If you planning to travel to Rio Blanco Waterfall, San Antonio, Belize, 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 12:17 PM. The temperature feels like 71 with a humidity level of 77 so dress accordingly. Cloud coverage is 76 percent with visibility at 14.9 percent. Today’s UV index is 1, don’t forget the sunscreen if you need it! Today’s winds are traveling west-southwest at a speed of 3 MPH. At the end of the day don’t miss the sunset at 11:32 PM.