Traveling to Dumbarton Oaks, Washington? Here is your 6-day weather forecast in the area. Whether it is a warm weather destinations or cold climate don’t forget to consider weather, while you pack your bags for this trip. Start your day when the sunrises at 11:08 AM and don’t miss the sunset at 10:41 PM. Today’s winds are traveling west at a speed of 6 MPH. The temperature feels like 62 with a humidity level of 73. Cloud coverage is 20 percent with 14.4 percent visibility. Today’s UV index is 6 make sure to prepare properly. Make sure to plan your travel itinerary to match your travel weather forecast to make the most of your vacation with Reservations.com.