If you planning to travel to Washington, DC, United States (IAD-Washington Dulles Intl.), 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 12:25 PM. The temperature feels like 34.1 with a humidity level of 55 so dress accordingly. Cloud coverage is 8 percent with visibility at 15 percent. Today’s UV index is 2, don’t forget the sunscreen if you need it! Today’s winds are traveling southwest at a speed of 7 MPH. At the end of the day don’t miss the sunset at 10:18 PM.