Weather on August 17
Allentown, PA
55 Years of Data
Avg High
83°F
Avg Low
63°F
Warmest
1995
82°F avg
Coldest
1979
60°F avg
About This Date
August 17th in Allentown, PA typically brings warm summer weather, with average highs around 83°F and lows near 63°F. Over 55 years of records, the warmest August 17th was in 1995 (82°F average), while the coldest was 1979 (60°F) — a 22°F range across recorded history. Rain or other precipitation has occurred on about 38% of August 17th dates historically, with the wettest August 17th recording 7.42" of rain. The last decade has been 2.6°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.6°F warmer on this date compared to 20-30 years ago.
Planning for August 17th in Allentown, PA? Stay hydrated and seek shade during peak afternoon hours. Consider bringing rain gear or an umbrella.
Warming Trend
1.0°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 92° | 70° | 81° | 0.74" | — |
| 2024 | 76° | 69° | 72° | 0.18" | — |
| 2023 | 86° | 65° | 75° | — | — |
| 2022 | 82° | 59° | 71° | — | — |
| 2021 | 83° | 70° | 76° | 0.1" | — |
| 2020 | 83° | 57° | 70° | 0.64" | — |
| 2019 | 89° | 72° | 80° | — | — |
| 2018 | 91° | 71° | 81° | 0.41" | — |
| 2017 | 87° | 63° | 75° | — | — |
| 2016 | 86° | 74° | 80° | 0.03" | — |
| 2015 | 93° | 67° | 80° | — | — |
| 2014 | 81° | 56° | 68° | 0.15" | — |
| 2013 | 82° | 54° | 68° | — | — |
| 2012 | 88° | 60° | 74° | 1.98" | — |
| 2011 | 86° | 57° | 72° | — | — |
| 2010 | 85° | 64° | 74° | — | — |
| 2009 | 90° | 65° | 77° | — | — |
| 2008 | 84° | 56° | 70° | — | — |
| 2007 | 87° | 63° | 75° | 0.05" | — |
| 2006 | 87° | 58° | 72° | — | — |
| 2005 | 87° | 60° | 74° | — | — |
| 2004 | 81° | 56° | 68° | — | — |
| 2003 | 84° | 65° | 74° | — | — |
| 2002 | 95° | 69° | 82° | — | — |
| 2001 | 85° | 62° | 73° | — | — |
| 2000 | 74° | 58° | 66° | — | — |
| 1999 | 91° | 62° | 77° | — | — |
| 1998 | 75° | 67° | 71° | 1.45" | — |
| 1997 | 87° | 68° | 78° | 0.18" | — |
| 1996 | 83° | 61° | 72° | — | — |
| 1995warmest | 92° | 72° | 82° | — | — |
| 1994 | 72° | 67° | 69° | 4.55" | — |
| 1993 | 75° | 67° | 71° | 7.09" | — |
| 1992 | 67° | 63° | 65° | 0.91" | — |
| 1991 | 88° | 65° | 76° | — | — |
| 1990 | 89° | 64° | 77° | — | — |
| 1989 | 83° | 64° | 73° | — | — |
| 1988 | 86° | 61° | 73° | 1.14" | — |
| 1987 | 91° | 70° | 80° | 1.14" | — |
| 1986 | 86° | 69° | 78° | 1.14" | — |
| 1985 | 83° | 59° | 71° | — | — |
| 1984 | 83° | 66° | 74° | — | — |
| 1983 | 87° | 60° | 74° | — | — |
| 1982 | 84° | 61° | 72° | 0.13" | — |
| 1981 | 77° | 54° | 65° | — | — |
| 1980 | 82° | 56° | 69° | — | — |
| 1979coldest | 73° | 46° | 60° | — | — |
| 1978 | 87° | 69° | 78° | — | — |
| 1977 | 80° | 65° | 72° | 0.41" | — |
| 1976 | 82° | 55° | 69° | — | — |
| 1975 | 77° | 64° | 71° | 0.3" | — |
| 1974 | 76° | 66° | 71° | 7.42" | — |
| 1973 | 82° | 68° | 75° | — | — |
| 1972 | 64° | 59° | 62° | — | — |
| 1971 | 84° | 55° | 70° | — | — |
55 years of data from ALLENTOWN LEHIGH VLY INTL AP