Hottest and Coldest Temperatures Ever in Boston on September 12

On September 12th in Boston, the temperature has historically fluctuated between a scorching 93.0°F in 1961 and a chilly 46.0°F in 1967. On average, the temperature settles around 66.43°F, with a typical high of 70.65°F and a low of 62.21°F. This day's weather in Boston showcases a significant temperature range. In an interesting tidbit from these years, in 1961, the world's first modern weather satellite, TIROS-1, was launched by NASA, revolutionizing atmospheric observations and forecasting capabilities.