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 10:38 AM. The temperature feels like 67 with a humidity level of 77 so dress accordingly. Cloud coverage is 46 percent with visibility at 14.5 percent. Today’s UV index is 4, don’t forget the sunscreen if you need it! Today’s winds are traveling south-southwest at a speed of 9 MPH. At the end of the day don’t miss the sunset at 11:44 PM.