St Mary's River - St Mary's Weather Forecast

    • 78
    • 95

    Slight Chance Thunderstorms

    • 80
    • 97

    Hot

    • 76
    • 96

    Thunderstorms Likely

    • 75
    • 93

    Thunderstorms Likely

    • 75
    • 92

    Chance Thunderstorms

    • 75
    • 91

    Thunderstorms Likely

Today 27 Jul Coastal Camden

Mostly sunny. A slight chance of Showers and Thunderstorms this afternoon. Highs in the mid 90s. Northwest Winds 5 to 10 Mph, becoming east this afternoon. Chance of rain 20 percent. Heat index Values up to 110.

Tonight 27 Jul Coastal Camden

Mostly cloudy. A slight chance of Showers and Thunderstorms in the evening. Lows in the upper 70s. Southeast Winds 5 to 10 Mph, becoming southwest after midnight. Chance of rain 20 percent. Heat index Values up to 106 early in the evening.

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St Mary's River - St Mary's Temperature Statistics

July Temperature

Fernandina Beach Municipal Airport (8.7 miles)

  • Lowest 13 July, 2026

    71.6 °F

  • Average July

    83.2 °F

  • Highest 6 July, 2026

    95 °F

Climate (2021–2026)

Fernandina Beach Municipal Airport (8.7 miles)

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  • Average Low 2021–2026

    62.8 °F

  • Average 2021–2026

    70.1 °F

  • Average High 2021–2026

    78.3 °F
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