Nassau River Entrance Weather Forecast

    • 78
    • 91

    Thunderstorms Likely

    • 79
    • 86

    Slight Chance Thunderstorms

    • 80
    • 89

    Mostly Sunny

    • 79
    • 95

    Chance Thunderstorms

    • 77
    • 90

    Thunderstorms Likely

    • 77
    • 88

    Chance Thunderstorms

Today 26 Jul Coastal Duval

Partly sunny. Showers and Thunderstorms likely in the afternoon. Highs in the mid 90s. West Winds 5 to 10 Mph. Chance of rain 70 percent. Heat index Values up to 108.

Tonight 26 Jul Coastal Duval

Mostly cloudy. Lows in the mid 70s. West Winds around 5 Mph.

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  • Temperature Real-Time

Nassau River Entrance Temperature Statistics

July Temperature

Fernandina Beach Municipal Airport (6.2 miles)

  • Lowest 13 July, 2026

    71.6 °F

  • Average July

    83.2 °F

  • Highest 6 July, 2026

    95 °F

Climate (2021–2026)

Fernandina Beach Municipal Airport (6.2 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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