Round Island Oceanfront Park Weather Forecast

    • 77
    • 86

    Chance Thunderstorms

    • 77
    • 86

    Chance Rain Showers

    • 76
    • 86

    Mostly Sunny

    • 78
    • 86

    Slight Chance Thunderstorms

    • 79
    • 85

    Chance Thunderstorms

    • 79
    • 87

    Chance Thunderstorms

Today 18 May Coastal Indian River

Partly sunny with a slight chance of Showers and Thunderstorms. Breezy. Highs in the mid 80s. East Winds 10 to 15 Mph increasing to 15 to 20 Mph late in the afternoon and towards Sunset. Chance of rain 20 percent.

Tonight 18 May Coastal Indian River

Partly cloudy with a slight chance of Showers. Lows in the upper 70s. East Winds 10 to 15 Mph decreasing to 5 to 10 Mph after midnight. Chance of rain 20 percent.

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Round Island Oceanfront Park Temperature Statistics

May Temperature

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

  • Lowest 7 May, 2026

    62.7 °F

  • Average May

    78.7 °F

  • Highest 2 May, 2026

    93.7 °F

Climate (2021–Present)

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

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  • Average Low 2021–2026

    65.8 °F

  • Average 2021–2026

    74.6 °F

  • Average High 2021–2026

    83.5 °F
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