Port St Lucie Weather Forecast
- 75
- 89
Rain Showers Likely
- 74
- 90
Rain Showers
- 74
- 90
Rain Showers
- 73
- 89
Rain Showers
- 73
- 89
Rain Showers
- 71
- 88
Chance Rain Showers
Today 21 Sep St. Lucie
Partly cloudy late in the morning then becoming mostly cloudy. A chance of Showers in the late morning and early afternoon. Scattered Thunderstorms. Showers likely in the afternoon. Highs in the upper 80s. East Winds 5 to 10 Mph. Chance of rain 70 percent.
Tonight 21 Sep St. Lucie
Partly cloudy. A chance of Showers and Thunderstorms through late Evening, then a slight chance of Showers and Thunderstorms after midnight. Lows in the mid 70s. Southeast Winds around 5 Mph becoming east after midnight. Chance of rain 40 percent.
Port St Lucie Temperature Statistics
September Temperature
Witham Field Airport (9.9 miles)
Lowest 4 September, 2021
73.4 °FAverage September
79.6 °FHighest 1 September, 2021
91.4 °F
Climate (2010–Present)
Witham Field Airport (9.9 miles)
Average Low 2010–Present
69.4 °FAverage 2010–Present
74.6 °FAverage High 2010–Present
83.3 °F