If you planning to travel to University of Northern California, Petaluma, 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 2:41 PM. The temperature feels like 59.150000000000006 with a humidity level of 96 so dress accordingly. Cloud coverage is 84 percent with visibility at 8 percent. Today’s UV index is 1, don’t forget the sunscreen if you need it! Today’s winds are traveling south at a speed of 11 MPH. At the end of the day don’t miss the sunset at 1:05 AM.