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

80°F

27°C

Humidity 85%
Wind Speed Calm
Barometer 30.10 in (1019.1 mb)
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 5 Aug 12:56 am EDT
Extended Forecast for

Saint Augustine FL

  • Overnight

    Overnight: A 30 percent chance of showers and thunderstorms, mainly after 3am. Partly cloudy, with a low around 76. Light south wind.

    Low: 76 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: Showers and thunderstorms likely, mainly between 4pm and 5pm. Sunny, with a high near 94. Heat index values as high as 107. Calm wind becoming east 5 to 8 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 94 °F

    Sunny then
    T-storms
    Likely

  • Tuesday Night

    Tuesday Night: Showers and thunderstorms likely, mainly before 1am. Mostly cloudy, with a low around 76. Southeast wind around 6 mph becoming calm in the evening. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 76 °F

    T-storms
    Likely then
    Chance
    T-storms

  • Wednesday

    Wednesday: A chance of showers, then showers and thunderstorms likely after 11am. Sunny, with a high near 91. Heat index values as high as 100. Calm wind becoming northeast 5 to 9 mph in the afternoon. Chance of precipitation is 70%.

    High: 91 °F

    Chance
    Showers then
    T-storms
    Likely

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms likely before 11pm, then a chance of showers between 11pm and 5am, then a chance of showers and thunderstorms after 5am. Partly cloudy, with a low around 77. East wind around 6 mph becoming calm in the evening. Chance of precipitation is 60%.

    Low: 77 °F

    T-storms
    Likely then
    Chance
    Showers

  • Thursday

    Thursday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2pm. High near 90. Chance of precipitation is 80%.

    High: 90 °F

    Chance
    T-storms then
    T-storms

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm before 2am, then a chance of showers and thunderstorms between 2am and 5am, then a chance of showers after 5am. Low around 76. Chance of precipitation is 80%.

    Low: 76 °F

    T-storms then
    Showers
    Likely

  • Friday

    Friday: A chance of showers, then showers and possibly a thunderstorm after 8am. High near 89. Chance of precipitation is 90%.

    High: 89 °F

    Showers
    Likely then
    T-storms

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a chance of showers after 2am. Low around 76. Chance of precipitation is 80%.

    Low: 76 °F

    T-storms then
    Chance
    T-storms

Detailed Forecast

Overnight
A 30 percent chance of showers and thunderstorms, mainly after 3am. Partly cloudy, with a low around 76. Light south wind.
Tuesday
Showers and thunderstorms likely, mainly between 4pm and 5pm. Sunny, with a high near 94. Heat index values as high as 107. Calm wind becoming east 5 to 8 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Showers and thunderstorms likely, mainly before 1am. Mostly cloudy, with a low around 76. Southeast wind around 6 mph becoming calm in the evening. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
A chance of showers, then showers and thunderstorms likely after 11am. Sunny, with a high near 91. Heat index values as high as 100. Calm wind becoming northeast 5 to 9 mph in the afternoon. Chance of precipitation is 70%.
Wednesday Night
Showers and thunderstorms likely before 11pm, then a chance of showers between 11pm and 5am, then a chance of showers and thunderstorms after 5am. Partly cloudy, with a low around 77. East wind around 6 mph becoming calm in the evening. Chance of precipitation is 60%.
Thursday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2pm. High near 90. Chance of precipitation is 80%.
Thursday Night
Showers and possibly a thunderstorm before 2am, then a chance of showers and thunderstorms between 2am and 5am, then a chance of showers after 5am. Low around 76. Chance of precipitation is 80%.
Friday
A chance of showers, then showers and possibly a thunderstorm after 8am. High near 89. Chance of precipitation is 90%.
Friday Night
Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a chance of showers after 2am. Low around 76. Chance of precipitation is 80%.
Saturday
A chance of showers before 8am, then a chance of showers and thunderstorms between 8am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 89. Chance of precipitation is 80%.
Saturday Night
Showers and thunderstorms. Low around 76. Chance of precipitation is 80%.
Sunday
Showers and thunderstorms likely. Mostly sunny, with a high near 91. Chance of precipitation is 70%.
Sunday Night
Showers and thunderstorms likely. Partly cloudy, with a low around 77. Chance of precipitation is 60%.
Monday
Showers and thunderstorms likely. Sunny, with a high near 92. 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 Aug 5, 2025
Forecast Valid:
2am EDT Aug 5, 2025-6pm EDT Aug 11, 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