Port St Lucie Weather Forecast

    • 75
    • 89

    Rain Showers Likely

    • 74
    • 90

    Rain Showers

    • 74
    • 90

    Rain Showers

    • 73
    • 89

    Rain Showers

    • 73
    • 89

    Rain Showers

    • 71
    • 88

    Chance Rain Showers

Today 21 Sep St. Lucie

Partly cloudy late in the morning then becoming mostly cloudy. A chance of Showers in the late morning and early afternoon. Scattered Thunderstorms. Showers likely in the afternoon. Highs in the upper 80s. East Winds 5 to 10 Mph. Chance of rain 70 percent.

Tonight 21 Sep St. Lucie

Partly cloudy. A chance of Showers and Thunderstorms through late Evening, then a slight chance of Showers and Thunderstorms after midnight. Lows in the mid 70s. Southeast Winds around 5 Mph becoming east after midnight. Chance of rain 40 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Port St Lucie Temperature Statistics

September Temperature

Witham Field Airport (9.9 miles)

  • Lowest 4 September, 2021

    73.4 °F
  • Average September

    79.6 °F
  • Highest 1 September, 2021

    91.4 °F

Climate (2010–Present)

Witham Field Airport (9.9 miles)

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  • Average Low 2010–Present

    69.4 °F
  • Average 2010–Present

    74.6 °F
  • Average High 2010–Present

    83.3 °F
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