If you planning to travel to New Castle Motorsports Park, New Castle, Indiana, 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 1:01 PM. The temperature feels like 24.450000000000003 with a humidity level of 74 so dress accordingly. Cloud coverage is 59 percent with visibility at 12.4 percent. Today’s UV index is 1, don’t forget the sunscreen if you need it! Today’s winds are traveling south at a speed of 10 MPH. At the end of the day don’t miss the sunset at 10:22 PM.