Weather on October 31
Pittsburgh, PA
55 Years of Data
Avg High
60°F
Avg Low
42°F
Warmest
1971
67°F avg
Coldest
1993
34°F avg
About This Date
October 31st in Pittsburgh, PA typically brings mild fall weather, with average highs around 60°F and lows near 42°F. Over 43 years of records, the warmest October 31st was in 1971 (67°F average), while the coldest was 1993 (34°F) — a 33°F range across recorded history. Precipitation has occurred on 37% of recorded October 31st dates, with snow falling 2% of the time (heaviest snowfall: 1.7"). The last decade has been 3.3°F cooler on this date compared to 20-30 years ago.
The last decade has been 3.3°F cooler on this date compared to 20-30 years ago.
Planning for October 31st in Pittsburgh, PA? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Cooling Trend
0.4°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 51° | 39° | 45° | 0.03" | — |
| 2024 | 77° | 56° | 66° | — | — |
| 2023 | 43° | 35° | 39° | — | — |
| 2022 | 63° | 49° | 56° | 0.76" | — |
| 2021 | 59° | 50° | 55° | 0.08" | — |
| 2020 | 50° | 28° | 39° | — | — |
| 2019 | 71° | 36° | 53° | 2.95" | — |
| 2018 | 70° | 48° | 59° | 0.48" | — |
| 2017 | 46° | 33° | 40° | — | — |
| 2016 | 52° | 40° | 46° | — | — |
| 2015 | 59° | 44° | 52° | — | — |
| 2014 | 47° | 41° | 44° | 0.64" | — |
| 2013 | 67° | 57° | 62° | 0.46" | — |
| 2012 | 41° | 35° | 38° | 1.14" | — |
| 2011 | 51° | 34° | 42° | 0.15" | — |
| 2010 | 51° | 38° | 44° | — | — |
| 2009 | 69° | 47° | 58° | 0.28" | — |
| 2008 | 65° | 36° | 50° | — | — |
| 2007 | 67° | 34° | 50° | — | — |
| 2006 | 67° | 49° | 58° | 0.33" | — |
| 2005 | 66° | 36° | 51° | — | — |
| 2004 | 65° | 50° | 57° | — | — |
| 2003 | 75° | 54° | 64° | — | — |
| 2002 | 47° | 35° | 41° | — | — |
| 2001 | 69° | 48° | 59° | — | — |
| 2000 | 57° | 36° | 46° | — | — |
| 1999 | 74° | 49° | 61° | — | — |
| 1998 | 62° | 41° | 52° | — | — |
| 1997 | 69° | 40° | 54° | — | — |
| 1996 | 58° | 35° | 46° | — | — |
| 1995 | 58° | 49° | 53° | 0.1" | — |
| 1994 | 50° | 47° | 48° | — | — |
| 1993coldest | 36° | 33° | 34° | 0.97" | 1.7" |
| 1992 | 50° | 43° | 46° | 0.03" | — |
| 1991 | 73° | 46° | 60° | — | — |
| 1978 | 70° | 38° | 54° | — | — |
| 1977 | 60° | 44° | 52° | — | — |
| 1976 | 52° | 38° | 45° | 0.76" | — |
| 1975 | 52° | 26° | 39° | — | — |
| 1974 | 77° | 57° | 67° | — | — |
| 1973 | 52° | 44° | 48° | 0.79" | — |
| 1972 | 51° | 34° | 42° | — | — |
| 1971warmest | 78° | 55° | 67° | — | — |
43 years of data from PITTSBURGH WSO CITY