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

78°F

26°C

Humidity 74%
Wind Speed SE 13 mph
Barometer 30.16 in (1021.2 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 19 May 9:56 pm EDT
Extended Forecast for

Saint Augustine South FL

  • Tonight

    Tonight: Mostly clear, with a low around 71. Southeast wind 7 to 11 mph.

    Low: 71 °F

    Mostly Clear

  • Wednesday

    Wednesday: Patchy fog before 8am. Otherwise, sunny, with a high near 87. Light east wind increasing to 6 to 11 mph in the morning.

    High: 87 °F

    Patchy Fog
    then Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 72. Southeast wind 5 to 7 mph becoming calm after midnight.

    Low: 72 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 89. Light and variable wind becoming east 8 to 13 mph in the afternoon.

    High: 89 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 74. South wind 5 to 9 mph, with gusts as high as 15 mph.

    Low: 74 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 90.

    High: 90 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 76.

    Low: 76 °F

    Partly Cloudy

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 89.

    High: 89 °F

    Sunny then
    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: A 10 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 77.

    Low: 77 °F

    Slight Chance
    T-storms then
    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 71. Southeast wind 7 to 11 mph.
Wednesday
Patchy fog before 8am. Otherwise, sunny, with a high near 87. Light east wind increasing to 6 to 11 mph in the morning.
Wednesday Night
Partly cloudy, with a low around 72. Southeast wind 5 to 7 mph becoming calm after midnight.
Thursday
Sunny, with a high near 89. Light and variable wind becoming east 8 to 13 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 74. South wind 5 to 9 mph, with gusts as high as 15 mph.
Friday
Sunny, with a high near 90.
Friday Night
Partly cloudy, with a low around 76.
Saturday
A 20 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 89.
Saturday Night
A 10 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 77.
Sunday
A 30 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 88.
Sunday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 76.
Memorial Day
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88. Breezy.
Monday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 76.
Tuesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90. Breezy.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Saint Augustine South FL
 29.83°N 81.31°W
Last Update:
7:41 pm EDT May 19, 2026
Forecast Valid:
10pm EDT May 19, 2026-6pm EDT May 26, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation