Highest Temperatures in Waterloo History
This is a list of the 20 highest temperatures ever recorded in
Waterloo, Iowa history from 1895–2024 based on data from the NOAA.
What's the hottest it has ever gotten in Waterloo?
The hottest temperature in Waterloo, Iowa history is 112 °F which has happened twice, most recently on Tuesday July 14, 1936.
| Rank |
Temperature |
Date |
| 1 |
112 °F |
July 14, 1936 |
| 1 |
112 °F |
July 13, 1936 |
| 3 |
110 °F |
August 18, 1936 |
| 3 |
110 °F |
July 12, 1936 |
| 5 |
109 °F |
July 26, 1936 |
| 5 |
109 °F |
July 5, 1911 |
| 7 |
108 °F |
July 5, 1936 |
| 7 |
108 °F |
May 31, 1934 |
| 9 |
107 °F |
June 28, 1934 |
| 9 |
107 °F |
June 27, 1934 |
| 9 |
107 °F |
July 24, 1901 |
| 12 |
106 °F |
July 15, 1936 |
| 12 |
106 °F |
July 11, 1936 |
| 12 |
106 °F |
July 10, 1936 |
| 12 |
106 °F |
June 2, 1934 |
| 12 |
106 °F |
June 28, 1931 |
| 12 |
106 °F |
July 21, 1901 |
| 18 |
105 °F |
August 23, 2023 |
| 18 |
105 °F |
August 17, 1988 |
| 18 |
105 °F |
July 31, 1988 |
| 18 |
105 °F |
August 16, 1937 |
| 18 |
105 °F |
July 17, 1936 |
| 18 |
105 °F |
July 6, 1936 |
| 18 |
105 °F |
June 29, 1931 |
| 18 |
105 °F |
June 26, 1931 |
| 18 |
105 °F |
August 3, 1930 |
Weather Station Details
| Years |
Station |
Coordinates |
| 1950–2024 |
Waterloo Municipal Airport |
location |
| 1895–1950 |
Waterloo |
location |