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 12:15 PM. The temperature feels like 36.3 with a humidity level of 67 so dress accordingly. Cloud coverage is 36 percent with visibility at 16.8 percent. Today’s UV index is 3, don’t forget the sunscreen if you need it! Today’s winds are traveling east-southeast at a speed of 6 MPH. At the end of the day don’t miss the sunset at 9:46 PM.