If you planning to travel to Prince William Hospital, Manassas, Virginia, 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 10:29 AM. The temperature feels like 63.7 with a humidity level of 61 so dress accordingly. Cloud coverage is 4 percent with visibility at 13.7 percent. Today’s UV index is 9, don’t forget the sunscreen if you need it! Today’s winds are traveling north-northwest at a speed of 6 MPH. At the end of the day don’t miss the sunset at 11:54 PM.