If you planning to travel to Port St. Lucie Botanical Gardens, Port Saint Lucie, Florida, here is your 6-day travel weather forecast to make sure you have all the essentials needed during your stay. Start your day when the sunrises at 11:44 AM. The temperature feels like 74 with a humidity level of 68 so dress accordingly. Cloud coverage is 60 percent with visibility at 14.9 percent. Today’s UV index is 0, don’t forget the sunscreen if you need it! Today’s winds are traveling east-northeast at a speed of 6 MPH. At the end of the day don’t miss the sunset at 10:29 PM.