Weather on August 25
Allentown, PA
55 Years of Data
Avg High
82°F
Avg Low
60°F
Warmest
2007
82°F avg
Coldest
1987
59°F avg
About This Date
August 25th in Allentown, PA typically brings warm summer weather, with average highs around 82°F and lows near 60°F. Over 55 years of records, the warmest August 25th was in 2007 (82°F average), while the coldest was 1987 (59°F) — a 23°F range across recorded history. Rain or other precipitation has occurred on about 22% of August 25th dates historically, with the wettest August 25th recording 3.12" of rain. The last decade has been 2.3°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.3°F warmer on this date compared to 20-30 years ago.
Planning for August 25th in Allentown, PA? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
0.4°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 82° | 59° | 71° | 0.03" | — |
| 2024 | 85° | 57° | 71° | — | — |
| 2023 | 82° | 66° | 74° | 1.07" | — |
| 2022 | 89° | 61° | 75° | — | — |
| 2021 | 91° | 65° | 78° | — | — |
| 2020 | 87° | 66° | 77° | — | — |
| 2019 | 78° | 58° | 68° | — | — |
| 2018 | 81° | 58° | 69° | — | — |
| 2017 | 77° | 58° | 67° | — | — |
| 2016 | 84° | 62° | 73° | — | — |
| 2015 | 83° | 59° | 71° | — | — |
| 2014 | 86° | 55° | 71° | — | — |
| 2013 | 80° | 50° | 65° | — | — |
| 2012 | 83° | 66° | 74° | — | — |
| 2011 | 81° | 68° | 74° | 1.78" | — |
| 2010 | 74° | 61° | 67° | — | — |
| 2009 | 84° | 60° | 72° | — | — |
| 2008 | 81° | 61° | 71° | — | — |
| 2007warmest | 94° | 71° | 82° | 0.91" | — |
| 2006 | 83° | 63° | 73° | 0.53" | — |
| 2005 | 82° | 51° | 67° | — | — |
| 2004 | 80° | 61° | 70° | — | — |
| 2003 | 86° | 58° | 72° | — | — |
| 2002 | 85° | 60° | 72° | — | — |
| 2001 | 80° | 56° | 68° | — | — |
| 2000 | 80° | 55° | 68° | — | — |
| 1999 | 83° | 60° | 71° | 0.18" | — |
| 1998 | 85° | 65° | 75° | 0.08" | — |
| 1997 | 78° | 57° | 68° | — | — |
| 1996 | 83° | 56° | 69° | — | — |
| 1995 | 81° | 58° | 69° | — | — |
| 1994 | 81° | 53° | 67° | — | — |
| 1993 | 92° | 71° | 81° | 0.69" | — |
| 1992 | 88° | 63° | 75° | — | — |
| 1991 | 77° | 62° | 70° | — | — |
| 1990 | 86° | 64° | 75° | 0.15" | — |
| 1989 | 77° | 53° | 65° | — | — |
| 1988 | 81° | 59° | 70° | — | — |
| 1987coldest | 72° | 47° | 59° | — | — |
| 1986 | 71° | 53° | 62° | — | — |
| 1985 | 71° | 63° | 67° | 2.82" | — |
| 1984 | 81° | 56° | 68° | — | — |
| 1983 | 85° | 60° | 72° | — | — |
| 1982 | 82° | 58° | 70° | 3.12" | — |
| 1981 | 79° | 55° | 67° | — | — |
| 1980 | 92° | 64° | 78° | — | — |
| 1979 | 85° | 72° | 78° | 0.3" | — |
| 1978 | 73° | 57° | 65° | — | — |
| 1977 | 75° | 53° | 64° | — | — |
| 1976 | 86° | 62° | 74° | — | — |
| 1975 | 89° | 72° | 80° | — | — |
| 1974 | 80° | 59° | 70° | — | — |
| 1973 | 84° | 56° | 70° | — | — |
| 1972 | 93° | 67° | 80° | — | — |
| 1971 | 81° | 45° | 63° | — | — |
55 years of data from ALLENTOWN LEHIGH VLY INTL AP