Round Island Oceanfront Park Weather Forecast

    • 77
    • 94

    Thunderstorms Likely

    • 76
    • 93

    Thunderstorms Likely

    • 77
    • 93

    Thunderstorms Likely

    • 77
    • 93

    Thunderstorms Likely

    • 77
    • 93

    Thunderstorms Likely

    • 78
    • 91

    Chance Thunderstorms

Today 21 Aug Coastal Indian River

Sunny with a chance of Showers and Thunderstorms late in the Morning, then partly cloudy with Showers and Thunderstorms likely late in the afternoon and towards Sunset. Highs in the lower 90s. West Winds 5 to 10 Mph becoming south late in the afternoon and towards Sunset. Chance of rain 70 percent. Heat index Values up to 105.

Tonight 21 Aug Coastal Indian River

Partly cloudy with a chance of Showers and Thunderstorms in the late evening and early Morning, then clear after midnight. Lows in the mid 70s. Southwest Winds around 5 Mph. Chance of rain 30 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Round Island Oceanfront Park Temperature Statistics

August Temperature

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

  • Lowest 11 August, 2025

    70.6 °F

  • Average August

    83.3 °F

  • Highest 1 August, 2025

    95.6 °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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