O'Neil Weather Forecast

    • 78
    • 92

    Chance Thunderstorms

    • 78
    • 87

    Slight Chance Thunderstorms

    • 78
    • 86

    Chance Thunderstorms

    • 78
    • 85

    Chance Thunderstorms

    • 79
    • 86

    Chance Thunderstorms

    • 78
    • 87

    Chance Thunderstorms

Today 16 Jul Coastal Nassau

Partly sunny. A chance of Showers and Thunderstorms this afternoon. Highs in the lower 90s. West Winds 5 to 10 Mph, becoming north this afternoon. Chance of rain 40 percent. Heat index Values up to 105.

Tonight 16 Jul Coastal Nassau

Mostly cloudy with a chance of Showers and Thunderstorms in the Evening, then mostly clear after midnight. Lows in the upper 70s. Southwest Winds 5 to 10 Mph, becoming west after midnight. Chance of rain 30 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

O'Neil Temperature Statistics

July Temperature

Fernandina Beach Municipal Airport (3.1 miles)

  • Lowest 13 July, 2026

    71.6 °F

  • Average July

    82.9 °F

  • Highest 6 July, 2026

    95 °F

Climate (2021–2026)

Fernandina Beach Municipal Airport (3.1 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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