Hottest and Coldest Temperatures Ever in Allentown on March 11

On March 11th, Allentown experienced a range of temperatures. The hottest temperature ever recorded for this date was 73.0°F in 2021, while the coldest temperature ever recorded was 6.1°F back in 1960. The average temperature for this date is 38.68°F, with an average high of 46.19°F and an average low of 31.17°F. In a noteworthy event from the past, in 1961, a solar-powered airplane successfully completed its first flight, marking a significant milestone in the development of renewable energy technology.