Mostly Sunny today in Port Saint Lucie, FL, with a high near 84 and a low tonight around 67. Thursday looks sunny, with a high near 82. Over the next 6 days, highs range from 81 to 83 with overnight lows from 65 to 70.

The National Weather Service 7-day forecast for your location, with daily and hourly temperature, chance of precipitation, wind, and conditions.