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 11:01 AM. The temperature feels like 63.15 with a humidity level of 66 so dress accordingly. Cloud coverage is 1 percent with visibility at 15 percent. Today’s UV index is 3, don’t forget the sunscreen if you need it! Today’s winds are traveling west at a speed of 9 MPH. At the end of the day don’t miss the sunset at 10:58 PM.