St Marys Weather Forecast

    • 77
    • 95

    Chance Thunderstorms

    • 77
    • 96

    Chance Thunderstorms

    • 77
    • 96

    Chance Thunderstorms

    • 76
    • 95

    Chance Thunderstorms

    • 75
    • 94

    Chance Thunderstorms

    • 75
    • 93

    Chance Thunderstorms

Today 17 Aug Coastal Camden

Partly sunny with a chance of Showers and Thunderstorms. Highs in the mid 90s. Southwest Winds around 10 Mph. Chance of rain 40 percent. Heat index Values up to 111.

Tonight 17 Aug Coastal Camden

Partly cloudy. A slight chance of Showers and Thunderstorms in the evening. Lows in the upper 70s. Southwest Winds 5 to 10 Mph. Chance of rain 20 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

    80.4 °F

  • Highest 1 August, 2026

    91.4 °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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