Fernandina Beach Weather Forecast

    • 75
    • 89

    Chance Thunderstorms

    • 76
    • 88

    Chance Thunderstorms

    • 77
    • 88

    Chance Thunderstorms

    • 77
    • 88

    Rain Showers Likely

    • 76
    • 87

    Chance Thunderstorms

    • 76
    • 89

    Chance Thunderstorms

Today 4 Aug Coastal Nassau

Mostly sunny. A chance of Showers and Thunderstorms this afternoon. Highs around 90. Southwest Winds 5 to 10 Mph. Chance of rain 40 percent.

Tonight 4 Aug Coastal Nassau

Mostly cloudy with a chance of Showers and Thunderstorms in the Evening, then partly cloudy with a slight chance of Showers after midnight. Lows in the mid 70s. South Winds 5 to 10 Mph. Chance of rain 40 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Fernandina Beach Temperature Statistics

August Temperature

Fernandina Beach Municipal Airport (3.7 miles)

  • Lowest 1 August, 2026

    77 °F

  • Average August

    81.1 °F

  • Highest 1 August, 2026

    91.4 °F

Climate (2021–2026)

Fernandina Beach Municipal Airport (3.7 miles)

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  • Average Low 2021–2026

    62.8 °F

  • Average 2021–2026

    70.1 °F

  • Average High 2021–2026

    78.3 °F
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