South Fork St Lucie River - Arbeau Point Weather Forecast
- 75
- 85
Chance Thunderstorms
- 75
- 85
Thunderstorms Likely
- 76
- 85
Thunderstorms Likely
- 75
- 84
Thunderstorms Likely
- 76
- 86
Thunderstorms Likely
- 76
- 86
Rain Showers Likely
- 75
- 85
Chance Thunderstorms
Today 20 Sep Coastal Martin
Partly sunny with a chance of Showers. A slight chance of Thunderstorms late in the Morning, then a chance of Thunderstorms late in the afternoon and towards Sunset. Highs in the mid 80s. Chance of rain 50 percent.
Tonight 20 Sep Coastal Martin
Considerable cloudiness early in the evening then becoming partly cloudy. A chance of Showers and Thunderstorms through early Morning, then a slight chance of Showers and Thunderstorms late. Lows in the mid 70s. Northeast Winds around 5 Mph becoming south in the late evening and early Morning, then becoming light and variable late. Chance of rain 50 percent.
South Fork St Lucie River - Arbeau Point Temperature Statistics
September Temperature
Witham Field Airport (2.5 miles)
Lowest 7 September, 2026
73.4 °FAverage September
81.2 °FHighest 5 September, 2026
93.2 °F
Climate (2021–2026)
Witham Field Airport (2.5 miles)
Average Low 2021–2026
69.4 °FAverage 2021–2026
74.6 °FAverage High 2021–2026
83.1 °F