William P Gwinn Airport Weather Forecast

    • 74
    • 84

    Thunderstorms

    • 75
    • 88

    Chance Thunderstorms

    • 75
    • 89

    Chance Thunderstorms

    • 74
    • 89

    Chance Thunderstorms

    • 75
    • 91

    Chance Thunderstorms

    • 75
    • 91

    Chance Thunderstorms

Today 18 Sep Inland Palm Beach County

Showers likely. A chance of Thunderstorms this Morning, then Thunderstorms likely this afternoon. Highs in the mid 80s. Northeast Winds 5 to 10 Mph. Chance of rain 70 percent.

Tonight 18 Sep Inland Palm Beach County

Mostly cloudy in the Evening, then becoming partly cloudy. A chance of Showers and Thunderstorms. Lows in the lower 70s. Northeast Winds 5 to 10 Mph. Chance of rain 50 percent.

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William P Gwinn Airport Temperature Statistics

September Temperature

Witham Field Airport (19.9 miles)

  • Lowest 14 September, 2025

    73.4 °F

  • Average September

    80 °F

  • Highest 7 September, 2025

    91.4 °F

Climate (2020–Present)

Witham Field Airport (19.9 miles)

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  • Average Low 2020–2025

    69.4 °F

  • Average 2020–2025

    74.6 °F

  • Average High 2020–2025

    83 °F
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