St. Augustine Weather Forecast

    • 76
    • 89

    Chance Rain Showers

    • 76
    • 87

    Thunderstorms Likely

    • 75
    • 84

    Rain Showers

    • 73
    • 83

    Rain Showers

    • 74
    • 85

    Rain Showers Likely

    • 74
    • 85

    Rain Showers Likely

Today 6 Sep Southeast Coastal St. Johns

Mostly sunny with a chance of Showers with a slight chance of Thunderstorms. Highs in the upper 80s. East Winds 10 to 15 Mph. Chance of rain 40 percent.

Tonight 6 Sep Southeast Coastal St. Johns

Mostly cloudy with a chance of Showers with a slight chance of Thunderstorms. Lows in the mid 70s. East Winds 5 to 10 Mph with Gusts up to 20 Mph, becoming south after midnight. Chance of rain 40 percent.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

St. Augustine Temperature Statistics

September Temperature

Northeast Florida Regional Airport (4.3 miles)

  • Lowest 4 September, 2025

    71.1 °F

  • Average September

    80 °F

  • Highest 4 September, 2025

    88 °F

Climate (2020–Present)

Northeast Florida Regional Airport (4.3 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2020–2025

    63.8 °F

  • Average 2020–2025

    70.8 °F

  • Average High 2020–2025

    78 °F
Get WillyWeather+ to remove ads