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 2:35 PM. The temperature feels like 62.3 with a humidity level of 52 so dress accordingly. Cloud coverage is 2 percent with visibility at 14.4 percent. Today’s UV index is 3, don’t forget the sunscreen if you need it! Today’s winds are traveling south-southwest at a speed of 6 MPH. At the end of the day don’t miss the sunset at 12:46 AM.