If you planning to travel to Cueva Ventana, Arecibo, Puerto Rico, 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 10:42 AM. The temperature feels like 74.5 with a humidity level of 80 so dress accordingly. Cloud coverage is 3 percent with visibility at 14.9 percent. Today’s UV index is 7, don’t forget the sunscreen if you need it! Today’s winds are traveling east-southeast at a speed of 4 MPH. At the end of the day don’t miss the sunset at 9:53 PM.