South Beach Causeway Weather Forecast
- 78
- 85
Rain Showers Likely
- 78
- 85
Rain Showers
- 77
- 85
Rain Showers
- 78
- 86
Rain Showers Likely
- 77
- 86
Rain Showers Likely
- 78
- 86
Rain Showers Likely
- 77
- 86
Rain Showers Likely
Today 3 Sep Coastal St. Lucie
Partly cloudy early in the afternoon then considerable cloudiness. A chance of Thunderstorms. A chance of Showers early in the Afternoon, then Showers likely late in the afternoon and towards Sunset. Highs in the upper 80s. Northeast Winds 5 to 10 Mph increasing to 10 to 15 Mph late in the afternoon and towards Sunset. Chance of rain 70 percent.
Tonight 3 Sep Coastal St. Lucie
Considerable cloudiness through early morning then becoming partly cloudy. A chance of Thunderstorms. Showers likely early in the Evening, then a chance of Showers in the late evening and overnight. Lows in the mid 70s. Northeast Winds 5 to 10 Mph becoming south around 5 Mph in the late evening and early Morning, then becoming west late. Chance of rain 60 percent.
South Beach Causeway Temperature Statistics
September Temperature
Fort Pierce, St. Lucie County International Airport (4.3 miles)
Lowest 1 September, 2025
75 °FAverage September
79.6 °FHighest 1 September, 2025
86 °F
Climate (2020–Present)
Fort Pierce, St. Lucie County International Airport (4.3 miles)
Average Low 2020–2025
66.1 °FAverage 2020–2025
74.7 °FAverage High 2020–2025
83.5 °F