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.

Thunderstorm

76°F

24°C

Humidity 91%
Wind Speed N 8 mph
Barometer 30.02 in (1016.5 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index76°F (24°C)
Last update 13 Jul 6:56 pm EDT
Extended Forecast for

Saint Augustine FL

  • Tonight

    Tonight: A 50 percent chance of showers and thunderstorms, mainly before 1am. Cloudy, then gradually becoming partly cloudy, with a low around 75. West wind 7 to 10 mph, with gusts as high as 16 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 75 °F

    Chance
    T-storms then
    Chance
    Showers

  • Monday

    Monday: A slight chance of showers, then a chance of showers and thunderstorms after noon. Mostly sunny, with a high near 91. Heat index values as high as 105. West wind 6 to 11 mph becoming northeast in the afternoon. Winds could gust as high as 17 mph. Chance of precipitation is 30%.

    High: 91 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Monday Night

    Monday Night: A 30 percent chance of showers and thunderstorms, mainly between 11pm and midnight. Partly cloudy, with a low around 76. East wind 5 to 9 mph becoming light and variable in the evening.

    Low: 76 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: Showers and thunderstorms likely, mainly between 2pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Mostly sunny, with a high near 88. Heat index values as high as 100. Northeast wind 6 to 11 mph becoming east in the morning. Winds could gust as high as 17 mph. Chance of precipitation is 70%.

    High: 88 °F

    T-storms
    Likely

  • Tuesday Night

    Tuesday Night: Showers and thunderstorms likely before 11pm, then a slight chance of showers between 11pm and 2am. Partly cloudy, with a low around 75. Southeast wind 7 to 9 mph. Chance of precipitation is 60%.

    Low: 75 °F

    Showers
    Likely then
    Slight Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers, then showers and thunderstorms after 11am. High near 90. Breezy. Chance of precipitation is 80%.

    High: 90 °F

    Chance
    T-storms then
    T-storms and
    Breezy

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms, mainly before 8pm. Low around 76. Chance of precipitation is 80%.

    Low: 76 °F

    T-storms then
    Slight Chance
    T-storms

  • Thursday

    Thursday: A chance of showers and thunderstorms between 8am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 91. Chance of precipitation is 80%.

    High: 91 °F

    Chance
    T-storms then
    T-storms

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm before 8pm. Low around 76. Chance of precipitation is 80%.

    Low: 76 °F

    T-storms then
    Mostly Clear

Detailed Forecast

Tonight
A 50 percent chance of showers and thunderstorms, mainly before 1am. Cloudy, then gradually becoming partly cloudy, with a low around 75. West wind 7 to 10 mph, with gusts as high as 16 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
A slight chance of showers, then a chance of showers and thunderstorms after noon. Mostly sunny, with a high near 91. Heat index values as high as 105. West wind 6 to 11 mph becoming northeast in the afternoon. Winds could gust as high as 17 mph. Chance of precipitation is 30%.
Monday Night
A 30 percent chance of showers and thunderstorms, mainly between 11pm and midnight. Partly cloudy, with a low around 76. East wind 5 to 9 mph becoming light and variable in the evening.
Tuesday
Showers and thunderstorms likely, mainly between 2pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Mostly sunny, with a high near 88. Heat index values as high as 100. Northeast wind 6 to 11 mph becoming east in the morning. Winds could gust as high as 17 mph. Chance of precipitation is 70%.
Tuesday Night
Showers and thunderstorms likely before 11pm, then a slight chance of showers between 11pm and 2am. Partly cloudy, with a low around 75. Southeast wind 7 to 9 mph. Chance of precipitation is 60%.
Wednesday
A chance of showers, then showers and thunderstorms after 11am. High near 90. Breezy. Chance of precipitation is 80%.
Wednesday Night
Showers and thunderstorms, mainly before 8pm. Low around 76. Chance of precipitation is 80%.
Thursday
A chance of showers and thunderstorms between 8am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 91. Chance of precipitation is 80%.
Thursday Night
Showers and possibly a thunderstorm before 8pm. Low around 76. Chance of precipitation is 80%.
Friday
Showers and thunderstorms likely, mainly after 2pm. Sunny, with a high near 92. Chance of precipitation is 60%.
Friday Night
Showers and thunderstorms likely. Partly cloudy, with a low around 75. Chance of precipitation is 60%.
Saturday
A 50 percent chance of showers and thunderstorms. Sunny, with a high near 93.
Saturday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 76.
Sunday
Showers and thunderstorms likely. Mostly sunny, with a high near 93. Chance of precipitation is 60%.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Saint Augustine FL
 29.88°N 81.33°W
Last Update:
6:51 pm EDT Jul 13, 2025
Forecast Valid:
6pm EDT Jul 13, 2025-6pm EDT Jul 20, 2025
 
Forecast Discussion
 
Get as KML Get as XML

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