If you planning to travel to National Museum of American History, Washington, District of Columbia, United States, 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 12:12 PM. The temperature feels like 51.55 with a humidity level of 64 so dress accordingly. Cloud coverage is 85 percent with visibility at 15 percent. Today’s UV index is 0, don’t forget the sunscreen if you need it! Today’s winds are traveling west-southwest at a speed of 18 MPH. At the end of the day don’t miss the sunset at 9:45 PM.