Port St Lucie - River Park Weather Forecast

    • 64
    • 80

    Mostly Sunny

    • 69
    • 83

    Mostly Sunny

    • 63
    • 86

    Partly Sunny

    • 55
    • 76

    Slight Chance Rain Showers

    • 58
    • 75

    Mostly Sunny

    • 60
    • 78

    Mostly Sunny

Today 14 Mar Coastal St. Lucie

Mostly clear. Highs in the upper 70s. Northwest Winds around 5 Mph becoming northeast 5 to 10 Mph late in the Morning, then becoming east 10 to 15 Mph late in the afternoon and towards Sunset.

Tonight 14 Mar Coastal St. Lucie

Mostly clear. Lows in the upper 60s. Southeast Winds 5 to 10 Mph with Gusts up to 20 Mph.

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Port St Lucie - River Park Temperature Statistics

March Temperature

Witham Field Airport (11.8 miles)

  • Lowest 7 March, 2025

    50 °F

  • Average March

    67.5 °F

  • Highest 5 March, 2025

    87.8 °F

Climate (2020–Present)

Witham Field Airport (11.8 miles)

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  • Average Low 2020–2025

    69.5 °F

  • Average 2020–2025

    74.6 °F

  • Average High 2020–2025

    82.9 °F
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