Port St Lucie Weather Forecast

    • 61
    • 82

    Thunderstorms Likely

    • 61
    • 81

    Mostly Sunny

    • 63
    • 79

    Mostly Sunny

    • 65
    • 78

    Mostly Cloudy

    • 66
    • 81

    Mostly Cloudy

    • 64
    • 82

    Chance Rain Showers

    • 64
    • 85

    Slight Chance Rain Showers

Today 25 Mar Coastal St. Lucie

Partly cloudy early in the afternoon then becoming mostly cloudy. A chance of Thunderstorms. A chance of Showers early in the Afternoon, then Showers likely late in the afternoon and towards Sunset. Highs in the upper 70s. Northeast Winds 10 to 15 Mph becoming east 5 to 10 Mph late in the afternoon and towards Sunset. Chance of rain 70 percent.

Tonight 25 Mar Coastal St. Lucie

Partly cloudy. A chance of Showers and Thunderstorms in the late evening and early morning. Lows in the lower 60s. South Winds 5 to 10 Mph becoming northwest late. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

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Port St Lucie Temperature Statistics

March Temperature

Witham Field Airport (9.9 miles)

  • Lowest 7 March, 2025

    50 °F
  • Average March

    66.8 °F
  • Highest 5 March, 2025

    87.8 °F

Climate (2020–Present)

Witham Field Airport (9.9 miles)

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  • Average Low 2020–2025

    69.4 °F
  • Average 2020–2025

    74.6 °F
  • Average High 2020–2025

    82.9 °F
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