If you planning to travel to Smithsonian's National Zoo, 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 9:42 AM. The temperature feels like 100.1 with a humidity level of 56 so dress accordingly. Cloud coverage is 8 percent with visibility at 14.8 percent. Today’s UV index is 2, don’t forget the sunscreen if you need it! Today’s winds are traveling northwest at a speed of 5 MPH. At the end of the day don’t miss the sunset at 12:37 AM.