If you planning to travel to Splash Island, Plainfield, 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 12:22 PM. The temperature feels like 48.9 with a humidity level of 76 so dress accordingly. Cloud coverage is 21 percent with visibility at 11.9 percent. Today’s UV index is 2, don’t forget the sunscreen if you need it! Today’s winds are traveling northwest at a speed of 4 MPH. At the end of the day don’t miss the sunset at 10:35 PM.