Hutchinson Island South Weather Forecast

    • 78
    • 89

    Chance Thunderstorms

    • 78
    • 91

    Thunderstorms Likely

    • 77
    • 90

    Thunderstorms Likely

    • 78
    • 89

    Thunderstorms Likely

    • 77
    • 89

    Thunderstorms Likely

    • 78
    • 89

    Thunderstorms Likely

Today 20 Aug Coastal St. Lucie

Mostly sunny late in the morning then becoming partly sunny. A chance of Showers and Thunderstorms. Highs in the lower 90s. Northwest Winds 10 to 15 Mph. Chance of rain 50 percent. Heat index Values up to 105.

Tonight 20 Aug Coastal St. Lucie

Mostly clear. A slight chance of Showers and Thunderstorms in the late evening and early morning. Lows in the mid 70s. West Winds 5 to 10 Mph. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

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Hutchinson Island South Temperature Statistics

August Temperature

Witham Field Airport (6.8 miles)

  • Lowest 11 August, 2025

    73.4 °F

  • Average August

    82.6 °F

  • Highest 1 August, 2025

    93.2 °F

Climate (2020–Present)

Witham Field Airport (6.8 miles)

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  • Average Low 2020–2025

    69.4 °F

  • Average 2020–2025

    74.6 °F

  • Average High 2020–2025

    82.9 °F
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