If you planning to travel to Cape Henlopen State Park, Lewes, Delaware, 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 12:01 PM. The temperature feels like 27.9 with a humidity level of 67 so dress accordingly. Cloud coverage is 4 percent with visibility at 14.6 percent. Today’s UV index is 3, don’t forget the sunscreen if you need it! Today’s winds are traveling northwest at a speed of 11 MPH. At the end of the day don’t miss the sunset at 9:37 PM.