If you planning to travel to United States Naval Observatory, 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 11:58 AM. The temperature feels like 29.450000000000003 with a humidity level of 77 so dress accordingly. Cloud coverage is 57 percent with visibility at 10.5 percent. Today’s UV index is 1, don’t forget the sunscreen if you need it! Today’s winds are traveling west at a speed of 15 MPH. At the end of the day don’t miss the sunset at 9:48 PM.