If you planning to travel to Port of San Juan, San Juan, Puerto Rico, 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 10:40 AM. The temperature feels like 80.65 with a humidity level of 71 so dress accordingly. Cloud coverage is 13 percent with visibility at 13.5 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 8 MPH. At the end of the day don’t miss the sunset at 9:47 PM.