If you planning to travel to Cape Cod National Seashore, Eastham, Massachusetts, 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 10:17 AM. The temperature feels like 66.3 with a humidity level of 80 so dress accordingly. Cloud coverage is 9 percent with visibility at 11.6 percent. Today’s UV index is 7, don’t forget the sunscreen if you need it! Today’s winds are traveling south at a speed of 5 MPH. At the end of the day don’t miss the sunset at 10:52 PM.