Traveling to Lake Merced, San Francisco, United States? Here is your 6-day weather forecast in the area. Whether it is a warm weather destinations or cold climate don’t forget to consider weather, while you pack your bags for this trip. Start your day when the sunrises at 2:01 PM and don’t miss the sunset at 2:00 AM. Today’s winds are traveling west-northwest at a speed of 9 MPH. The temperature feels like 57 with a humidity level of 97. Cloud coverage is 100 percent with 3.2 percent visibility. Today’s UV index is 2 make sure to prepare properly. Make sure to plan your travel itinerary to match your travel weather forecast to make the most of your vacation with Reservations.com.