Port St Lucie Weather Forecast

    • 75
    • 89

    Rain Showers Likely

    • 76
    • 87

    Thunderstorms Likely

    • 74
    • 87

    Chance Thunderstorms

    • 74
    • 88

    Partly Sunny

    • 73
    • 88

    Slight Chance Thunderstorms

    • 73
    • 88

    Partly Sunny

    • 73
    • 88

    Slight Chance Thunderstorms

Today 22 Sep St. Lucie

Mostly cloudy with a chance of Showers and a slight chance of Thunderstorms. Lows in the mid 70s. Except in the upper 70s along the coast. East Winds 5 to 10 Mph. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Port St Lucie Temperature Statistics

September Temperature

Stuart, Witham Field Airport (9.9 miles)

  • Lowest 18 September, 2017

    73.4 °F
  • Average September

    82.1 °F
  • Highest 1 September, 2017

    93.2 °F

Climate (2010–Present)

Stuart, Witham Field Airport (9.9 miles)

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  • Average Low 2010–Present

    68.6 °F
  • Average 2010–Present

    74.2 °F
  • Average High 2010–Present

    82.8 °F
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