Hottest and Coldest Temperatures Ever in Philadelphia on October 31
On October 31st in Philadelphia, the historical weather data shows a range of temperatures. The hottest temperature ever recorded on this date was 79.0°F back in 1950, while the coldest temperature was 26.1°F in 1966. On average, the temperature in Philadelphia on this day is 52.48°F, with an average high of 58.01°F and an average low of 46.96°F. In 1950, when the temperature reached its peak, an interesting event took place: the Philadelphia Phillies won their first National League pennant since 1915, marking a triumphant moment for the city's baseball fans.