Traveling to Alcatraz Island, San Francisco, California? 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 3:09 PM and don’t miss the sunset at 1:38 AM. Today’s winds are traveling west-southwest at a speed of 8 MPH. The temperature feels like 47 with a humidity level of 72. Cloud coverage is 3 percent with 14.1 percent visibility. Today’s UV index is 4 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.