Pittsburgh weather in October
October in Pittsburgh: nice, rainy, with clean air — a great time to visit.
#6 of 12 months in Pittsburgh · #294 of 604 destinations to visit in October · comfort 77/100 (tier B)
Updated June 2026 · climate normals from ERA5 reanalysis
Pittsburgh climate normals — October
| Daytime high | 19°C / 65°F | 😎 nice |
|---|---|---|
| Nighttime low | 10°C / 50°F | |
| Feels like (high) | 17°C / 63°F | |
| Rainfall | 114 mm / 4.5 in | 🌧 rainy |
| Rainy days | 12 days | |
| Humidity | 71% | 💧 humid |
| Dew point | 7°C / 44°F | |
| Sunshine | 6.8 h/day | |
| Daylight | 11.1 h | |
| Wind | 15 km/h / 9 mph | |
| Air quality (US AQI) | 35 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Pittsburgh in October — FAQ
- Is October a good time to visit Pittsburgh?
- October in Pittsburgh: nice, rainy, with clean air — a great time to visit. It ranks #6 of 12 months for Pittsburgh on SeasonMap's comfort score (77/100).
- What is the weather like in Pittsburgh in October?
- In October, Pittsburgh averages a daily high of 18.6°C and a low of 9.9°C, with about 113.5 mm of rain over roughly 12 rainy days.
- What is the air quality in Pittsburgh in October?
- Pittsburgh has a mean US Air Quality Index of about 35 in October.