If you planning to travel to San Juan Cathedral, 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 10:24 AM. The temperature feels like 84.4 with a humidity level of 85 so dress accordingly. Cloud coverage is 59 percent with visibility at 12.7 percent. Today’s UV index is 7, don’t forget the sunscreen if you need it! Today’s winds are traveling west at a speed of 4 MPH. At the end of the day don’t miss the sunset at 9:44 PM.