Warmest Race Day: August 29, 2010 - High 96, Low 73
Coolest Race Day: August 30, 2009 - High 76, Low 59
Through 2013, there has not been rain on race day at Louisville International Airport. But it's worth noting that the bike course extends a solid 30 miles northeast of the city, and weather conditions can vary from one part of the race course to another.
|August 25, 2013||91||66||None|
|August 26, 2012||92||69||None|
|August 28, 2011||88||70||None|
|August 29, 2010||96||73||None|
|August 30, 2009||76||59||None|
|August 31, 2008||93||69||None|
|August 26, 2007||89||71||
With the race moving to October starting in 2015, the expected weather conditions will change quite a bit. For October 11 (the 2015 race date) the normals are a high of 72 and a low of 50. But October 11, 2010 had a record high of 90 degrees. The coldest October 11 was in 1906, with a low of 30 degrees and a high of only 49.