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.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

Saint Augustine FL

  • Today

    Today: A 20 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 89. Heat index values as high as 102. Breezy, with a southeast wind 6 to 15 mph, with gusts as high as 23 mph.

    High: 89 °F

    Sunny then
    Slight Chance
    T-storms and
    Breezy

  • Tonight

    Tonight: Partly cloudy, with a low around 75. Southeast wind 7 to 14 mph, with gusts as high as 21 mph.

    Low: 75 °F

    Partly Cloudy

  • Juneteenth

    Juneteenth: A 50 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 89. Heat index values as high as 102. Southeast wind 5 to 11 mph, with gusts as high as 17 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 89 °F

    Sunny then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 5am, then a slight chance of showers. Mostly cloudy, with a low around 75. South wind 6 to 10 mph, with gusts as high as 16 mph. Chance of precipitation is 30%.

    Low: 75 °F

    Chance
    T-storms

  • Friday

    Friday: A slight chance of showers, then showers and thunderstorms likely after 11am. Mostly sunny, with a high near 89. Light and variable wind becoming southeast 5 to 9 mph in the afternoon. Chance of precipitation is 70%.

    High: 89 °F

    Slight Chance
    T-storms then
    T-storms
    Likely

  • Friday Night

    Friday Night: Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 74. Chance of precipitation is 60%.

    Low: 74 °F

    T-storms
    Likely then
    Chance
    Showers

  • Saturday

    Saturday: A 40 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 88.

    High: 88 °F

    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 75.

    Low: 75 °F

    Chance
    T-storms then
    Mostly Clear

  • Sunday

    Sunday: A 40 percent chance of showers and thunderstorms, mainly after 2pm. Sunny, with a high near 87.

    High: 87 °F

    Chance
    T-storms

Detailed Forecast

Today
A 20 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 89. Heat index values as high as 102. Breezy, with a southeast wind 6 to 15 mph, with gusts as high as 23 mph.
Tonight
Partly cloudy, with a low around 75. Southeast wind 7 to 14 mph, with gusts as high as 21 mph.
Juneteenth
A 50 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 89. Heat index values as high as 102. Southeast wind 5 to 11 mph, with gusts as high as 17 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A chance of showers and thunderstorms before 5am, then a slight chance of showers. Mostly cloudy, with a low around 75. South wind 6 to 10 mph, with gusts as high as 16 mph. Chance of precipitation is 30%.
Friday
A slight chance of showers, then showers and thunderstorms likely after 11am. Mostly sunny, with a high near 89. Light and variable wind becoming southeast 5 to 9 mph in the afternoon. Chance of precipitation is 70%.
Friday Night
Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 74. Chance of precipitation is 60%.
Saturday
A 40 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 88.
Saturday Night
A 30 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 75.
Sunday
A 40 percent chance of showers and thunderstorms, mainly after 2pm. Sunny, with a high near 87.
Sunday Night
A 30 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 75.
Monday
A 40 percent chance of showers and thunderstorms. Sunny, with a high near 87.
Monday Night
A 30 percent chance of showers and thunderstorms. Mostly clear, with a low around 75.
Tuesday
A 40 percent chance of showers and thunderstorms. Sunny, with a high near 88.
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ABOUT THIS FORECAST

 
Point Forecast:
Saint Augustine FL
 29.9°N 81.3°W
Last Update:
3:50 am EDT Jun 18, 2025
Forecast Valid:
4am EDT Jun 18, 2025-6pm EDT Jun 24, 2025
 
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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