Hottest and Coldest Temperatures Ever in Allentown on February 21

On February 21st in Allentown, the weather has seen extremes over the years. In 2018, the temperature soared to a scorching 81.0°F, making it the hottest recorded temperature for this day. Conversely, in 2015, the mercury plummeted to a bone-chilling -2.7°F, marking the coldest temperature ever recorded. On average, Allentown experiences a milder temperature of 34.59°F on this date, with a high of 41.95°F and a low of 27.24°F. In an interesting news item from these years, in 2015, Allentown was hit by a massive snowstorm, known as "Winter Storm Neptune," which brought heavy snowfall and created challenging conditions for the city.