Traveling to Port Antonio Square, Port Antonio, Jamaica? Here is your 6-day weather forecast in the area. Whether it is a warm weather destinations or cold climate don’t forget to consider weather, while you pack your bags for this trip. Start your day when the sunrises at 11:08 AM and don’t miss the sunset at 10:31 PM. Today’s winds are traveling east-southeast at a speed of 3 MPH. The temperature feels like 75 with a humidity level of 96. Cloud coverage is 70 percent with 13.9 percent visibility. Today’s UV index is 3 make sure to prepare properly. Make sure to plan your travel itinerary to match your travel weather forecast to make the most of your vacation with Reservations.com.