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 88%
Wind Speed S 12 mph
Barometer 30.09 in (1019.0 mb)
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index88°F (31°C)
Last update 17 Jul 12:56 am EDT
Extended Forecast for

Saint Augustine FL

  • Overnight

    Overnight: Partly cloudy, with a low around 76. South wind around 9 mph.

    Low: 76 °F

    Partly Cloudy

  • Thursday

    Thursday: A slight chance of showers between noon and 2pm, then a chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 90. Heat index values as high as 105. Breezy, with a southeast wind 7 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 40%.

    High: 90 °F

    Mostly Sunny
    then Chance
    T-storms and
    Breezy

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 10pm. Partly cloudy, with a low around 76. South wind 6 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

    Low: 76 °F

    Chance
    Showers then
    Partly Cloudy

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 92. Heat index values as high as 107. Southeast wind 5 to 11 mph, with gusts as high as 17 mph.

    High: 92 °F

    Sunny then
    Chance
    T-storms

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 75. Southeast wind 5 to 9 mph.

    Low: 75 °F

    Chance
    T-storms then
    Mostly Clear

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 93.

    High: 93 °F

    Sunny then
    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: A 10 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 76.

    Low: 76 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 95.

    High: 95 °F

    Sunny then
    Chance
    T-storms

  • Sunday Night

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

    Low: 76 °F

    Chance
    T-storms then
    Mostly Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 76. South wind around 9 mph.
Thursday
A slight chance of showers between noon and 2pm, then a chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 90. Heat index values as high as 105. Breezy, with a southeast wind 7 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 40%.
Thursday Night
A chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 10pm. Partly cloudy, with a low around 76. South wind 6 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Friday
A 30 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 92. Heat index values as high as 107. Southeast wind 5 to 11 mph, with gusts as high as 17 mph.
Friday Night
A 30 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 75. Southeast wind 5 to 9 mph.
Saturday
A 20 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 93.
Saturday Night
A 10 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 76.
Sunday
A 30 percent chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 95.
Sunday Night
A 30 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 76.
Monday
A 40 percent chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 95.
Monday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 76.
Tuesday
Showers and thunderstorms likely. Partly sunny, with a high near 92. Chance of precipitation is 60%.
Tuesday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 74. Chance of precipitation is 60%.
Wednesday
Showers and thunderstorms likely. Mostly sunny, with a high near 90. Chance of precipitation is 60%.
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ABOUT THIS FORECAST

 
Point Forecast:
Saint Augustine FL
 29.9°N 81.33°W
Last Update:
1:26 am EDT Jul 17, 2025
Forecast Valid:
1am EDT Jul 17, 2025-6pm EDT Jul 23, 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