Avalon State Park Weather Forecast

    • 78
    • 86

    Chance Thunderstorms

    • 78
    • 87

    Thunderstorms Likely

    • 76
    • 87

    Thunderstorms Likely

    • 76
    • 88

    Thunderstorms Likely

    • 76
    • 87

    Thunderstorms Likely

    • 77
    • 86

    Thunderstorms Likely

Today 3 Sep Coastal St. Lucie

Considerable cloudiness with Showers and Thunderstorms likely. Highs in the upper 80s. Southeast Winds 5 to 10 Mph. Chance of rain 70 percent. Heat index Values up to 101.

Tonight 3 Sep Coastal St. Lucie

Partly cloudy with a chance of Showers. A chance of Thunderstorms in the late evening and early Morning, then a slight chance of Thunderstorms after midnight. Lows in the upper 70s. Southeast Winds 5 to 10 Mph. Chance of rain 40 percent.

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Avalon State Park Temperature Statistics

September Temperature

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

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  • Average Low 2021–2026

    65.9 °F

  • Average 2021–2026

    74.7 °F

  • Average High 2021–2026

    83.7 °F
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