If you planning to travel to Old Post Office Museum, Devils Lake, North Dakota, 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 12:09 PM. The temperature feels like 70.95 with a humidity level of 67 so dress accordingly. Cloud coverage is 28 percent with visibility at 12.9 percent. Today’s UV index is 5, don’t forget the sunscreen if you need it! Today’s winds are traveling southeast at a speed of 26 MPH. At the end of the day don’t miss the sunset at 12:53 AM.