If you planning to travel to Santa Catalina Arch, Antigua Guatemala, Guatemala, 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 72 with a humidity level of 62 so dress accordingly. Cloud coverage is 6 percent with visibility at 14.6 percent. Today’s UV index is 8, don’t forget the sunscreen if you need it! Today’s winds are traveling northeast at a speed of 7 MPH. At the end of the day don’t miss the sunset at 11:31 PM.