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 11:25 AM. The temperature feels like 84.95 with a humidity level of 91 so dress accordingly. Cloud coverage is 78 percent with visibility at 9 percent. Today’s UV index is 5, don’t forget the sunscreen if you need it! Today’s winds are traveling south-southeast at a speed of 16 MPH. At the end of the day don’t miss the sunset at 1:07 AM.