Amelia Island Weather Forecast

    • 76
    • 89

    Partly Sunny

    • 76
    • 86

    Chance Thunderstorms

    • 75
    • 85

    Rain Showers Likely

    • 75
    • 85

    Rain Showers Likely

    • 74
    • 84

    Rain Showers Likely

    • 74
    • 83

    Chance Thunderstorms

Today 19 Sep Coastal Nassau

Partly sunny. A slight chance of Showers and Thunderstorms in the afternoon. Highs in the upper 80s. North Winds 5 to 10 Mph, becoming east 10 to 15 Mph in the afternoon. Chance of rain 20 percent.

Tonight 19 Sep Coastal Nassau

Partly cloudy. A chance of Showers with a slight chance of Thunderstorms after midnight. Lows in the mid 70s. Southeast Winds 5 to 10 Mph. Chance of rain 40 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Amelia Island Temperature Statistics

September Temperature

Fernandina Beach Municipal Airport (1.9 miles)

  • Lowest 12 September, 2026

    71.6 °F

  • Average September

    81.6 °F

  • Highest 13 September, 2026

    91.4 °F

Climate (2021–2026)

Fernandina Beach Municipal Airport (1.9 miles)

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  • Average Low 2021–2026

    62.7 °F

  • Average 2021–2026

    70.1 °F

  • Average High 2021–2026

    78.3 °F
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