Weather on October 31
Allentown, PA
55 Years of Data
Avg High
59°F
Avg Low
38°F
Warmest
2019
64°F avg
Coldest
1988
34°F avg
About This Date
October 31st in Allentown, PA typically brings cool fall weather, with average highs around 59°F and lows near 38°F. Over 55 years of records, the warmest October 31st was in 2019 (64°F average), while the coldest was 1988 (34°F) — a 30°F range across recorded history. Rain or other precipitation has occurred on about 20% of October 31st dates historically, with the wettest October 31st recording 4.95" of rain. Temperatures on this date have remained relatively stable over the past several decades.
Temperatures on this date have remained relatively stable over the past several decades.
Planning for October 31st in Allentown, PA? Bring layers as temperatures can vary throughout the day.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 56° | 46° | 51° | — | — |
| 2024 | 82° | 45° | 63° | — | — |
| 2023 | 51° | 36° | 43° | — | — |
| 2022 | 61° | 37° | 49° | 0.2" | — |
| 2021 | 63° | 47° | 55° | 1.19" | — |
| 2020 | 46° | 26° | 36° | — | — |
| 2019warmest | 75° | 53° | 64° | 4.95" | — |
| 2018 | 69° | 34° | 51° | — | — |
| 2017 | 55° | 34° | 44° | — | — |
| 2016 | 55° | 33° | 44° | — | — |
| 2015 | 55° | 29° | 42° | — | — |
| 2014 | 54° | 29° | 42° | — | — |
| 2013 | 65° | 44° | 54° | 0.1" | — |
| 2012 | 45° | 41° | 43° | — | — |
| 2011 | 50° | 25° | 37° | — | — |
| 2010 | 55° | 31° | 43° | — | — |
| 2009 | 67° | 54° | 60° | 0.3" | — |
| 2008 | 61° | 27° | 44° | — | — |
| 2007 | 66° | 34° | 50° | — | — |
| 2006 | 72° | 34° | 53° | — | — |
| 2005 | 67° | 34° | 50° | — | — |
| 2004 | 71° | 50° | 61° | — | — |
| 2003 | 69° | 37° | 53° | — | — |
| 2002 | 49° | 33° | 41° | — | — |
| 2001 | 46° | 34° | 40° | — | — |
| 2000 | 59° | 36° | 47° | — | — |
| 1999 | 71° | 42° | 57° | — | — |
| 1998 | 55° | 36° | 45° | — | — |
| 1997 | 64° | 32° | 48° | — | — |
| 1996 | 58° | 45° | 51° | — | — |
| 1995 | 56° | 46° | 51° | 0.08" | — |
| 1994 | 71° | 42° | 57° | — | — |
| 1993 | 43° | 39° | 41° | 1.93" | — |
| 1992 | 47° | 41° | 44° | 0.05" | — |
| 1991 | 64° | 43° | 53° | — | — |
| 1990 | 66° | 40° | 53° | — | — |
| 1989 | 68° | 58° | 63° | 1.02" | — |
| 1988coldest | 47° | 21° | 34° | — | — |
| 1987 | 61° | 35° | 48° | — | — |
| 1986 | 51° | 31° | 41° | — | — |
| 1985 | 53° | 46° | 50° | — | — |
| 1984 | 70° | 53° | 61° | — | — |
| 1983 | 56° | 25° | 40° | — | — |
| 1982 | 65° | 46° | 55° | — | — |
| 1981 | 51° | 45° | 48° | — | — |
| 1980 | 59° | 31° | 45° | — | — |
| 1979 | 56° | 31° | 43° | — | — |
| 1978 | 63° | 34° | 48° | — | — |
| 1977 | 57° | 35° | 46° | — | — |
| 1976 | 57° | 44° | 51° | 1.55" | — |
| 1975 | 49° | 28° | 38° | — | — |
| 1974 | 70° | 53° | 61° | — | — |
| 1973 | 58° | 37° | 47° | — | — |
| 1972 | 45° | 28° | 36° | — | — |
| 1971 | 61° | 54° | 57° | 0.89" | — |
55 years of data from ALLENTOWN LEHIGH VLY INTL AP