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.

Fair

81°F

27°C

Humidity 74%
Wind Speed S 7 mph
Barometer 30.14 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 18 Jun 7:50 am EDT
Extended Forecast for

St. Augustine Airport FL

  • Today

    Today: A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 91. Heat index values as high as 106. Southeast wind 6 to 14 mph, with gusts as high as 21 mph.

    High: 91 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Tonight

    Tonight: Mostly cloudy, with a low around 75. Breezy, with a southeast wind 6 to 15 mph, with gusts as high as 23 mph.

    Low: 75 °F

    Mostly Cloudy
    and Breezy
    then Mostly
    Cloudy

  • Juneteenth

    Juneteenth: Showers and thunderstorms likely after 2pm. Mostly sunny, with a high near 91. Heat index values as high as 103. Southeast wind 5 to 10 mph, with gusts as high as 16 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 91 °F

    Sunny then
    T-storms
    Likely

  • Thursday Night

    Thursday Night: Showers and thunderstorms likely before 5am, then a slight chance of showers. Mostly cloudy, with a low around 74. South wind 6 to 9 mph. Chance of precipitation is 60%.

    Low: 74 °F

    T-storms
    Likely then
    Chance
    T-storms

  • Friday

    Friday: A slight chance of showers, then showers and thunderstorms likely after 11am. Mostly sunny, with a high near 91. Light and variable wind becoming southeast 5 to 8 mph in the afternoon. Chance of precipitation is 70%.

    High: 91 °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 89.

    High: 89 °F

    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 74.

    Low: 74 °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 89.

    High: 89 °F

    Chance
    T-storms

Detailed Forecast

Today
A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 91. Heat index values as high as 106. Southeast wind 6 to 14 mph, with gusts as high as 21 mph.
Tonight
Mostly cloudy, with a low around 75. Breezy, with a southeast wind 6 to 15 mph, with gusts as high as 23 mph.
Juneteenth
Showers and thunderstorms likely after 2pm. Mostly sunny, with a high near 91. Heat index values as high as 103. Southeast wind 5 to 10 mph, with gusts as high as 16 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Showers and thunderstorms likely before 5am, then a slight chance of showers. Mostly cloudy, with a low around 74. South wind 6 to 9 mph. Chance of precipitation is 60%.
Friday
A slight chance of showers, then showers and thunderstorms likely after 11am. Mostly sunny, with a high near 91. Light and variable wind becoming southeast 5 to 8 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 89.
Saturday Night
A 30 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 74.
Sunday
A 40 percent chance of showers and thunderstorms, mainly after 2pm. Sunny, with a high near 89.
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 89.
Monday Night
A 30 percent chance of showers and thunderstorms. Mostly clear, with a low around 74.
Tuesday
A 40 percent chance of showers and thunderstorms. Sunny, with a high near 89.
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ABOUT THIS FORECAST

 
Point Forecast:
St. Augustine Airport FL
 29.97°N 81.35°W
Last Update:
8:30 am EDT Jun 18, 2025
Forecast Valid:
8am EDT Jun 18, 2025-6pm EDT Jun 24, 2025
 
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