If you planning to travel to Three Cultures Square, Piedras Negras, Coahuila, Mexico, 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 1:08 PM. The temperature feels like 61.900000000000006 with a humidity level of 36 so dress accordingly. Cloud coverage is 2 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-southeast at a speed of 6 MPH. At the end of the day don’t miss the sunset at 11:46 PM.