If you planning to travel to Mission Basilica San Diego de Alcala, 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 2:18 PM. The temperature feels like 56.5 with a humidity level of 74 so dress accordingly. Cloud coverage is 59 percent with visibility at 13.8 percent. Today’s UV index is 4, don’t forget the sunscreen if you need it! Today’s winds are traveling west at a speed of 12 MPH. At the end of the day don’t miss the sunset at 12:46 AM.