Round Island Oceanfront Park Weather Forecast

    • 77
    • 88

    Chance Thunderstorms

    • 76
    • 89

    Thunderstorms Likely

    • 75
    • 89

    Thunderstorms Likely

    • 77
    • 89

    Thunderstorms

    • 77
    • 86

    Thunderstorms

    • 77
    • 85

    Thunderstorms Likely

Today 3 Sep Coastal Indian River

Considerable cloudiness with Showers and Thunderstorms likely. Highs in the upper 80s. Southeast Winds 5 to 10 Mph increasing to 10 to 15 Mph late in the afternoon and towards Sunset. Chance of rain 60 percent. Heat index Values up to 101.

Tonight 3 Sep Coastal Indian River

Partly cloudy. A chance of Showers and Thunderstorms in the late evening and early Morning, then a slight chance of Showers and Thunderstorms after midnight. Lows in the upper 70s. Southeast Winds 5 to 10 Mph. Chance of rain 30 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Round Island Oceanfront Park Temperature Statistics

September Temperature

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

  • Lowest 1 September, 2026

    75.9 °F

  • Average September

    80.8 °F

  • Highest 1 September, 2026

    88 °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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