Amelia Island Weather Forecast

    • 77
    • 90

    Chance Rain Showers

    • 76
    • 94

    Chance Thunderstorms

    • 76
    • 90

    Thunderstorms

    • 75
    • 89

    Rain Showers

    • 75
    • 89

    Thunderstorms Likely

    • 76
    • 92

    Chance Thunderstorms

Today 20 Aug Coastal Nassau

Mostly sunny. A slight chance of Showers late this Morning, then a chance of Showers with a slight chance of Thunderstorms this afternoon. Highs in the lower 90s. North Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 30 percent.

Tonight 20 Aug Coastal Nassau

Mostly clear. A slight chance of Showers and Thunderstorms in the evening. Lows in the mid 70s. North Winds 5 to 10 Mph, becoming west after midnight. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Amelia Island Temperature Statistics

August Temperature

Fernandina Beach Municipal Airport (1.9 miles)

  • Lowest 3 August, 2025

    73.4 °F

  • Average August

    82 °F

  • Highest 1 August, 2025

    96.8 °F

Climate (2020–Present)

Fernandina Beach Municipal Airport (1.9 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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