St Lucie West Weather Forecast

    • 74
    • 87

    Thunderstorms Likely

    • 74
    • 88

    Chance Thunderstorms

    • 70
    • 86

    Slight Chance Thunderstorms

    • 68
    • 85

    Mostly Sunny

    • 68
    • 85

    Slight Chance Thunderstorms

    • 69
    • 86

    Chance Rain Showers

Today 23 Sep Inland St. Lucie

Partly cloudy late in the morning then considerable cloudiness. Showers and Thunderstorms likely. Highs in the upper 80s. South Winds around 5 Mph becoming northeast late in the afternoon and towards Sunset. Chance of rain 70 percent.

Tonight 23 Sep Inland St. Lucie

Partly cloudy. A slight chance of Showers and Thunderstorms in the late evening and early morning. Lows in the lower 70s. Light and variable Winds becoming northwest around 5 Mph after midnight. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

St Lucie West Temperature Statistics

September Temperature

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

  • Lowest 19 September, 2026

    71.7 °F

  • Average September

    82.1 °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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