National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Northeast Florida Regional Airport (KSGJ)

Lat: 29.96°NLon: 81.34°WElev: 3ft.

Mostly Cloudy

84°F

29°C

Humidity 82%
Wind Speed NE 15 mph
Barometer 30.16 in
Dewpoint 78°F (26°C)
Visibility 10.00 mi
Heat Index95°F (35°C)
Last update 15 Sep 11:56 am EDT
Extended Forecast for

Saint Augustine FL

  • This Afternoon

    This Afternoon: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 87. Heat index values as high as 100. Windy, with an east wind 16 to 20 mph, with gusts as high as 28 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 87 °F

    Showers
    Likely and
    Windy

  • Tonight

    Tonight: A chance of showers and thunderstorms before 2am, then a slight chance of showers. Mostly cloudy, with a low around 78. Windy, with an east wind 18 to 21 mph, with gusts as high as 30 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 78 °F

    Windy. Chance
    T-storms then
    Chance
    Showers

  • Wednesday

    Wednesday: A 30 percent chance of showers, mainly after 2pm. Mostly sunny, with a high near 85. Windy, with a northeast wind 17 to 22 mph, with gusts as high as 29 mph.

    High: 85 °F

    Windy. Mostly
    Sunny then
    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers, mainly before 7pm. Partly cloudy, with a low around 76. Windy, with an east wind 17 to 21 mph, with gusts as high as 28 mph.

    Low: 76 °F

    Chance
    Showers and
    Windy

  • Thursday

    Thursday: A slight chance of showers, then a chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 84. Windy, with a northeast wind 15 to 22 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.

    High: 84 °F

    Chance
    T-storms and
    Windy

  • Thursday Night

    Thursday Night: A 30 percent chance of showers and thunderstorms, mainly before 2am. Partly cloudy, with a low around 75. Breezy.

    Low: 75 °F

    Chance
    T-storms and
    Breezy then
    Chance
    Showers

  • Friday

    Friday: A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 84. Breezy.

    High: 84 °F

    Chance
    T-storms and
    Breezy

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 75.

    Low: 75 °F

    Chance
    T-storms

  • Saturday

    Saturday: A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 84.

    High: 84 °F

    Chance
    T-storms

Detailed Forecast

This Afternoon
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 87. Heat index values as high as 100. Windy, with an east wind 16 to 20 mph, with gusts as high as 28 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
A chance of showers and thunderstorms before 2am, then a slight chance of showers. Mostly cloudy, with a low around 78. Windy, with an east wind 18 to 21 mph, with gusts as high as 30 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
A 30 percent chance of showers, mainly after 2pm. Mostly sunny, with a high near 85. Windy, with a northeast wind 17 to 22 mph, with gusts as high as 29 mph.
Wednesday Night
A 30 percent chance of showers, mainly before 7pm. Partly cloudy, with a low around 76. Windy, with an east wind 17 to 21 mph, with gusts as high as 28 mph.
Thursday
A slight chance of showers, then a chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 84. Windy, with a northeast wind 15 to 22 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Thursday Night
A 30 percent chance of showers and thunderstorms, mainly before 2am. Partly cloudy, with a low around 75. Breezy.
Friday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 84. Breezy.
Friday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 75.
Saturday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 84.
Saturday Night
A 40 percent chance of showers and thunderstorms, mainly before 2am. Mostly cloudy, with a low around 75.
Sunday
Showers and thunderstorms likely. Partly sunny, with a high near 85. Chance of precipitation is 60%.
Sunday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 74. Chance of precipitation is 60%.
Monday
Showers and thunderstorms likely. Partly sunny, with a high near 85. Chance of precipitation is 60%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Saint Augustine FL
 29.9°N 81.3°W
Last Update:
5:06 am EDT Sep 15, 2026
Forecast Valid:
12pm EDT Sep 15, 2026-6pm EDT Sep 21, 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