What day is the hottest day of the year in Indianapolis?
Making a good case is today, July 14th. On this date, the hottest temperature ever recorded was tied in Indianapolis at 106 in 1936. There were two other occasions reaching 106, July 21st, 1934 and July 22nd, 1921. It was also on this date that the States all-time high temperature was set at 116 in Collegeville, Indiana  the site of St. Josephs College. On that day other all-time highs included:  110 Bloomington  110 Columbus  110 Kokomo  110 Oolitic  109 Rockville  109 Greenfield  107 Rushville  107 Greencastle  The 106 temperature officially set on July 14th and on numerous other dates stands as the record however 107 was recorded unofficially on July 25th, 1934, but taken prior to the airport being recognized as the official record station). Dating back 150 years, the city of Indianapolis has recorded 3161 days of 90 plus high temperatures. July 14th has produced 48 of them, the most of any other calendar day. Two of those reports topped 100. Topping 100, well that has happened 72 times on record. Several days have reached 100 on 3 occasions, included on that list is July 15th, July 21st and July 28th.