St Lucie River Entrance Weather Forecast

    • 75
    • 88

    Chance Thunderstorms

    • 74
    • 88

    Rain Showers Likely

    • 74
    • 89

    Thunderstorms Likely

    • 73
    • 89

    Thunderstorms

    • 73
    • 90

    Rain Showers

    • 74
    • 90

    Rain Showers

Today 17 Sep Coastal Martin

Partly cloudy with a chance of Showers and Thunderstorms. Highs in the upper 80s. Northeast Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 50 percent.

Tonight 17 Sep Coastal Martin

Partly cloudy with a chance of Showers. A chance of Thunderstorms in the late evening and early Morning, then a slight chance of Thunderstorms after midnight. Lows in the upper 70s. Northeast Winds 5 to 10 Mph. Chance of rain 40 percent.

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St Lucie River Entrance Temperature Statistics

September Temperature

Witham Field Airport (1.9 miles)

  • Lowest 7 September, 2026

    73.4 °F

  • Average September

    81 °F

  • Highest 5 September, 2026

    93.2 °F

Climate (2021–2026)

Witham Field Airport (1.9 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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