If you planning to travel to Grumblethorpe, Philadelphia, 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 11:37 AM. The temperature feels like 55.949999999999996 with a humidity level of 55 so dress accordingly. Cloud coverage is 2 percent with visibility at 14.4 percent. Today’s UV index is 2, don’t forget the sunscreen if you need it! Today’s winds are traveling west-northwest at a speed of 9 MPH. At the end of the day don’t miss the sunset at 9:48 PM.