If you planning to travel to Arco Iris Valley, San Pedro de Atacama, Chile, 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 9:45 AM. The temperature feels like 58.400000000000006 with a humidity level of 36 so dress accordingly. Cloud coverage is 6 percent with visibility at 14.4 percent. Today’s UV index is 11, don’t forget the sunscreen if you need it! Today’s winds are traveling south-southwest at a speed of 8 MPH. At the end of the day don’t miss the sunset at 11:19 PM.