Jupiter Sound - South End Weather Forecast

    • 81
    • 88

    Chance Thunderstorms

    • 81
    • 88

    Thunderstorms Likely

    • 80
    • 88

    Thunderstorms Likely

    • 80
    • 88

    Thunderstorms

    • 80
    • 88

    Thunderstorms Likely

    • 81
    • 88

    Chance Thunderstorms

Today 9 Sep Coastal Palm Beach County

Mostly sunny with a chance of Showers. A slight chance of Thunderstorms this Morning, then a chance of Thunderstorms this afternoon. Highs around 90. East Winds 5 to 10 Mph. Chance of rain 40 percent. Heat index Values up to 105.

Tonight 9 Sep Coastal Palm Beach County

Partly cloudy. A chance of Showers and Thunderstorms, mainly in the evening. Humid with Lows in the lower 80s. East Winds 10 to 15 Mph. Chance of rain 40 percent.

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Jupiter Sound - South End Temperature Statistics

September Temperature

Witham Field Airport (18 miles)

  • Lowest 7 September, 2026

    73.4 °F

  • Average September

    80.9 °F

  • Highest 5 September, 2026

    93.2 °F

Climate (2021–2026)

Witham Field Airport (18 miles)

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  • Average Low 2021–2026

    69.4 °F

  • Average 2021–2026

    74.6 °F

  • Average High 2021–2026

    83.1 °F
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