Round Island Park West Weather Forecast

    • 71
    • 83

    Mostly Sunny

    • 70
    • 83

    Partly Sunny

    • 73
    • 84

    Partly Sunny

    • 75
    • 84

    Chance Thunderstorms

    • 77
    • 84

    Chance Thunderstorms

    • 78
    • 85

    Rain Showers Likely

Today 26 Sep Coastal Indian River

Partly sunny with a chance of Showers. A slight chance of Thunderstorms late in the Morning, then a chance of Thunderstorms late in the afternoon and towards Sunset. Highs in the upper 80s. Chance of rain 50 percent.

Tonight 26 Sep Coastal Indian River

Clear. Lows in the upper 60s. North Winds 10 to 15 Mph decreasing to 5 to 10 Mph in the late evening and early Morning, then becoming northwest late.

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Round Island Park West Temperature Statistics

September Temperature

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

  • Lowest 19 September, 2026

    71.7 °F

  • Average September

    82 °F

  • Highest 5 September, 2026

    94.6 °F

Climate (2021–2026)

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

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  • Average Low 2021–2026

    65.9 °F

  • Average 2021–2026

    74.7 °F

  • Average High 2021–2026

    83.7 °F
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