Port St Lucie Weather Forecast

    • 50
    • 77

    Slight Chance Rain Showers

    • 48
    • 71

    Mostly Sunny

    • 55
    • 74

    Partly Sunny

    • 61
    • 77

    Mostly Cloudy

    • 60
    • 78

    Slight Chance Rain Showers

    • 60
    • 74

    Slight Chance Rain Showers

Today 10 Dec Coastal St. Lucie

Considerable cloudiness early in the morning then becoming partly sunny. A slight chance of Sprinkles early in the morning. Highs in the mid 70s. Northwest Winds 5 to 10 Mph becoming west in the afternoon.

Tonight 10 Dec Coastal St. Lucie

Mostly clear. Lows in the mid 50s. West Winds 10 to 15 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Port St Lucie Temperature Statistics

December Temperature

Witham Field Airport (9.9 miles)

  • Lowest 4 December, 2025

    60.8 °F

  • Average December

    71.9 °F

  • Highest 5 December, 2025

    86 °F

Climate (2020–Present)

Witham Field Airport (9.9 miles)

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  • Average Low 2020–2025

    69.3 °F

  • Average 2020–2025

    74.5 °F

  • Average High 2020–2025

    82.9 °F
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