On March 5th, Pittsburgh experienced a range of temperatures throughout history. In 2004, the city saw its hottest temperature on record, reaching 78.1°F, while the coldest temperature of 4.1°F was recorded in 2015. The average temperature for this date is 36.21°F, with an average high of 44.91°F and an average low of 27.52°F. In 2004, an interesting news item occurred when Pittsburgh held its first-ever St. Patrick's Day parade, marking a significant cultural celebration for the city.Temperature Graph for 03-05