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.

A Few Clouds

87°F

31°C

Humidity 65%
Wind Speed N 15 mph
Barometer 29.87 in (1011.5 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index95°F (35°C)
Last update 20 Aug 1:56 pm EDT
Extended Forecast for

Saint Augustine Beach FL

High Surf Advisory August 20, 02:44pm until August 22, 02:00am
Coastal Flood Advisory August 20, 05:00pm until August 20, 11:00pm
Click here for hazard details and duration
High Surf Advisory
Coastal Flood Advisory
  •  
    High Surf Advisory August 20, 02:44pm until August 22, 02:00am

    NOW until 2:00am Fri

    High Surf Advisory

  • This Afternoon

    High: 90 °F

    Chance
    Showers and
    Windy

  • Tonight

    Tonight: Mostly clear, with a low around 77. North wind around 6 mph becoming light and variable.

    Low: 77 °F

    Mostly Clear

  • Thursday

    Thursday: A 40 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 94. Heat index values as high as 103. West wind around 8 mph becoming east in the afternoon.

    High: 94 °F

    Sunny then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A 30 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 75. Southwest wind around 6 mph.

    Low: 75 °F

    Chance
    T-storms then
    Chance
    Showers

  • Friday

    Friday: A chance of showers and thunderstorms before 2pm, then showers and possibly a thunderstorm between 2pm and 5pm, then showers and thunderstorms after 5pm. High near 91. West wind 5 to 7 mph becoming southeast in the afternoon. Chance of precipitation is 80%.

    High: 91 °F

    Chance
    T-storms then
    T-storms

  • Friday Night

    Friday Night: Showers and thunderstorms before 5am, then a chance of showers. Low around 75. Chance of precipitation is 80%.

    Low: 75 °F

    T-storms then
    Showers
    Likely

  • Saturday

    Saturday: A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 91. Chance of precipitation is 90%.

    High: 91 °F

    Chance
    T-storms then
    T-storms

  • Saturday Night

    Saturday 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 75. Chance of precipitation is 80%.

    Low: 75 °F

    T-storms then
    Chance
    T-storms

Detailed Forecast

This Afternoon
A 30 percent chance of showers and thunderstorms, mainly before 3pm. Mostly sunny, with a high near 90. Windy, with a north wind 18 to 20 mph, with gusts as high as 24 mph.
Tonight
Mostly clear, with a low around 77. North wind around 6 mph becoming light and variable.
Thursday
A 40 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 94. Heat index values as high as 103. West wind around 8 mph becoming east in the afternoon.
Thursday Night
A 30 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 75. Southwest wind around 6 mph.
Friday
A chance of showers and thunderstorms before 2pm, then showers and possibly a thunderstorm between 2pm and 5pm, then showers and thunderstorms after 5pm. High near 91. West wind 5 to 7 mph becoming southeast in the afternoon. Chance of precipitation is 80%.
Friday Night
Showers and thunderstorms before 5am, then a chance of showers. Low around 75. Chance of precipitation is 80%.
Saturday
A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 91. Chance of precipitation is 90%.
Saturday 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 75. Chance of precipitation is 80%.
Sunday
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 90. Chance of precipitation is 80%.
Sunday Night
Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a slight chance of showers after 2am. Low around 75. Chance of precipitation is 80%.
Monday
Showers and thunderstorms likely. Mostly sunny, with a high near 90. Chance of precipitation is 60%.
Monday Night
Showers and thunderstorms likely. Partly cloudy, with a low around 75. Chance of precipitation is 60%.
Tuesday
A 30 percent chance of showers and thunderstorms. Sunny, with a high near 90.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Saint Augustine Beach FL
 29.85°N 81.28°W
Last Update:
1:31 pm EDT Aug 20, 2025
Forecast Valid:
2pm EDT Aug 20, 2025-6pm EDT Aug 26, 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