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.

Fair

85°F

29°C

Humidity 80%
Wind Speed E 6 mph
Barometer 30.17 in (1021.8 mb)
Dewpoint 78°F (26°C)
Visibility 10.00 mi
Heat Index97°F (36°C)
Last update 9 Sep 9:56 am EDT
Extended Forecast for

St. Augustine Airport FL

  • Today

    Today: A chance of showers, with thunderstorms also possible after noon. Partly sunny, with a high near 88. Heat index values as high as 102. Breezy, with an east wind 8 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 40%.

    High: 88 °F

    Chance
    Showers and
    Breezy

  • Tonight

    Tonight: A slight chance of showers and thunderstorms between 7pm and 8pm. Partly cloudy, with a low around 77. East wind 6 to 11 mph, with gusts as high as 17 mph. Chance of precipitation is 10%.

    Low: 77 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Thursday

    Thursday: A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 89. Heat index values as high as 100. Light south wind becoming southeast 5 to 10 mph in the afternoon. Chance of precipitation is 30%.

    High: 89 °F

    Mostly Sunny
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: A slight chance of showers before 7pm, then a slight chance of showers and thunderstorms between 7pm and 2am. Partly cloudy, with a low around 75. Southeast wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 20%.

    Low: 75 °F

    Slight Chance
    T-storms

  • Friday

    Friday: A slight chance of showers between 8am and 2pm, then showers and thunderstorms likely after 2pm. Partly sunny, with a high near 89. Calm wind becoming southeast 5 to 8 mph in the afternoon. Chance of precipitation is 70%.

    High: 89 °F

    Slight Chance
    Showers 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
    Slight Chance
    T-storms

  • Saturday

    Saturday: Showers and thunderstorms likely, mainly after 2pm. Partly sunny, with a high near 88. Chance of precipitation is 70%.

    High: 88 °F

    Slight Chance
    T-storms then
    T-storms
    Likely

  • Saturday Night

    Saturday Night: Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 75. Chance of precipitation is 60%.

    Low: 75 °F

    T-storms
    Likely then
    Slight Chance
    T-storms

  • Sunday

    Sunday: A 50 percent chance of showers and thunderstorms, mainly after 2pm. Partly sunny, with a high near 89.

    High: 89 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

Detailed Forecast

Today
A chance of showers, with thunderstorms also possible after noon. Partly sunny, with a high near 88. Heat index values as high as 102. Breezy, with an east wind 8 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 40%.
Tonight
A slight chance of showers and thunderstorms between 7pm and 8pm. Partly cloudy, with a low around 77. East wind 6 to 11 mph, with gusts as high as 17 mph. Chance of precipitation is 10%.
Thursday
A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 89. Heat index values as high as 100. Light south wind becoming southeast 5 to 10 mph in the afternoon. Chance of precipitation is 30%.
Thursday Night
A slight chance of showers before 7pm, then a slight chance of showers and thunderstorms between 7pm and 2am. Partly cloudy, with a low around 75. Southeast wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 20%.
Friday
A slight chance of showers between 8am and 2pm, then showers and thunderstorms likely after 2pm. Partly sunny, with a high near 89. Calm 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
Showers and thunderstorms likely, mainly after 2pm. Partly sunny, with a high near 88. Chance of precipitation is 70%.
Saturday Night
Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 75. Chance of precipitation is 60%.
Sunday
A 50 percent chance of showers and thunderstorms, mainly after 2pm. Partly sunny, with a high near 89.
Sunday Night
A 30 percent chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 75.
Monday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88.
Monday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 75.
Tuesday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 87.
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ABOUT THIS FORECAST

 
Point Forecast:
St. Augustine Airport FL
 29.95°N 81.35°W
Last Update:
10:31 am EDT Sep 9, 2026
Forecast Valid:
10am EDT Sep 9, 2026-6pm EDT Sep 15, 2026
 
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Additional Resources

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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