St Marys Weather Forecast

    • 73
    • 86

    Chance Thunderstorms

    • 72
    • 87

    Rain Showers Likely

    • 68
    • 82

    Chance Thunderstorms

    • 66
    • 80

    Slight Chance Thunderstorms

    • 66
    • 81

    Slight Chance Thunderstorms

Today 22 Sep Coastal Camden

Mostly sunny with a chance of Showers. A slight chance of Thunderstorms in the Morning, then a chance of Thunderstorms in the afternoon. Highs in the mid 80s. North Winds 5 to 10 Mph, becoming northeast in the afternoon. Chance of rain 50 percent.

Tonight 22 Sep Coastal Camden

Partly cloudy. A slight chance of Showers after midnight. Lows in the lower 70s. East Winds around 5 Mph, becoming north after midnight. Chance of rain 20 percent.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

St Marys Temperature Statistics

September Temperature

Fernandina Beach Municipal Airport (11.8 miles)

  • Lowest 12 September, 2026

    71.6 °F

  • Average September

    81.5 °F

  • Highest 13 September, 2026

    91.4 °F

Climate (2021–2026)

Fernandina Beach Municipal Airport (11.8 miles)

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

  • Average Low 2021–2026

    62.8 °F

  • Average 2021–2026

    70.1 °F

  • Average High 2021–2026

    78.3 °F
Get WillyWeather+ to remove ads