St. Lucie County International Airport Weather Forecast

    • 61
    • 83

    Partly Sunny

    • 64
    • 79

    Partly Sunny

    • 65
    • 78

    Partly Sunny

    • 65
    • 77

    Partly Sunny

    • 63
    • 76

    Mostly Sunny

    • 62
    • 77

    Mostly Sunny

    • 61
    • 77

    Mostly Sunny

Today 19 Dec Coastal St. Lucie

Partly sunny. Highs in the lower 80s. Northwest Winds 5 to 10 Mph.

Tonight 19 Dec Coastal St. Lucie

Partly cloudy. Lows in the mid 60s. Northwest Winds 5 to 10 Mph becoming north 10 to 15 Mph after midnight.

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St. Lucie County International Airport Temperature Statistics

December Temperature

Fort Pierce, St. Lucie County International Airport (0 miles)

  • Lowest 12 December, 2025

    44.1 °F

  • Average December

    67.9 °F

  • Highest 5 December, 2025

    84 °F

Climate (2020–Present)

Fort Pierce, St. Lucie County International Airport (0 miles)

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  • Average Low 2020–2025

    65.9 °F

  • Average 2020–2025

    74.6 °F

  • Average High 2020–2025

    83.5 °F
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