Nassau River - Mesa Marsh Weather Forecast

    • 70
    • 94

    Chance Rain Showers

    • 70
    • 73

    Chance Rain Showers

    • 71
    • 75

    Rain Showers Likely

    • 71
    • 77

    Chance Thunderstorms

    • 67
    • 77

    Chance Thunderstorms

    • 67
    • 70

    Mostly Sunny

Today 7 May Coastal Nassau

Partly sunny. A slight chance of Showers and Thunderstorms this afternoon. Highs in the mid 90s. Southwest Winds 10 to 15 Mph. Chance of rain 20 percent.

Tonight 7 May Coastal Nassau

Mostly cloudy with a slight chance of Thunderstorms. A chance of Showers, mainly in the evening. Lows in the upper 60s. West Winds 10 to 15 Mph. Chance of rain 40 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Nassau River - Mesa Marsh Temperature Statistics

May Temperature

Fernandina Beach Municipal Airport (5 miles)

  • Lowest 4 May, 2026

    55.4 °F

  • Average May

    68.4 °F

  • Highest 1 May, 2026

    84.2 °F

Climate (2021–Present)

Fernandina Beach Municipal Airport (5 miles)

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  • Average Low 2021–2026

    62.7 °F

  • Average 2021–2026

    70 °F

  • Average High 2021–2026

    78.2 °F
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