Nassau Sound - Simpson Creek Entrance Weather Forecast

    • 50
    • 79

    Slight Chance Thunderstorms

    • 37
    • 58

    Breezy

    • 44
    • 54

    Sunny

    • 51
    • 66

    Mostly Sunny

    • 55
    • 71

    Sunny

    • 57
    • 70

    Sunny

Today 9 Nov Coastal Duval

Mostly cloudy this Morning, then mostly sunny with a slight chance of Showers and Thunderstorms this afternoon. Highs in the mid 80s. Southwest Winds 5 to 10 Mph. Chance of rain 20 percent.

Tonight 9 Nov Coastal Duval

Mostly cloudy. A slight chance of Showers and Thunderstorms in the evening. Much cooler with Lows around 50. Southwest Winds 10 to 15 Mph, becoming northwest 15 to 20 Mph after midnight. Chance of rain 20 percent.

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Nassau Sound - Simpson Creek Entrance Temperature Statistics

November Temperature

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

  • Lowest 1 November, 2025

    52 °F

  • Average November

    65.1 °F

  • Highest 5 November, 2025

    75 °F

Climate (2020–Present)

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

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  • Average Low 2020–2025

    65.7 °F

  • Average 2020–2025

    72.7 °F

  • Average High 2020–2025

    80.1 °F
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