Weather on August 19
Allentown, PA
55 Years of Data
Avg High
82°F
Avg Low
61°F
Warmest
2015
81°F avg
Coldest
1977
62°F avg
About This Date
August 19th in Allentown, PA typically brings warm summer weather, with average highs around 82°F and lows near 61°F. Over 55 years of records, the warmest August 19th was in 2015 (81°F average), while the coldest was 1977 (62°F) — a 19°F range across recorded history. Rain or other precipitation has occurred on about 24% of August 19th dates historically, with the wettest August 19th recording 1.07" of rain. The last decade has been 3.4°F warmer on this date compared to 20-30 years ago.
The last decade has been 3.4°F warmer on this date compared to 20-30 years ago.
Planning for August 19th in Allentown, PA? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
0.5°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 77° | 60° | 69° | — | — |
| 2024 | 81° | 63° | 72° | 0.03" | — |
| 2023 | 76° | 57° | 66° | — | — |
| 2022 | 91° | 57° | 74° | — | — |
| 2021 | 86° | 72° | 79° | — | — |
| 2020 | 80° | 62° | 71° | 1.07" | — |
| 2019 | 92° | 68° | 80° | — | — |
| 2018 | 73° | 68° | 71° | — | — |
| 2017 | 85° | 65° | 75° | 0.08" | — |
| 2016 | 90° | 68° | 79° | — | — |
| 2015warmest | 90° | 73° | 81° | — | — |
| 2014 | 85° | 54° | 69° | — | — |
| 2013 | 76° | 59° | 67° | — | — |
| 2012 | 75° | 53° | 64° | — | — |
| 2011 | 86° | 62° | 74° | 0.28" | — |
| 2010 | 87° | 58° | 72° | — | — |
| 2009 | 89° | 67° | 78° | 0.48" | — |
| 2008 | 81° | 56° | 68° | — | — |
| 2007 | 67° | 58° | 62° | 0.53" | — |
| 2006 | 83° | 64° | 73° | 0.08" | — |
| 2005 | 76° | 70° | 73° | 0.64" | — |
| 2004 | 82° | 66° | 74° | — | — |
| 2003 | 84° | 60° | 72° | — | — |
| 2002 | 92° | 68° | 80° | — | — |
| 2001 | 82° | 61° | 71° | — | — |
| 2000 | 75° | 53° | 64° | — | — |
| 1999 | 84° | 59° | 72° | — | — |
| 1998 | 72° | 52° | 62° | — | — |
| 1997 | 76° | 51° | 63° | — | — |
| 1996 | 85° | 57° | 71° | — | — |
| 1995 | 85° | 64° | 74° | — | — |
| 1994 | 84° | 68° | 76° | — | — |
| 1993 | 85° | 64° | 74° | — | — |
| 1992 | 77° | 57° | 67° | — | — |
| 1991 | 82° | 68° | 75° | 1.04" | — |
| 1990 | 86° | 56° | 71° | 0.15" | — |
| 1989 | 69° | 64° | 67° | 0.81" | — |
| 1988 | 72° | 60° | 66° | — | — |
| 1987 | 87° | 60° | 74° | 0.05" | — |
| 1986 | 84° | 65° | 74° | — | — |
| 1985 | 82° | 66° | 74° | — | — |
| 1984 | 75° | 60° | 68° | — | — |
| 1983 | 90° | 69° | 79° | — | — |
| 1982 | 82° | 55° | 69° | — | — |
| 1981 | 79° | 48° | 63° | — | — |
| 1980 | 84° | 66° | 75° | — | — |
| 1979 | 82° | 63° | 72° | — | — |
| 1978 | 88° | 59° | 73° | — | — |
| 1977coldest | 73° | 51° | 62° | — | — |
| 1976 | 77° | 56° | 66° | — | — |
| 1975 | 78° | 57° | 68° | — | — |
| 1974 | 84° | 63° | 73° | — | — |
| 1973 | 83° | 62° | 72° | 0.64" | — |
| 1972 | 85° | 61° | 73° | — | — |
| 1971 | 81° | 63° | 72° | — | — |
55 years of data from ALLENTOWN LEHIGH VLY INTL AP