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

73°F

23°C

Humidity 100%
Wind Speed SW 3 mph
Barometer 30.02 in (1016.6 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Last update 22 Jun 2:56 am EDT
Extended Forecast for

Saint Augustine South FL

  • Overnight

    Overnight: Mostly cloudy, with a low around 74. Southwest wind around 5 mph.

    Low: 74 °F

    Mostly Cloudy

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 93. Heat index values as high as 106. South wind 5 to 10 mph, with gusts as high as 16 mph.

    High: 93 °F

    Partly Sunny
    then Chance
    T-storms

  • Monday Night

    Monday Night: A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 75. South wind 6 to 9 mph becoming southwest after midnight.

    Low: 75 °F

    Chance
    T-storms then
    Partly Cloudy

  • Tuesday

    Tuesday: Sunny and hot, with a high near 95. Heat index values as high as 110. West wind 7 to 10 mph.

    High: 95 °F

    Hot

  • Tuesday Night

    Tuesday Night: A slight chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Partly cloudy, with a low around 77. West wind 5 to 7 mph. Chance of precipitation is 20%.

    Low: 77 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Wednesday

    Wednesday: A slight chance of showers, then a chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 93. Chance of precipitation is 50%.

    High: 93 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Partly cloudy, with a low around 76. Chance of precipitation is 30%.

    Low: 76 °F

    Chance
    T-storms then
    Slight Chance
    Showers

  • Thursday

    Thursday: A 40 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 93.

    High: 93 °F

    Sunny then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A 30 percent chance of showers and thunderstorms, mainly before 8pm. Mostly cloudy, with a low around 76.

    Low: 76 °F

    Chance
    T-storms

Detailed Forecast

Overnight
Mostly cloudy, with a low around 74. Southwest wind around 5 mph.
Monday
A 30 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 93. Heat index values as high as 106. South wind 5 to 10 mph, with gusts as high as 16 mph.
Monday Night
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 75. South wind 6 to 9 mph becoming southwest after midnight.
Tuesday
Sunny and hot, with a high near 95. Heat index values as high as 110. West wind 7 to 10 mph.
Tuesday Night
A slight chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Partly cloudy, with a low around 77. West wind 5 to 7 mph. Chance of precipitation is 20%.
Wednesday
A slight chance of showers, then a chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 93. Chance of precipitation is 50%.
Wednesday Night
A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Partly cloudy, with a low around 76. Chance of precipitation is 30%.
Thursday
A 40 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, mainly before 8pm. Mostly cloudy, with a low around 76.
Friday
A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 94.
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. Sunny, with a high near 94.
Saturday Night
A 10 percent chance of showers and thunderstorms. Partly cloudy, with a low around 77.
Sunday
Sunny, with a high near 94.
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ABOUT THIS FORECAST

 
Point Forecast:
Saint Augustine South FL
 29.83°N 81.34°W
Last Update:
2:21 am EDT Jun 22, 2026
Forecast Valid:
3am EDT Jun 22, 2026-6pm EDT Jun 28, 2026
 
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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