If you planning to travel to Hopewell Furnace National Historic Site, Elverson, Pennsylvania, 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 12:22 PM. The temperature feels like 9.95 with a humidity level of 53 so dress accordingly. Cloud coverage is 5 percent with visibility at 14.5 percent. Today’s UV index is 2, don’t forget the sunscreen if you need it! Today’s winds are traveling north-northwest at a speed of 7 MPH. At the end of the day don’t miss the sunset at 9:43 PM.