Round Island Oceanfront Park Weather Forecast

    • 76
    • 86

    Chance Thunderstorms

    • 72
    • 84

    Chance Rain Showers

    • 71
    • 83

    Partly Sunny

    • 73
    • 83

    Partly Sunny

    • 75
    • 83

    Slight Chance Thunderstorms

    • 75
    • 83

    Chance Thunderstorms

    • 76
    • 84

    Chance Thunderstorms

Today 24 Sep Coastal Indian River

Partly sunny. A chance of Showers and a slight chance of Thunderstorms late in the Morning, then Showers likely and a chance of Thunderstorms late in the afternoon and towards Sunset. Highs in the upper 80s. Chance of rain 60 percent.

Tonight 24 Sep Coastal Indian River

Partly cloudy with a chance of Showers. Breezy. Lows in the mid 70s. North Winds 10 to 15 Mph increasing to 15 to 20 Mph in the late evening and overnight. Chance of rain 50 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 19 September, 2026

    71.7 °F

  • Average September

    82.1 °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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