If you planning to travel to Shelter Island, San Diego, 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 2:10 PM. The temperature feels like 60.35 with a humidity level of 38 so dress accordingly. Cloud coverage is 6 percent with visibility at 14.8 percent. Today’s UV index is 0, don’t forget the sunscreen if you need it! Today’s winds are traveling south at a speed of 8 MPH. At the end of the day don’t miss the sunset at 12:52 AM.