Saint Lucie Inlet Weather Forecast

    • 79
    • 90

    Chance Thunderstorms

    • 79
    • 90

    Slight Chance Thunderstorms

    • 80
    • 90

    Chance Thunderstorms

    • 79
    • 89

    Rain Showers Likely

    • 79
    • 89

    Thunderstorms Likely

    • 80
    • 89

    Chance Thunderstorms

Today 23 Aug Coastal Martin

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. Southeast Winds 5 to 10 Mph. Chance of rain 50 percent. Heat index Values up to 106.

Tonight 23 Aug Coastal Martin

Partly cloudy. Lows in the upper 70s. Southwest Winds 5 to 10 Mph.

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Saint Lucie Inlet Temperature Statistics

August Temperature

Witham Field Airport (4.3 miles)

  • Lowest 5 August, 2026

    75.2 °F

  • Average August

    82.6 °F

  • Highest 17 August, 2026

    96.8 °F

Climate (2021–2026)

Witham Field Airport (4.3 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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