Weather on August 11
Allentown, PA
55 Years of Data
Avg High
83°F
Avg Low
64°F
Warmest
2016
84°F avg
Coldest
2008
61°F avg
About This Date
August 11th in Allentown, PA typically brings warm summer weather, with average highs around 83°F and lows near 64°F. Over 55 years of records, the warmest August 11th was in 2016 (84°F average), while the coldest was 2008 (61°F) — a 23°F range across recorded history. Rain or other precipitation has occurred on about 44% of August 11th dates historically, with the wettest August 11th recording 4.32" of rain. The last decade has been 1.6°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.6°F warmer on this date compared to 20-30 years ago.
Planning for August 11th in Allentown, PA? Stay hydrated and seek shade during peak afternoon hours. Consider bringing rain gear or an umbrella.
Warming Trend
0.4°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 88° | 57° | 72° | — | — |
| 2024 | 80° | 58° | 69° | — | — |
| 2023 | 83° | 61° | 72° | — | — |
| 2022 | 89° | 69° | 79° | — | — |
| 2021 | 92° | 68° | 80° | 0.25" | — |
| 2020 | 91° | 68° | 80° | — | — |
| 2019 | 83° | 56° | 69° | — | — |
| 2018 | 84° | 70° | 77° | 3.28" | — |
| 2017 | 82° | 65° | 73° | 3.02" | — |
| 2016warmest | 93° | 76° | 84° | 0.08" | — |
| 2015 | 84° | 67° | 75° | 1.42" | — |
| 2014 | 87° | 61° | 74° | — | — |
| 2013 | 81° | 57° | 69° | — | — |
| 2012 | 85° | 70° | 77° | 0.33" | — |
| 2011 | 80° | 60° | 70° | — | — |
| 2010 | 93° | 70° | 81° | — | — |
| 2009 | 87° | 70° | 78° | — | — |
| 2008coldest | 68° | 53° | 61° | 0.71" | — |
| 2007 | 84° | 58° | 71° | — | — |
| 2006 | 81° | 60° | 70° | — | — |
| 2005 | 92° | 68° | 80° | — | — |
| 2004 | 81° | 67° | 74° | 0.97" | — |
| 2003 | 82° | 71° | 77° | 3.02" | — |
| 2002 | 94° | 57° | 75° | — | — |
| 2001 | 76° | 65° | 70° | 2.95" | — |
| 2000 | 84° | 63° | 73° | 0.13" | — |
| 1999 | 90° | 60° | 75° | — | — |
| 1998 | 86° | 68° | 77° | — | — |
| 1997 | 88° | 59° | 73° | — | — |
| 1996 | 77° | 54° | 65° | — | — |
| 1995 | 89° | 65° | 77° | — | — |
| 1994 | 74° | 58° | 66° | — | — |
| 1993 | 78° | 64° | 71° | 0.66" | — |
| 1992 | 87° | 66° | 77° | 1.85" | — |
| 1991 | 79° | 61° | 70° | — | — |
| 1990 | 84° | 69° | 77° | — | — |
| 1989 | 68° | 59° | 64° | 0.18" | — |
| 1988 | 94° | 70° | 82° | — | — |
| 1987 | 81° | 58° | 69° | — | — |
| 1986 | 82° | 66° | 74° | — | — |
| 1985 | 84° | 67° | 75° | 0.2" | — |
| 1984 | 81° | 71° | 76° | 0.13" | — |
| 1983 | 86° | 69° | 78° | 4.19" | — |
| 1982 | 70° | 60° | 65° | 0.48" | — |
| 1981 | 91° | 64° | 78° | 0.25" | — |
| 1980 | 89° | 71° | 80° | 0.74" | — |
| 1979 | 72° | 60° | 66° | 0.3" | — |
| 1978 | 74° | 65° | 69° | 4.32" | — |
| 1977 | 89° | 70° | 79° | — | — |
| 1976 | 84° | 57° | 71° | — | — |
| 1975 | 84° | 68° | 76° | — | — |
| 1974 | 78° | 55° | 67° | — | — |
| 1973 | 86° | 70° | 78° | 0.76" | — |
| 1972 | 77° | 47° | 62° | — | — |
| 1971 | 85° | 71° | 78° | 0.18" | — |
55 years of data from ALLENTOWN LEHIGH VLY INTL AP