St Mary's River - Crandall Weather Forecast

    • 74
    • 93

    Rain Showers Likely

    • 75
    • 95

    Partly Sunny

    • 75
    • 95

    Slight Chance Thunderstorms

    • 74
    • 94

    Chance Thunderstorms

    • 74
    • 94

    Chance Thunderstorms

    • 75
    • 93

    Chance Thunderstorms

Today 22 Aug Coastal Nassau

Partly sunny. A chance of Showers and Thunderstorms in the afternoon. Highs in the lower 90s. Southwest Winds 5 to 10 Mph. Chance of rain 50 percent. Heat index Values up to 105.

Tonight 22 Aug Coastal Nassau

Partly cloudy. Lows in the mid 70s. Southwest Winds around 5 Mph.

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St Mary's River - Crandall Temperature Statistics

August Temperature

Fernandina Beach Municipal Airport (11.8 miles)

  • Lowest 8 August, 2026

    73.4 °F

  • Average August

    82.2 °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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