If you planning to travel to Washington County Fairgrounds, Marietta, Ohio, 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 12:43 PM. The temperature feels like 23.950000000000003 with a humidity level of 58 so dress accordingly. Cloud coverage is 9 percent with visibility at 14.9 percent. Today’s UV index is 0, don’t forget the sunscreen if you need it! Today’s winds are traveling east-southeast at a speed of 1 MPH. At the end of the day don’t miss the sunset at 10:07 PM.