Port St Lucie Weather Forecast

    • 72
    • 92

    Chance Thunderstorms

    • 74
    • 91

    Chance Thunderstorms

    • 73
    • 90

    Chance Thunderstorms

    • 73
    • 90

    Thunderstorms Likely

    • 74
    • 89

    Thunderstorms Likely

    • 73
    • 89

    Thunderstorms Likely

    • 73
    • 90

    Thunderstorms Likely

Today 6 Jul Coastal St. Lucie

Partly sunny early in the afternoon then considerable cloudiness. A chance of Showers and Thunderstorms. Highs around 90. Southwest Winds 10 to 15 Mph. Chance of rain 50 percent. Heat index Values up to 102.

Tonight 6 Jul Coastal St. Lucie

Considerable cloudiness early in the evening then becoming partly cloudy. A chance of Showers and Thunderstorms early in the evening. Lows in the mid 70s. South Winds 10 to 15 Mph becoming southwest 5 to 10 Mph in the late evening and overnight. Chance of rain 40 percent.

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Port St Lucie Temperature Statistics

July Temperature

Witham Field Airport (9.9 miles)

  • Lowest 1 July, 2025

    73.4 °F

  • Average July

    78.6 °F

  • Highest 4 July, 2025

    89.6 °F

Climate (2020–Present)

Witham Field Airport (9.9 miles)

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  • Average Low 2020–2025

    69.4 °F

  • Average 2020–2025

    74.5 °F

  • Average High 2020–2025

    82.9 °F
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