If you planning to travel to Lopez Lake Recreation Area, Arroyo Grande, California, 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 12:47 PM. The temperature feels like 63.25 with a humidity level of 63 so dress accordingly. Cloud coverage is 8 percent with visibility at 14 percent. Today’s UV index is 11, don’t forget the sunscreen if you need it! Today’s winds are traveling west at a speed of 5 MPH. At the end of the day don’t miss the sunset at 3:19 AM.