National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Localized Flooding through the Weekend followed by a Moderate Nor'easter and Tidal Flooding Next Week

Tropical moisture will fuel high chances for rain early this week along a stalling cold front. Several inches of rain are expected to fall through Tuesday that will increase the risk for localized flooding each day. A Moderately Strong Nor'easter will develop Tuesday and bring gusty winds, dangerous surf/rip currents, and potential for moderate tidal flooding. Read More >

Current conditions at

Northeast Florida Regional Airport (KSGJ)

Lat: 29.96°NLon: 81.34°WElev: 3ft.

Fair

78°F

26°C

Humidity 90%
Wind Speed SE 3 mph
Barometer 30.04 in (1017.1 mb)
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 5 Oct 1:56 am EDT
Extended Forecast for

Saint Augustine South FL

  • Overnight

    Overnight: A 20 percent chance of showers before 3am. Mostly cloudy, with a steady temperature around 78. Calm wind.

    Low: 78 °F

    Slight Chance
    Showers

  • Monday

    Monday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2pm. High near 79. Calm wind becoming northeast 5 to 7 mph in the morning. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 79 °F

    Chance
    T-storms then
    Showers

  • Monday Night

    Monday Night: Showers and thunderstorms, mainly before 2am, then showers likely and possibly a thunderstorm after 3am. Low around 72. Northeast wind 5 to 7 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.

    Low: 72 °F

    Showers then
    Showers
    Likely

  • Tuesday

    Tuesday: Showers and possibly a thunderstorm. High near 77. Northeast wind 7 to 14 mph, with gusts as high as 17 mph. Chance of precipitation is 100%.

    High: 77 °F

    Showers

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm. Steady temperature around 75. Breezy, with a northeast wind 13 to 16 mph, with gusts as high as 21 mph. Chance of precipitation is 80%.

    Low: 75 °F

    Showers and
    Breezy

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm. High near 78. Very windy. Chance of precipitation is 80%.

    High: 78 °F

    Showers and
    Very Windy

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 72. Windy.

    Low: 72 °F

    Chance
    T-storms and
    Windy

  • Thursday

    Thursday: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 81. Windy.

    High: 81 °F

    Chance
    Showers and
    Breezy then
    Chance
    T-storms and
    Windy

  • Thursday Night

    Thursday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 72. Breezy.

    Low: 72 °F

    Chance
    T-storms and
    Breezy

Detailed Forecast

Overnight
A 20 percent chance of showers before 3am. Mostly cloudy, with a steady temperature around 78. Calm wind.
Monday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2pm. High near 79. Calm wind becoming northeast 5 to 7 mph in the morning. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Monday Night
Showers and thunderstorms, mainly before 2am, then showers likely and possibly a thunderstorm after 3am. Low around 72. Northeast wind 5 to 7 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.
Tuesday
Showers and possibly a thunderstorm. High near 77. Northeast wind 7 to 14 mph, with gusts as high as 17 mph. Chance of precipitation is 100%.
Tuesday Night
Showers and possibly a thunderstorm. Steady temperature around 75. Breezy, with a northeast wind 13 to 16 mph, with gusts as high as 21 mph. Chance of precipitation is 80%.
Wednesday
Showers and possibly a thunderstorm. High near 78. Very windy. Chance of precipitation is 80%.
Wednesday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 72. Windy.
Thursday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 81. Windy.
Thursday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 72. Breezy.
Friday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 82. Breezy. Chance of precipitation is 70%.
Friday Night
Showers and thunderstorms likely. Cloudy, with a low around 72. Chance of precipitation is 60%.
Saturday
Showers and thunderstorms likely. Mostly cloudy, with a high near 82. Breezy. Chance of precipitation is 70%.
Saturday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 73. Chance of precipitation is 60%.
Sunday
Showers and thunderstorms likely. Partly sunny, with a high near 84. Chance of precipitation is 60%.
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ABOUT THIS FORECAST

 
Point Forecast:
Saint Augustine South FL
 29.85°N 81.31°W
Last Update:
7:51 pm EDT Oct 4, 2026
Forecast Valid:
2am EDT Oct 5, 2026-6pm EDT Oct 11, 2026
 
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