St Lucie River Entrance Weather Forecast

    • 74
    • 85

    Thunderstorms Likely

    • 75
    • 87

    Thunderstorms Likely

    • 75
    • 88

    Thunderstorms Likely

    • 74
    • 88

    Thunderstorms Likely

    • 75
    • 89

    Chance Thunderstorms

    • 75
    • 90

    Chance Thunderstorms

Today 18 Sep Coastal Martin

Mostly cloudy with Showers and Thunderstorms likely. Highs in the mid 80s. Northeast Winds 10 to 15 Mph. Chance of rain 70 percent.

Tonight 18 Sep Coastal Martin

Partly cloudy with a chance of Showers and Thunderstorms. Lows in the mid 70s. East Winds 5 to 10 Mph becoming northeast around 5 Mph after midnight. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

St Lucie River Entrance Temperature Statistics

September Temperature

Witham Field Airport (1.9 miles)

  • Lowest 14 September, 2025

    73.4 °F

  • Average September

    80 °F

  • Highest 7 September, 2025

    91.4 °F

Climate (2020–Present)

Witham Field Airport (1.9 miles)

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  • Average Low 2020–2025

    69.4 °F

  • Average 2020–2025

    74.6 °F

  • Average High 2020–2025

    83 °F
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