• Philadelphia will start the week with warm temperatures in the upper 60s°F (around 20°C) and a chance of morning showers.
• Temperatures will rise into the 70s°F (21-26°C) mid-week before a strong cold front brings cooler temperatures.
• By the weekend, Philadelphia can expect temperatures to drop into the 40s and 50s°F (4-15°C), marking a significant change from the week's start.