Port St Lucie Weather Forecast
- 75
- 89
Rain Showers Likely
- 76
- 91
Rain Showers Likely
- 76
- 91
Rain Showers Likely
- 75
- 90
Rain Showers Likely
- 75
- 90
Chance Thunderstorms
- 74
- 90
Chance Thunderstorms
- 74
- 90
Chance Thunderstorms
Today 11 Sep Coastal St. Lucie
Partly sunny in the late morning and early afternoon then considerable cloudiness. Showers likely and a chance of Thunderstorms. Highs in the upper 80s. Southeast Winds 5 to 10 Mph becoming east late in the afternoon and towards Sunset. Chance of rain 70 percent.
Tonight 11 Sep Coastal St. Lucie
Mostly cloudy with a chance of Thunderstorms. Showers likely through early Morning, then a chance of Showers late. Lows in the upper 70s. Southeast Winds 5 to 10 Mph becoming south around 5 Mph late. Chance of rain 70 percent.
Port St Lucie Temperature Statistics
September Temperature
Witham Field Airport (9.9 miles)
Lowest 2 September, 2024
75.2 °FAverage September
81.9 °FHighest 7 September, 2024
91.4 °F
Climate (2019–Present)
Witham Field Airport (9.9 miles)
Average Low 2019–2024
69.6 °FAverage 2019–2024
74.7 °FAverage High 2019–2024
83 °F