Fernandina Beach Weather Forecast

    • 78
    • 89

    Chance Rain Showers

    • 77
    • 91

    Chance Thunderstorms

    • 77
    • 94

    Chance Thunderstorms

    • 76
    • 91

    Thunderstorms Likely

    • 76
    • 89

    Thunderstorms Likely

    • 75
    • 91

    Thunderstorms Likely

Today 19 Aug Coastal Nassau

Mostly sunny with a chance of Showers. Isolated Thunderstorms. Highs in the upper 80s. Northeast Winds 15 to 20 Mph with Gusts up to 30 Mph. Chance of rain 30 percent.

Tonight 19 Aug Coastal Nassau

Partly cloudy. A slight chance of Showers after midnight. Lows in the upper 70s. Northeast Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 20 percent.

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  • Temperature Real-Time

Fernandina Beach Temperature Statistics

August Temperature

Fernandina Beach Municipal Airport (3.7 miles)

  • Lowest 3 August, 2025

    73.4 °F

  • Average August

    82.1 °F

  • Highest 1 August, 2025

    96.8 °F

Climate (2020–Present)

Fernandina Beach Municipal Airport (3.7 miles)

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  • Average Low 2020–2025

    62.3 °F

  • Average 2020–2025

    69.6 °F

  • Average High 2020–2025

    77.7 °F
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