Saint Johns River - Sisters Creek Entrance Weather Forecast

    • 62
    • 86

    Decreasing Clouds

    • 57
    • 73

    Mostly Sunny

    • 60
    • 75

    Partly Sunny

    • 59
    • 77

    Partly Sunny

    • 61
    • 80

    Mostly Sunny

    • 63
    • 81

    Partly Sunny

Today 19 Apr Coastal Duval

Partly sunny. Highs in the upper 80s. West Winds 5 to 10 Mph, becoming northwest in the afternoon.

Tonight 19 Apr Coastal Duval

Mostly cloudy. Lows in the lower 60s. North Winds 15 to 20 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Saint Johns River - Sisters Creek Entrance Temperature Statistics

April Temperature

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

  • Lowest 11 April, 2026

    57.9 °F

  • Average April

    68.8 °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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