Nassau Sound Weather Forecast

    • 66
    • 77

    Rain Showers Likely

    • 41
    • 76

    Rain Showers

    • 45
    • 51

    Partly Sunny

    • 53
    • 57

    Partly Sunny

    • 52
    • 60

    Mostly Sunny

    • 56
    • 65

    Mostly Sunny

Today 15 Mar Coastal Duval

Partly sunny. Patchy fog late this morning. A chance of Showers and Thunderstorms this afternoon. Not as cool with Highs in the mid 80s. South Winds 10 to 15 Mph. Chance of rain 50 percent.

Tonight 15 Mar Coastal Duval

Mostly cloudy. Showers and Thunderstorms Likely, mainly in the evening. Some Thunderstorms may produce gusty Winds, small Hail, and heavy rainfall in the evening. Lows in the upper 60s. South Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 70 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Nassau Sound Temperature Statistics

March Temperature

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

  • Lowest 2 March, 2026

    51.1 °F

  • Average March

    65.7 °F

  • Highest 10 March, 2026

    82 °F

Climate (2021–Present)

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

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  • Average Low 2021–2026

    65.6 °F

  • Average 2021–2026

    72.6 °F

  • Average High 2021–2026

    80 °F
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