Fort Clinch State Park Weather Forecast

    • 73
    • 82

    Partly Sunny

    • 72
    • 84

    Mostly Sunny

    • 73
    • 84

    Mostly Sunny

    • 73
    • 85

    Partly Sunny

    • 74
    • 86

    Slight Chance Thunderstorms

    • 75
    • 86

    Chance Thunderstorms

Today 17 May Coastal Nassau

Partly sunny. A slight chance of Showers and Thunderstorms this afternoon. Highs in the mid 80s. Southeast Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 20 percent.

Tonight 17 May Coastal Nassau

Mostly cloudy in the Evening, then becoming partly cloudy. Lows around 70. Southeast Winds 10 to 15 Mph.

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Fort Clinch State Park Temperature Statistics

May Temperature

Fernandina Beach Municipal Airport (5.6 miles)

  • Lowest 4 May, 2026

    55.4 °F

  • Average May

    72.2 °F

  • Highest 14 May, 2026

    87.8 °F

Climate (2021–Present)

Fernandina Beach Municipal Airport (5.6 miles)

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  • Average Low 2021–2026

    62.7 °F

  • Average 2021–2026

    70 °F

  • Average High 2021–2026

    78.2 °F
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