If you planning to travel to Castries Central Market, Castries, St. Lucia, 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 10:21 AM. The temperature feels like 83.1 with a humidity level of 85 so dress accordingly. Cloud coverage is 21 percent with visibility at 13 percent. Today’s UV index is 7, don’t forget the sunscreen if you need it! Today’s winds are traveling east at a speed of 10 MPH. At the end of the day don’t miss the sunset at 9:37 PM.