Port St Lucie - River Park Weather Forecast

    • 70
    • 85

    Rain Showers

    • 70
    • 82

    Chance Thunderstorms

    • 68
    • 83

    Partly Sunny

    • 68
    • 82

    Mostly Sunny

    • 66
    • 82

    Mostly Sunny

    • 65
    • 81

    Chance Rain Showers

Today 17 Oct Coastal St. Lucie

Partly cloudy late in the morning. A chance of Thunderstorms. A chance of Showers late in the Morning, then Showers late in the afternoon and towards Sunset. Breezy. Highs in the mid 80s. Northwest Winds 5 to 10 Mph becoming north 15 to 20 Mph with Gusts up to 35 Mph late in the afternoon and towards Sunset. Chance of rain 80 percent.

Tonight 17 Oct Coastal St. Lucie

Considerable cloudiness with a chance of Thunderstorms. Showers likely in the late evening and early Morning, then a chance of Showers after midnight. Windy. Lows in the lower 70s. North Winds 20 to 25 Mph with Gusts up to 35 Mph. Chance of rain 70 percent.

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Port St Lucie - River Park Temperature Statistics

October Temperature

Witham Field Airport (11.8 miles)

  • Lowest 13 October, 2026

    69.8 °F

  • Average October

    80.4 °F

  • Highest 10 October, 2026

    93.2 °F

Climate (2021–2026)

Witham Field Airport (11.8 miles)

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  • Average Low 2021–2026

    69.4 °F

  • Average 2021–2026

    74.6 °F

  • Average High 2021–2026

    83.1 °F
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