Saint Johns River - Sisters Creek Entrance Weather Forecast

    • 78
    • 90

    Mostly Sunny

    • 77
    • 88

    Slight Chance Thunderstorms

    • 77
    • 89

    Slight Chance Thunderstorms

    • 78
    • 90

    Chance Thunderstorms

    • 77
    • 92

    Chance Thunderstorms

    • 77
    • 91

    Chance Thunderstorms

Today 30 Jun Coastal Duval

Sunny. Highs around 90. Northeast Winds 10 to 15 Mph.

Tonight 30 Jun Coastal Duval

Mostly clear in the Evening, then becoming partly cloudy. Lows in the upper 70s. Northeast Winds 10 to 15 Mph, Diminishing to around 5 Mph after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Saint Johns River - Sisters Creek Entrance Temperature Statistics

June Temperature

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

  • Lowest 7 June, 2026

    71.1 °F

  • Average June

    80.5 °F

  • Highest 15 June, 2026

    93.9 °F

Climate (2021–2026)

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

    72.7 °F

  • Average High 2021–2026

    80 °F
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