Fort Pierce Inlet Weather Forecast

    • 77
    • 85

    Chance Rain Showers

    • 76
    • 83

    Rain Showers Likely

    • 77
    • 83

    Rain Showers Likely

    • 77
    • 84

    Rain Showers Likely

    • 77
    • 85

    Rain Showers Likely

    • 78
    • 85

    Rain Showers Likely

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    • 86

    Rain Showers Likely

Today 16 Sep Coastal St. Lucie

Partly sunny. A slight chance of Showers and Thunderstorms early in the Afternoon, then a chance of Showers and Thunderstorms late in the afternoon and towards Sunset. Highs in the upper 80s. East Winds 5 to 10 Mph. Chance of rain 30 percent.

Tonight 16 Sep Coastal St. Lucie

Partly cloudy. A slight chance of Showers and Thunderstorms early in the Evening, then a chance of Showers and Thunderstorms in the late evening and overnight. Lows in the mid 70s. East Winds 5 to 10 Mph. Chance of rain 40 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Fort Pierce Inlet Temperature Statistics

September Temperature

Fort Pierce, St. Lucie County International Airport (5.6 miles)

  • Lowest 14 September, 2025

    71.1 °F

  • Average September

    79.5 °F

  • Highest 2 September, 2025

    89.1 °F

Climate (2020–Present)

Fort Pierce, St. Lucie County International Airport (5.6 miles)

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  • Average Low 2020–2025

    66.1 °F

  • Average 2020–2025

    74.7 °F

  • Average High 2020–2025

    83.5 °F
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