St Marys Weather Forecast

    • 74
    • 96

    Thunderstorms Likely

    • 73
    • 91

    Thunderstorms Likely

    • 74
    • 90

    Thunderstorms Likely

    • 74
    • 91

    Rain Showers Likely

    • 74
    • 90

    Thunderstorms Likely

    • 74
    • 89

    Rain Showers Likely

    • 75
    • 87

    Chance Thunderstorms

Today 24 Aug Coastal Camden

Showers and Thunderstorms likely. Some Thunderstorms may produce gusty Winds and heavy rainfall. Highs in the mid 90s. South Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of rain 70 percent. Heat index Values up to 110.

Tonight 24 Aug Coastal Camden

Mostly cloudy. Showers and Thunderstorms Likely, mainly this evening. Some Thunderstorms may produce gusty Winds and heavy rainfall this evening. Lows in the mid 70s. South Winds 10 to 15 Mph, becoming southwest around 5 Mph after midnight. Chance of rain 70 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

St Marys Temperature Statistics

August Temperature

Fernandina Beach Municipal Airport (11.8 miles)

  • Lowest 8 August, 2026

    73.4 °F

  • Average August

    82 °F

  • Highest 17 August, 2026

    98.6 °F

Climate (2021–2026)

Fernandina Beach Municipal Airport (11.8 miles)

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  • Average Low 2021–2026

    62.7 °F

  • Average 2021–2026

    70.1 °F

  • Average High 2021–2026

    78.3 °F
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