If you planning to travel to Lake Murray, La Mesa, United States, 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 2:23 PM. The temperature feels like 57.9 with a humidity level of 42 so dress accordingly. Cloud coverage is 5 percent with visibility at 14.8 percent. Today’s UV index is 4, don’t forget the sunscreen if you need it! Today’s winds are traveling south at a speed of 5 MPH. At the end of the day don’t miss the sunset at 12:43 AM.