South Beach Causeway Weather Forecast

    • 60
    • 79

    Sunny

    • 67
    • 77

    Slight Chance Thunderstorms

    • 67
    • 77

    Chance Thunderstorms

    • 68
    • 77

    Mostly Sunny

    • 67
    • 78

    Mostly Sunny

    • 69
    • 78

    Chance Rain Showers

Today 23 Mar Coastal St. Lucie

Clear. Highs in the lower 80s. Northwest Winds 5 to 10 Mph becoming southeast 10 to 15 Mph late in the afternoon and towards Sunset.

Tonight 23 Mar Coastal St. Lucie

Clear. Lows in the upper 50s. Southwest Winds 10 to 15 Mph becoming northwest 5 to 10 Mph after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

South Beach Causeway Temperature Statistics

March Temperature

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

  • Lowest 19 March, 2026

    52 °F

  • Average March

    72.6 °F

  • Highest 12 March, 2026

    90.6 °F

Climate (2021–Present)

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

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  • Average Low 2021–2026

    65.8 °F

  • Average 2021–2026

    74.5 °F

  • Average High 2021–2026

    83.5 °F
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