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 11:22 AM. The temperature feels like 64.9 with a humidity level of 58 so dress accordingly. Cloud coverage is 12 percent with visibility at 15 percent. Today’s UV index is 5, don’t forget the sunscreen if you need it! Today’s winds are traveling west-southwest at a speed of 7 MPH. At the end of the day don’t miss the sunset at 10:20 PM.