Traveling to Dumbarton Bridge, Washington, District Of Columbia? 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 10:51 AM and don’t miss the sunset at 11:33 PM. Today’s winds are traveling west-northwest at a speed of 11 MPH. The temperature feels like 46 with a humidity level of 40. Cloud coverage is 5 percent with 9.5 percent visibility. Today’s UV index is 8 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.