Avalon State Park Weather Forecast

    • 79
    • 88

    Chance Thunderstorms

    • 79
    • 88

    Chance Thunderstorms

    • 79
    • 87

    Slight Chance Thunderstorms

    • 78
    • 88

    Chance Thunderstorms

    • 78
    • 90

    Chance Thunderstorms

    • 78
    • 89

    Chance Thunderstorms

Today 22 Aug Coastal St. Lucie

Partly sunny with a chance of Showers and Thunderstorms. Highs in the lower 90s. Southwest Winds 5 to 10 Mph becoming southeast late in the afternoon and towards Sunset. Chance of rain 40 percent. Heat index Values up to 105.

Tonight 22 Aug Coastal St. Lucie

Partly cloudy. A slight chance of Showers and Thunderstorms in the late evening and early morning. Lows in the upper 70s. Southwest Winds 5 to 10 Mph. Chance of rain 20 percent.

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Avalon State Park Temperature Statistics

August Temperature

Fort Pierce, St. Lucie County International Airport (4.3 miles)

  • Lowest 20 August, 2026

    73.9 °F

  • Average August

    83.9 °F

  • Highest 17 August, 2026

    96.7 °F

Climate (2021–2026)

Fort Pierce, St. Lucie County International Airport (4.3 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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