If you planning to travel to Smithsonian Institution, Washington, 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 11:02 AM. The temperature feels like 49.85 with a humidity level of 54 so dress accordingly. Cloud coverage is 5 percent with visibility at 13.6 percent. Today’s UV index is 8, 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 11:26 PM.