Hottest and Coldest Temperatures Ever in Allentown on January 29

On January 29 in Allentown, the weather has historically experienced a wide range of temperatures. The hottest temperature on record for this date was a balmy 66.0°F in 2002, contrasting with the coldest temperature of -9.0°F in 1963. On average, the temperature settles at 28.74°F, with a typical high of 36.31°F and a low of 21.18°F. In 1963, during the extreme cold, an interesting news item from that time is that the mercury plunged so low that the iconic Lehigh River froze over completely, creating a picturesque winter scene that attracted locals and visitors alike to marvel at the rare sight.