If you planning to travel to St. Mary Cathedral Basilica, Galveston, Texas, 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 12:10 PM. The temperature feels like 75 with a humidity level of 98 so dress accordingly. Cloud coverage is 96 percent with visibility at 4.6 percent. Today’s UV index is 3, don’t forget the sunscreen if you need it! Today’s winds are traveling south at a speed of 8 MPH. At the end of the day don’t miss the sunset at 12:38 AM.