Hottest and Coldest Temperatures Ever in Allentown on July 31

On July 31st in Allentown, the weather has seen extreme temperatures throughout history. In 1954, the mercury soared to a scorching 100.9°F, making it the hottest temperature ever recorded. However, 2021 brought a chill with the coldest temperature ever recorded on this date, dropping to 50.0°F. Despite these extremes, the average temperature for July 31st is a pleasant 74.56°F, with an average high of 79.16°F and an average low of 69.97°F. In a remarkable news item from 1954, the city celebrated the completion of their tallest skyscraper, reaching new heights both in architecture and temperature records.