Weather on August 23
Allentown, PA
55 Years of Data
Avg High
81°F
Avg Low
59°F
Warmest
2021
79°F avg
Coldest
1988
62°F avg
About This Date
August 23rd in Allentown, PA typically brings warm summer weather, with average highs around 81°F and lows near 59°F. Over 55 years of records, the warmest August 23rd was in 2021 (79°F average), while the coldest was 1988 (62°F) — a 17°F range across recorded history. Rain or other precipitation has occurred on about 29% of August 23rd dates historically, with the wettest August 23rd recording 2.39" 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 August 23rd in Allentown, PA? Stay hydrated and seek shade during peak afternoon hours.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 82° | 55° | 69° | — | — |
| 2024 | 79° | 50° | 64° | — | — |
| 2023 | 77° | 54° | 65° | — | — |
| 2022 | 85° | 65° | 75° | — | — |
| 2021warmest | 87° | 71° | 79° | 2.39" | — |
| 2020 | 88° | 67° | 77° | — | — |
| 2019 | 77° | 59° | 68° | 0.2" | — |
| 2018 | 79° | 60° | 69° | — | — |
| 2017 | 81° | 60° | 70° | — | — |
| 2016 | 81° | 52° | 66° | — | — |
| 2015 | 82° | 55° | 69° | — | — |
| 2014 | 72° | 62° | 67° | 0.58" | — |
| 2013 | 80° | 57° | 69° | — | — |
| 2012 | 86° | 59° | 73° | — | — |
| 2011 | 78° | 52° | 65° | — | — |
| 2010 | 79° | 60° | 69° | 0.89" | — |
| 2009 | 84° | 67° | 75° | — | — |
| 2008 | 82° | 55° | 69° | — | — |
| 2007 | 78° | 62° | 70° | — | — |
| 2006 | 85° | 58° | 71° | — | — |
| 2005 | 81° | 55° | 68° | — | — |
| 2004 | 81° | 52° | 66° | — | — |
| 2003 | 82° | 60° | 71° | — | — |
| 2002 | 85° | 68° | 76° | 0.3" | — |
| 2001 | 76° | 58° | 67° | 1.24" | — |
| 2000 | 73° | 61° | 67° | 0.41" | — |
| 1999 | 84° | 51° | 68° | — | — |
| 1998 | 85° | 65° | 75° | 0.03" | — |
| 1997 | 73° | 53° | 63° | — | — |
| 1996 | 91° | 61° | 76° | 0.56" | — |
| 1995 | 83° | 56° | 69° | — | — |
| 1994 | 78° | 52° | 65° | — | — |
| 1993 | 84° | 58° | 71° | — | — |
| 1992 | 83° | 54° | 68° | — | — |
| 1991 | 86° | 60° | 73° | — | — |
| 1990 | 69° | 63° | 66° | 0.03" | — |
| 1989 | 88° | 67° | 77° | 0.2" | — |
| 1988coldest | 72° | 52° | 62° | 1.12" | — |
| 1987 | 74° | 55° | 64° | — | — |
| 1986 | 80° | 58° | 69° | 0.86" | — |
| 1985 | 78° | 50° | 64° | — | — |
| 1984 | 82° | 65° | 73° | 1.6" | — |
| 1983 | 85° | 66° | 75° | — | — |
| 1982 | 76° | 57° | 66° | — | — |
| 1981 | 84° | 51° | 68° | — | — |
| 1980 | 88° | 68° | 78° | 0.08" | — |
| 1979 | 79° | 58° | 68° | — | — |
| 1978 | 87° | 54° | 70° | — | — |
| 1977 | 80° | 59° | 70° | — | — |
| 1976 | 89° | 65° | 77° | — | — |
| 1975 | 74° | 54° | 64° | — | — |
| 1974 | 85° | 70° | 77° | 2.26" | — |
| 1973 | 76° | 50° | 63° | — | — |
| 1972 | 87° | 59° | 73° | — | — |
| 1971 | 75° | 54° | 64° | — | — |
55 years of data from ALLENTOWN LEHIGH VLY INTL AP