Hutchinson Island South Weather Forecast

    • 78
    • 90

    Chance Thunderstorms

    • 78
    • 89

    Chance Thunderstorms

    • 78
    • 89

    Thunderstorms Likely

    • 77
    • 89

    Chance Thunderstorms

    • 77
    • 89

    Chance Thunderstorms

    • 78
    • 89

    Chance Thunderstorms

Today 19 Aug Coastal St. Lucie

Partly sunny. A slight chance of afternoon Showers and Thunderstorms, then a chance of Showers and Thunderstorms late in the afternoon and towards Sunset. Highs in the lower 90s. Northeast Winds 5 to 10 Mph becoming east late in the afternoon and towards Sunset. Chance of rain 50 percent. Heat index Values up to 108.

Tonight 19 Aug Coastal St. Lucie

Partly cloudy. Lows in the upper 70s. Southwest Winds around 5 Mph becoming west after midnight.

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Hutchinson Island South Temperature Statistics

August Temperature

Witham Field Airport (6.8 miles)

  • Lowest 5 August, 2026

    75.2 °F

  • Average August

    82.5 °F

  • Highest 17 August, 2026

    96.8 °F

Climate (2021–2026)

Witham Field Airport (6.8 miles)

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  • Average Low 2021–2026

    69.4 °F

  • Average 2021–2026

    74.6 °F

  • Average High 2021–2026

    83 °F
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