If you planning to travel to Library of Congress, Washington, District of Columbia, 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 11:42 AM. The temperature feels like 70.7 with a humidity level of 64 so dress accordingly. Cloud coverage is 48 percent with visibility at 14.7 percent. Today’s UV index is 0, don’t forget the sunscreen if you need it! Today’s winds are traveling northwest at a speed of 6 MPH. At the end of the day don’t miss the sunset at 9:59 PM.