South Beach Causeway Weather Forecast

    • 79
    • 86

    Partly Sunny

    • 79
    • 87

    Chance Thunderstorms

    • 79
    • 87

    Chance Thunderstorms

    • 79
    • 86

    Thunderstorms Likely

    • 79
    • 86

    Chance Thunderstorms

    • 79
    • 86

    Chance Thunderstorms

    • 79
    • 86

    Slight Chance Thunderstorms

Today 22 Jun Coastal St. Lucie

Mostly sunny late in the morning then becoming partly sunny. A slight chance of Showers and Thunderstorms. Highs around 90. Southeast Winds 5 to 10 Mph. Chance of rain 20 percent. Heat index Values up to 104.

Tonight 22 Jun Coastal St. Lucie

Partly cloudy. Lows in the upper 70s. Southeast Winds 5 to 10 Mph becoming south in the late evening and overnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

South Beach Causeway Temperature Statistics

June Temperature

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

  • Lowest 8 June, 2026

    66.7 °F

  • Average June

    80.9 °F

  • Highest 17 June, 2026

    95.6 °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

    83.5 °F
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