If you planning to travel to California State University-Northridge, Simi Valley, 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 2:31 PM. The temperature feels like 56.650000000000006 with a humidity level of 31 so dress accordingly. Cloud coverage is 12 percent with visibility at 14.9 percent. Today’s UV index is 2, don’t forget the sunscreen if you need it! Today’s winds are traveling south-southwest at a speed of 3 MPH. At the end of the day don’t miss the sunset at 12:47 AM.