Port St Lucie - River Park Weather Forecast

    • 75
    • 91

    Thunderstorms Likely

    • 76
    • 92

    Chance Thunderstorms

    • 76
    • 91

    Thunderstorms Likely

    • 76
    • 91

    Thunderstorms Likely

    • 76
    • 91

    Thunderstorms Likely

    • 76
    • 90

    Thunderstorms Likely

Today 27 Aug Coastal St. Lucie

Partly sunny. Showers and Thunderstorms likely in the Afternoon, then a chance of Showers and Thunderstorms late in the afternoon and towards Sunset. Highs in the upper 80s. Southeast Winds 5 to 10 Mph. Chance of rain 60 percent. Heat index Values up to 102.

Tonight 27 Aug Coastal St. Lucie

Mostly clear. Lows in the upper 70s. South Winds around 5 Mph.

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Port St Lucie - River Park Temperature Statistics

August Temperature

Witham Field Airport (11.8 miles)

  • Lowest 5 August, 2026

    75.2 °F

  • Average August

    82.5 °F

  • Highest 17 August, 2026

    96.8 °F

Climate (2021–2026)

Witham Field Airport (11.8 miles)

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  • Average Low 2021–2026

    69.4 °F

  • Average 2021–2026

    74.6 °F

  • Average High 2021–2026

    83.1 °F
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