Port St Lucie Weather Forecast

    • 70
    • 92

    Mostly Sunny

    • 71
    • 93

    Partly Sunny

    • 71
    • 92

    Mostly Sunny

    • 73
    • 93

    Mostly Sunny

    • 73
    • 94

    Mostly Sunny

    • 73
    • 94

    Partly Sunny

Today 16 May Coastal St. Lucie

Sunny late in the morning then becoming partly sunny. Highs in the upper 80s. South Winds 5 to 10 Mph becoming southeast late in the afternoon and towards Sunset.

Tonight 16 May Coastal St. Lucie

Mostly clear after midnight then becoming partly cloudy. Lows in the lower 70s. South Winds 5 to 10 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Port St Lucie Temperature Statistics

May Temperature

Witham Field Airport (9.9 miles)

  • Lowest 3 May, 2025

    69.8 °F

  • Average May

    76.7 °F

  • Highest 10 May, 2025

    89.6 °F

Climate (2020–Present)

Witham Field Airport (9.9 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2020–2025

    69.4 °F

  • Average 2020–2025

    74.5 °F

  • Average High 2020–2025

    82.9 °F
Get WillyWeather+ to remove ads