If you planning to travel to Antietam National Battlefield, Sharpsburg, Maryland, 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 12:26 PM. The temperature feels like 32.8 with a humidity level of 85 so dress accordingly. Cloud coverage is 84 percent with visibility at 11 percent. Today’s UV index is 1, don’t forget the sunscreen if you need it! Today’s winds are traveling south at a speed of 3 MPH. At the end of the day don’t miss the sunset at 9:50 PM.