloudy, with a low around 74. Chance of precipitation is 60%.

    Low: 74 °F

    Showers
    Likely then
    Partly Cloudy

  • Wednesday

    Wednesday: A 50 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 93.

    High: 93 °F

    Sunny then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 74.

    Low: 74 °F

    Chance
    T-storms then
    Partly Cloudy

  • Thursday

    Thursday: A 50 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 93.

    High: 93 °F

    Sunny then
    Chance
    T-storms

Detailed Forecast

This Afternoon
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 93. Heat index values as high as 103. Southwest wind around 10 mph, with gusts as high as 16 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
A 10 percent chance of showers and thunderstorms before 7pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 74. Southwest wind 5 to 8 mph.
Monday
A 10 percent chance of showers and thunderstorms after 5pm. Sunny and hot, with a high near 95. Heat index values as high as 110. Southwest wind 5 to 7 mph becoming south in the afternoon.
Monday Night
A 10 percent chance of showers and thunderstorms before 7pm. Mostly cloudy, with a low around 74. South wind 5 to 7 mph becoming calm in the evening.
Tuesday
Showers and thunderstorms likely between 2pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Partly sunny, with a high near 93. Southwest wind 3 to 6 mph. Chance of precipitation is 70%.
Tuesday Night
Showers likely and possibly a thunderstorm before 8pm. Mostly cloudy, with a low around 74. Chance of precipitation is 60%.
Wednesday
A 50 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 93.
Wednesday Night
A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 74.
Thursday
A 50 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 93.
Thursday Night
A 30 percent chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 74.
Friday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93.
Friday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 75.
Saturday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles W Saint Augustine South FL
 29.86°N 81.36°W
Last Update:
2:21 pm EDT Aug 23, 2026
Forecast Valid:
3pm EDT Aug 23, 2026-6pm EDT Aug 29, 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