If you planning to travel to Dulles Sportsplex, Sterling, 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 12:11 PM. The temperature feels like 46.2 with a humidity level of 79 so dress accordingly. Cloud coverage is 56 percent with visibility at 11.7 percent. Today’s UV index is 3, don’t forget the sunscreen if you need it! Today’s winds are traveling southwest at a speed of 15 MPH. At the end of the day don’t miss the sunset at 9:47 PM.