Nassau Sound - Simpson Creek Entrance Weather Forecast

    • 76
    • 84

    Mostly Cloudy

    • 75
    • 85

    Partly Sunny

    • 76
    • 87

    Partly Sunny

    • 77
    • 89

    Chance Thunderstorms

    • 77
    • 90

    Chance Thunderstorms

    • 77
    • 88

    Thunderstorms Likely

Today 9 Jun Coastal Duval

Partly sunny. Highs in the mid 80s. East Winds 10 to 15 Mph.

Tonight 9 Jun Coastal Duval

Mostly cloudy. Lows in the mid 70s. East Winds 10 to 15 Mph, becoming southeast around 5 Mph after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Nassau Sound - Simpson Creek Entrance Temperature Statistics

June Temperature

Mayport Naval Station - Adm David L. McDonald Field (6.2 miles)

  • Lowest 6 June, 2026

    72 °F

  • Average June

    78.6 °F

  • Highest 2 June, 2026

    88 °F

Climate (2021–Present)

Mayport Naval Station - Adm David L. McDonald Field (6.2 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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