St. Marys River Entrance Weather Forecast

    • 79
    • 96

    Slight Chance Thunderstorms

    • 80
    • 95

    Chance Thunderstorms

    • 76
    • 91

    Thunderstorms

    • 77
    • 84

    Thunderstorms

    • 78
    • 87

    Rain Showers

    • 78
    • 88

    Thunderstorms Likely

Today 31 Jul Coastal Camden

Mostly sunny. A slight chance of Showers and Thunderstorms. Highs in the upper 90s. West Winds around 10 Mph, becoming southwest. Chance of rain 20 percent. Heat index Values up to 111.

Tonight 31 Jul Coastal Camden

Partly cloudy. A slight chance of Showers and Thunderstorms in the evening. Lows in the upper 70s. South Winds 10 to 15 Mph, becoming southwest 5 to 10 Mph after midnight. Chance of rain 20 percent. Heat index Values up to 107 early in the evening.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

St. Marys River Entrance Temperature Statistics

July Temperature

Fernandina Beach Municipal Airport (8.1 miles)

  • Lowest 1 July, 2025

    73.4 °F

  • Average July

    82.4 °F

  • Highest 20 July, 2025

    98.6 °F

Climate (2020–Present)

Fernandina Beach Municipal Airport (8.1 miles)

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

  • Average Low 2020–2025

    62.3 °F

  • Average 2020–2025

    69.6 °F

  • Average High 2020–2025

    77.7 °F
Get WillyWeather+ to remove ads