If you planning to travel to Rio San Juan, Cuyo, South America, 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 9:29 AM. The temperature feels like 84.35 with a humidity level of 44 so dress accordingly. Cloud coverage is 4 percent with visibility at 14.6 percent. Today’s UV index is 12, don’t forget the sunscreen if you need it! Today’s winds are traveling south at a speed of 11 MPH. At the end of the day don’t miss the sunset at 11:45 PM.