Fernandina Beach Weather Forecast

    • 77
    • 93

    Thunderstorms Likely

    • 77
    • 93

    Chance Thunderstorms

    • 78
    • 94

    Chance Thunderstorms

    • 77
    • 93

    Chance Thunderstorms

    • 77
    • 93

    Slight Chance Thunderstorms

    • 77
    • 92

    Slight Chance Thunderstorms

Today 11 Aug Coastal Nassau

Mostly sunny. Showers and Thunderstorms likely this afternoon. Highs in the mid 90s. West Winds 5 to 10 Mph. Chance of rain 60 percent. Heat index Values up to 108.

Tonight 11 Aug Coastal Nassau

Partly cloudy. A chance of Showers and Thunderstorms in the evening. Lows in the upper 70s. Southwest 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 8 August, 2026

    73.4 °F

  • Average August

    80.4 °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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