May is set to be cooler than average for most of the month, with low rain chances across the country. A disturbance moving through the south states will bring a 20% chance of rain for southern Middle Tennessee through early Saturday morning. On Saturday, a better rain chance is expected, but a push of colder air will push into the region. The coldest day of the weekend will be Sunday, with temperatures reaching the 60s to near 70 degrees Fahrenheit.