If you planning to travel to Swim Beach, Big Bear Lake, 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 1:29 PM. The temperature feels like 54.95 with a humidity level of 34 so dress accordingly. Cloud coverage is 5 percent with visibility at 9.7 percent. Today’s UV index is 8, 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 1:58 AM.