October in Pittsburgh averages a daily high of 18.7°C with nights around 7.4°C. Expect roughly 10.3 wet days totalling 73.8mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Pittsburgh is May–June.
Based on EMSWORTH L D OHIO RIVER, PA US (10.6km), 1995–2024. 30 years of October data.