Climate averages 1991–2020
Pittsburgh weather
in October.
A mild, wet month: the 6th warmest and the joint 5th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
October is a mild month in Pittsburgh: daytime highs average 17.4°C and nights cool to about 8.4°C. By daytime temperature it is the 6th warmest of the 12 months.
Expect about 93 mm of rain on roughly 11 days, which makes October a wet month (the joint 5th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 10 min on an average October day.
The nearest other city in this atlas is Canton (Ohio), United States (123 km away). In October its highs average 16.4°C, 0.9°C cooler than Pittsburgh, with 80 mm of rain.
Among the 498 cities listed in the United States, Pittsburgh ranks joint 345th of 498 for the warmest October highs and joint 355th of 498 for the driest October (rainfall, lowest first). The mean October high of those 498 cities is 21.4°C; Pittsburgh is 4.0°C cooler than that mean.
From October to November, average highs fall by 6.8°C to 10.6°C, and monthly rainfall falls from 93 mm to 88 mm.
The annual picture
October in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Pittsburgh climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 2.8°C-5.5°C | -5.5°C | 92 | 12.0 | 9.610 h |
| February | 4.8°C-4.7°C | -4.7°C | 80 | 10.9 | 10.611 h |
| March | 9.9°C-0.5°C | -0.5°C | 108 | 12.9 | 11.912 h |
| April | 16.6°C5.5°C | 5.5°C | 119 | 13.8 | 13.313 h |
| May | 21.6°C11.3°C | 11.3°C | 123 | 14.3 | 14.414 h |
| June | 26.0°C16.2°C | 16.2°C | 126 | 13.6 | 15.015 h |
| July | 28.2°C18.6°C | 18.6°C | 116 | 14.0 | 14.815 h |
| August | 27.5°C17.9°C | 17.9°C | 93 | 11.9 | 13.814 h |
| September | 23.9°C14.4°C | 14.4°C | 101 | 10.4 | 12.513 h |
| October, selected | 17.4°C8.4°C | 8.4°C | 93 | 10.7 | 11.211 h |
| November | 10.6°C2.6°C | 2.6°C | 88 | 10.0 | 10.010 h |
| December | 5.1°C-2.1°C | -2.1°C | 89 | 11.6 | 9.39 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
October in nearby cities
- Canton (Ohio), United States in OctoberUnited States · 123 kmHigh 16.4°C · Low 7.9°C · 80 mm rain
- Akron in OctoberUnited States · 147 kmHigh 16.4°C · Low 8.0°C · 82 mm rain
- Parma, United States in OctoberUnited States · 180 kmHigh 16.0°C · Low 8.9°C · 87 mm rain
- Cleveland in OctoberUnited States · 185 kmHigh 16.0°C · Low 9.2°C · 87 mm rain
- Erie in OctoberUnited States · 188 kmHigh 14.8°C · Low 9.5°C · 125 mm rain
- Columbus in OctoberUnited States · 261 kmHigh 17.5°C · Low 8.3°C · 74 mm rain
- Germantown in OctoberUnited States · 272 kmHigh 18.6°C · Low 9.7°C · 87 mm rain
- Centreville in OctoberUnited States · 283 kmHigh 19.0°C · Low 10.5°C · 85 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Pittsburgh) is explained once on the Pittsburgh year overview and on the Sources, method and limits page.