O'Neil Weather Forecast

    • 74
    • 82

    Thunderstorms

    • 75
    • 81

    Rain Showers Likely

    • 72
    • 79

    Rain Showers

    • 71
    • 74

    Partly Sunny

    • 71
    • 75

    Mostly Sunny

    • 72
    • 76

    Partly Sunny

    • 73
    • 77

    Partly Sunny

Today 31 May Coastal Nassau

Showers with Thunderstorms likely. Highs in the lower 80s. East Winds around 5 Mph. Chance of rain 80 percent.

Tonight 31 May Coastal Nassau

Mostly cloudy. Showers with Thunderstorms likely in the Evening, then a chance of Showers and Thunderstorms after midnight. Lows in the lower 70s. Southeast Winds around 5 Mph, becoming southwest after midnight. Chance of rain 80 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

O'Neil Temperature Statistics

May Temperature

Fernandina Beach Municipal Airport (3.1 miles)

  • Lowest 4 May, 2026

    55.4 °F

  • Average May

    75.6 °F

  • Highest 28 May, 2026

    89.6 °F

Climate (2021–Present)

Fernandina Beach Municipal Airport (3.1 miles)

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  • Average Low 2021–2026

    62.7 °F

  • Average 2021–2026

    70.1 °F

  • Average High 2021–2026

    78.2 °F
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