Treasure Coast Airpark Weather Forecast
- 73
- 92
Thunderstorms Likely
- 74
- 92
Chance Thunderstorms
- 75
- 90
Thunderstorms Likely
- 74
- 89
Rain Showers
- 73
- 89
Thunderstorms Likely
- 72
- 90
Thunderstorms
Today 13 Sep Inland St. Lucie
Partly cloudy. A slight chance of afternoon Showers and Thunderstorms, then Showers and Thunderstorms likely late in the afternoon and towards Sunset. Highs in the lower 90s. North Winds around 5 Mph becoming southeast late in the afternoon and towards Sunset. Chance of rain 70 percent. Heat index Values up to 103.
Tonight 13 Sep Inland St. Lucie
Partly cloudy. Lows in the mid 70s. Light and variable Winds.
Treasure Coast Airpark Temperature Statistics
September Temperature
Witham Field Airport (16.8 miles)
Lowest 7 September, 2026
73.4 °FAverage September
81.2 °FHighest 5 September, 2026
93.2 °F
Climate (2021–2026)
Witham Field Airport (16.8 miles)
Average Low 2021–2026
69.4 °FAverage 2021–2026
74.6 °FAverage High 2021–2026
83.1 °F