Port St Lucie - River Park Weather Forecast

    • 57
    • 77

    Mostly Sunny

    • 56
    • 78

    Mostly Sunny

    • 55
    • 78

    Mostly Sunny

    • 56
    • 79

    Sunny

    • 57
    • 79

    Mostly Sunny

    • 54
    • 80

    Mostly Sunny

    • 45
    • 69

    Mostly Sunny

Today 24 Dec Coastal St. Lucie

Mostly sunny. Highs in the mid 70s. North Winds 10 to 15 Mph.

Tonight 24 Dec Coastal St. Lucie

Clear in the evening then becoming mostly clear. Patchy fog after midnight. Lows in the lower 60s. North Winds 5 to 10 Mph.

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Port St Lucie - River Park Temperature Statistics

December Temperature

Witham Field Airport (11.8 miles)

  • Lowest 12 December, 2025

    51.8 °F

  • Average December

    70.3 °F

  • Highest 5 December, 2025

    86 °F

Climate (2020–Present)

Witham Field Airport (11.8 miles)

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  • Average Low 2020–2025

    69.4 °F

  • Average 2020–2025

    74.5 °F

  • Average High 2020–2025

    83 °F
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