Nassau Sound Weather Forecast

    • 72
    • 75

    Partly Sunny

    • 71
    • 76

    Mostly Cloudy

    • 65
    • 74

    Chance Thunderstorms

    • 64
    • 68

    Slight Chance Rain Showers

    • 61
    • 72

    Breezy

    • 55
    • 68

    Breezy

Today 25 Oct Coastal Duval

Sunny in the Morning, then becoming partly sunny. Highs in the upper 70s. Northeast Winds 15 to 20 Mph.

Tonight 25 Oct Coastal Duval

Clear. Lows in the lower 60s. Northeast Winds 5 to 10 Mph with Gusts up to 20 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Nassau Sound Temperature Statistics

October Temperature

Mayport Naval Station - Adm David L. McDonald Field (6.8 miles)

  • Lowest 12 October, 2025

    62.1 °F

  • Average October

    74.2 °F

  • Highest 7 October, 2025

    84.9 °F

Climate (2020–Present)

Mayport Naval Station - Adm David L. McDonald Field (6.8 miles)

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  • Average Low 2020–2025

    65.8 °F

  • Average 2020–2025

    72.8 °F

  • Average High 2020–2025

    80.1 °F
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