South Beach Causeway Weather Forecast

    • 79
    • 84

    Chance Thunderstorms

    • 79
    • 86

    Chance Thunderstorms

    • 79
    • 86

    Chance Thunderstorms

    • 79
    • 86

    Slight Chance Thunderstorms

    • 78
    • 86

    Slight Chance Thunderstorms

    • 78
    • 87

    Slight Chance Thunderstorms

    • 78
    • 88

    Mostly Sunny

Today 7 Aug Coastal St. Lucie

Considerable cloudiness in the afternoon then becoming partly cloudy. Showers and Thunderstorms likely. Highs in the upper 80s. East Winds 10 to 15 Mph. Chance of rain 60 percent.

Tonight 7 Aug Coastal St. Lucie

Partly cloudy. A slight chance of Showers and Thunderstorms early in the Evening, then a chance of Showers and Thunderstorms in the late evening and overnight. Lows in the upper 70s. Southeast Winds 10 to 15 Mph. Chance of rain 40 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

South Beach Causeway Temperature Statistics

August Temperature

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

  • Lowest 5 August, 2026

    73.9 °F

  • Average August

    82.4 °F

  • Highest 1 August, 2026

    93.7 °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

    74.6 °F

  • Average High 2021–2026

    83.6 °F
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