If you planning to travel to Greenville Speedway, Greenville, Mississippi, 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 11:02 AM. The temperature feels like 74.94999999999999 with a humidity level of 66 so dress accordingly. Cloud coverage is 4 percent with visibility at 13.9 percent. Today’s UV index is 9, don’t forget the sunscreen if you need it! Today’s winds are traveling west at a speed of 7 MPH. At the end of the day don’t miss the sunset at 12:58 AM.