St Lucie West Weather Forecast

    • 76
    • 88

    Rain Showers

    • 74
    • 88

    Rain Showers Likely

    • 73
    • 88

    Thunderstorms Likely

    • 73
    • 88

    Thunderstorms Likely

    • 72
    • 88

    Thunderstorms Likely

    • 73
    • 89

    Thunderstorms Likely

Today 16 Sep Inland St. Lucie

Partly cloudy with Showers likely and a chance of Thunderstorms. Breezy. Highs in the upper 80s. Northeast Winds 10 to 15 Mph increasing to 15 to 20 Mph late in the afternoon and towards Sunset. Chance of rain 70 percent. Heat index Values up to 101.

Tonight 16 Sep Inland St. Lucie

Partly cloudy. A chance of Showers and a slight chance of Thunderstorms in the late evening and early Morning, then a slight chance of Showers after midnight. Lows in the mid 70s. Northeast Winds 10 to 15 Mph decreasing to 5 to 10 Mph after midnight. Chance of rain 40 percent.

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St Lucie West Temperature Statistics

September Temperature

Fort Pierce, St. Lucie County International Airport (12.4 miles)

  • Lowest 14 September, 2026

    72 °F

  • Average September

    82.6 °F

  • Highest 5 September, 2026

    94.6 °F

Climate (2021–2026)

Fort Pierce, St. Lucie County International Airport (12.4 miles)

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  • Average Low 2021–2026

    65.9 °F

  • Average 2021–2026

    74.7 °F

  • Average High 2021–2026

    83.7 °F
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