Round Island Park West Weather Forecast

    • 76
    • 88

    Rain Showers

    • 76
    • 89

    Thunderstorms Likely

    • 76
    • 90

    Thunderstorms Likely

    • 76
    • 90

    Rain Showers Likely

    • 77
    • 89

    Rain Showers Likely

    • 76
    • 89

    Rain Showers Likely

Today 4 Sep Coastal Indian River

Partly cloudy late in the morning then considerable cloudiness. A chance of Showers and Thunderstorms. Highs in the upper 80s. Northeast Winds 5 to 10 Mph becoming east late in the afternoon and towards Sunset. Chance of rain 50 percent.

Tonight 4 Sep Coastal Indian River

Partly cloudy with a chance of Showers and Thunderstorms. Lows in the upper 70s. South Winds around 5 Mph becoming west after midnight. Chance of rain 30 percent.

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Round Island Park West Temperature Statistics

September Temperature

Fort Pierce, St. Lucie County International Airport (5 miles)

  • Lowest 1 September, 2025

    75 °F

  • Average September

    80.6 °F

  • Highest 2 September, 2025

    89.1 °F

Climate (2020–Present)

Fort Pierce, St. Lucie County International Airport (5 miles)

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  • Average Low 2020–2025

    66.1 °F

  • Average 2020–2025

    74.7 °F

  • Average High 2020–2025

    83.5 °F
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