Fort George Island - Sisters Creek Weather Forecast

    • 60
    • 81

    Mostly Sunny

    • 62
    • 83

    Mostly Sunny

    • 65
    • 88

    Mostly Sunny

    • 67
    • 89

    Mostly Cloudy

    • 63
    • 90

    Partly Sunny

    • 61
    • 72

    Mostly Cloudy

Today 15 Apr Coastal Duval

Patchy fog in the morning. Sunny. Highs in the lower 80s. South Winds around 5 Mph, becoming southeast in the afternoon.

Tonight 15 Apr Coastal Duval

Mostly clear. Lows in the upper 50s. South Winds around 5 Mph.

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Fort George Island - Sisters Creek Temperature Statistics

April Temperature

Mayport Naval Station - Adm David L. McDonald Field (1.9 miles)

  • Lowest 11 April, 2026

    57.9 °F

  • Average April

    68.4 °F

  • Highest 5 April, 2026

    82 °F

Climate (2021–Present)

Mayport Naval Station - Adm David L. McDonald Field (1.9 miles)

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  • Average Low 2021–2026

    65.6 °F

  • Average 2021–2026

    72.6 °F

  • Average High 2021–2026

    80 °F
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