Nassau River - Back River Weather Forecast

    • 60
    • 81

    Increasing Clouds

    • 35
    • 69

    Rain Showers Likely

    • 31
    • 52

    Sunny

    • 36
    • 55

    Mostly Sunny

    • 47
    • 67

    Partly Sunny

    • 55
    • 74

    Partly Sunny

Today 21 Feb Coastal Duval

Partly sunny this Morning, then clearing. Patchy fog this morning. Highs in the mid 80s. Southwest Winds 10 to 15 Mph.

Tonight 21 Feb Coastal Duval

Partly cloudy in the Evening, then mostly cloudy with a chance of Showers after midnight. Lows in the lower 60s. Southwest Winds around 10 Mph. Chance of rain 40 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Nassau River - Back River Temperature Statistics

February Temperature

Fernandina Beach Municipal Airport (4.3 miles)

  • Lowest 1 February, 2026

    23 °F

  • Average February

    52.2 °F

  • Highest 10 February, 2026

    77 °F

Climate (2021–Present)

Fernandina Beach Municipal Airport (4.3 miles)

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  • Average Low 2021–2026

    62.6 °F

  • Average 2021–2026

    70 °F

  • Average High 2021–2026

    78.1 °F
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