Weather on August 9
Allentown, PA
55 Years of Data
Avg High
85°F
Avg Low
64°F
Warmest
2022
84°F avg
Coldest
1989
64°F avg
About This Date
August 9th in Allentown, PA typically brings warm summer weather, with average highs around 85°F and lows near 64°F. Over 55 years of records, the warmest August 9th was in 2022 (84°F average), while the coldest was 1989 (64°F) — a 20°F range across recorded history. Rain or other precipitation has occurred on about 35% of August 9th dates historically, with the wettest August 9th recording 7.65" of rain. The last decade has been 1.2°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.2°F warmer on this date compared to 20-30 years ago.
Planning for August 9th in Allentown, PA? Stay hydrated and seek shade during peak afternoon hours. Consider bringing rain gear or an umbrella.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 85° | 54° | 69° | — | — |
| 2024 | 83° | 70° | 76° | 2.24" | — |
| 2023 | 84° | 61° | 72° | — | — |
| 2022warmest | 95° | 73° | 84° | 0.1" | — |
| 2021 | 90° | 62° | 76° | — | — |
| 2020 | 87° | 65° | 76° | — | — |
| 2019 | 85° | 64° | 74° | — | — |
| 2018 | 87° | 69° | 78° | — | — |
| 2017 | 84° | 56° | 70° | — | — |
| 2016 | 88° | 59° | 73° | — | — |
| 2015 | 85° | 63° | 74° | — | — |
| 2014 | 86° | 55° | 71° | — | — |
| 2013 | 85° | 72° | 78° | 4.34" | — |
| 2012 | 88° | 66° | 77° | 0.71" | — |
| 2011 | 83° | 67° | 75° | 0.53" | — |
| 2010 | 92° | 64° | 78° | — | — |
| 2009 | 80° | 66° | 73° | 1.3" | — |
| 2008 | 80° | 58° | 69° | — | — |
| 2007 | 88° | 66° | 77° | 0.03" | — |
| 2006 | 82° | 56° | 69° | — | — |
| 2005 | 80° | 66° | 73° | 0.64" | — |
| 2004 | 83° | 55° | 69° | — | — |
| 2003 | 81° | 73° | 77° | 2.06" | — |
| 2002 | 84° | 51° | 68° | — | — |
| 2001 | 98° | 66° | 82° | — | — |
| 2000 | 86° | 74° | 80° | 0.23" | — |
| 1999 | 79° | 55° | 67° | — | — |
| 1998 | 88° | 72° | 80° | — | — |
| 1997 | 86° | 56° | 71° | — | — |
| 1996 | 75° | 63° | 69° | 0.36" | — |
| 1995 | 82° | 55° | 69° | — | — |
| 1994 | 85° | 58° | 71° | — | — |
| 1993 | 85° | 60° | 72° | — | — |
| 1992 | 84° | 69° | 77° | 0.38" | — |
| 1991 | 77° | 69° | 73° | 2.95" | — |
| 1990 | 76° | 63° | 69° | 0.3" | — |
| 1989coldest | 77° | 50° | 64° | — | — |
| 1988 | 91° | 62° | 77° | — | — |
| 1987 | 79° | 67° | 73° | 7.65" | — |
| 1986 | 85° | 66° | 75° | — | — |
| 1985 | 87° | 65° | 76° | — | — |
| 1984 | 85° | 73° | 79° | 1.42" | — |
| 1983 | 90° | 69° | 79° | — | — |
| 1982 | 84° | 66° | 75° | 5.49" | — |
| 1981 | 85° | 67° | 76° | — | — |
| 1980 | 92° | 75° | 83° | — | — |
| 1979 | 86° | 66° | 76° | — | — |
| 1978 | 84° | 65° | 74° | — | — |
| 1977 | 87° | 70° | 78° | — | — |
| 1976 | 74° | 68° | 71° | 2.11" | — |
| 1975 | 84° | 57° | 71° | — | — |
| 1974 | 79° | 65° | 72° | 3.51" | — |
| 1973 | 90° | 73° | 81° | — | — |
| 1972 | 85° | 60° | 72° | — | — |
| 1971 | 89° | 66° | 78° | — | — |
55 years of data from ALLENTOWN LEHIGH VLY INTL AP