Weather In Pittsburgh 2025 Average Temperature. Delve into daily predictions on temperature, precipitation, and more. Weather.com brings you the most accurate monthly weather forecast for pittsburgh, pa with average/record and high/low temperatures, precipitation and more.

As the month progressed, temperatures tended to moderately rise, reaching an average of 29.4 ° f. The weather in pittsburgh in march is very cold with temperatures between 32°f and 48°f, warm clothes are a must.