Round Island Oceanfront Park Weather Forecast

    • 78
    • 93

    Mostly Sunny

    • 78
    • 95

    Mostly Sunny

    • 79
    • 95

    Slight Chance Thunderstorms

    • 79
    • 94

    Slight Chance Thunderstorms

    • 79
    • 90

    Chance Thunderstorms

    • 79
    • 90

    Chance Thunderstorms

Today 16 Aug Coastal Indian River

Mostly sunny late in the morning then becoming partly sunny. Highs in the lower 90s. South Winds 5 to 10 Mph becoming southeast late in the afternoon and towards Sunset. Heat index Values up to 109.

Tonight 16 Aug Coastal Indian River

Partly cloudy in the late evening and early morning then clearing. Lows in the upper 70s. South Winds around 5 Mph becoming southwest after midnight.

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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 2 August, 2026

    74.6 °F

  • Average August

    83.5 °F

  • Highest 12 August, 2026

    93.9 °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

    83.6 °F
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