If you planning to travel to Las Campanas Observatory, Vallenar, 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 9:39 AM. The temperature feels like 65.7 with a humidity level of 50 so dress accordingly. Cloud coverage is 0 percent with visibility at 14.9 percent. Today’s UV index is 12, don’t forget the sunscreen if you need it! Today’s winds are traveling south-southwest at a speed of 6 MPH. At the end of the day don’t miss the sunset at 11:45 PM.