The Weather Channel

What to know

• Philadelphia recorded a high of 64°F and a low of 55°F on April 20, with a 75% chance of rain. Apr 19
• The next three days will see similar conditions, with highs ranging from 59°F to 64°F and rain chances between 50% and 75%. Apr 19
• The temperature in Pittsburgh is currently a mix of mild and cool conditions, with a high of 66°F and a low of 37°F. Jan 12
• The chance of precipitation today is 53%, indicating a significant likelihood of rain that may affect outdoor activities. Jan 12
• Sleet forms when snow melts in a warm layer then refreezes in cold air near the surface. Dec 23