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 11:50 AM. The temperature feels like 79.35 with a humidity level of 72 so dress accordingly. Cloud coverage is 1 percent with visibility at 13.3 percent. Today’s UV index is 8, don’t forget the sunscreen if you need it! Today’s winds are traveling east-southeast at a speed of 3 MPH. At the end of the day don’t miss the sunset at 12:04 AM.