Fort Pierce Inlet Weather Forecast

    • 70
    • 77

    Partly Sunny

    • 70
    • 76

    Partly Sunny

    • 66
    • 75

    Partly Sunny

    • 66
    • 76

    Partly Sunny

    • 62
    • 76

    Partly Sunny

    • 61
    • 76

    Mostly Sunny

Today 21 Dec Coastal St. Lucie

Partly cloudy with a slight chance of Showers. Highs in the upper 70s. Northeast Winds 5 to 10 Mph. Chance of rain 20 percent.

Tonight 21 Dec Coastal St. Lucie

Partly cloudy. A slight chance of evening Showers. Lows in the upper 60s. Northeast Winds 5 to 10 Mph increasing to 10 to 15 Mph after midnight. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Fort Pierce Inlet Temperature Statistics

December Temperature

Fort Pierce, St. Lucie County International Airport (5.6 miles)

  • Lowest 12 December, 2025

    44.1 °F

  • Average December

    68.5 °F

  • Highest 5 December, 2025

    84 °F

Climate (2020–Present)

Fort Pierce, St. Lucie County International Airport (5.6 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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