If you planning to travel to Valley Gem Sternwheeler, 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 12:10 PM. The temperature feels like 51 with a humidity level of 93 so dress accordingly. Cloud coverage is 85 percent with visibility at 8.8 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 4 MPH. At the end of the day don’t miss the sunset at 10:09 PM.