Nassau Sound - Simpson Creek Entrance Weather Forecast

    • 63
    • 80

    Chance Rain Showers

    • 59
    • 61

    Rain Showers Likely

    • 60
    • 68

    Rain Showers Likely

    • 60
    • 71

    Mostly Sunny

    • 61
    • 77

    Mostly Sunny

    • 58
    • 69

    Breezy

    • 59
    • 66

    Partly Sunny

Today 23 Mar Coastal Duval

Sunny. Highs in the upper 80s. West Winds around 15 Mph with Gusts up to 25 Mph.

Tonight 23 Mar Coastal Duval

Clear this Evening, then mostly cloudy with a slight chance of Showers after midnight. Lows in the lower 60s. Southwest Winds around 10 Mph with Gusts up to 20 Mph, becoming northwest 15 to 20 Mph with Gusts up to 30 Mph after midnight. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Nassau Sound - Simpson Creek Entrance Temperature Statistics

March Temperature

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

  • Lowest 18 March, 2026

    44.1 °F

  • Average March

    64.5 °F

  • Highest 21 March, 2026

    82.9 °F

Climate (2021–Present)

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

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  • Average Low 2021–2026

    65.5 °F

  • Average 2021–2026

    72.6 °F

  • Average High 2021–2026

    80 °F
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