If you planning to travel to Johnson House Historical Site, 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 11:45 AM. The temperature feels like 46.5 with a humidity level of 65 so dress accordingly. Cloud coverage is 41 percent with visibility at 14.4 percent. Today’s UV index is 3, don’t forget the sunscreen if you need it! Today’s winds are traveling south-southwest at a speed of 6 MPH. At the end of the day don’t miss the sunset at 9:42 PM.