Weather In Philadelphia In January 2025 Hourly. Weather.com brings you the most accurate monthly weather forecast for philadelphia, pa with average/record and high/low temperatures, precipitation and more. Explore comprehensive january 2025 weather forecasts for philadelphia, including daily high and low temperatures, precipitation risks, and monthly temperature trends.

Our weather forecast can give you a great sense of what weather to expect in pennsylvania in january 2025. Get the monthly weather forecast for philly, pa, including daily high/low, historical averages, to help you plan ahead.