Weather on May 26
Allentown, PA
55 Years of Data
Avg High
75°F
Avg Low
54°F
Warmest
2018
77°F avg
Coldest
1992
51°F avg
About This Date
May 26th in Allentown, PA typically brings pleasant spring weather, with average highs around 75°F and lows near 54°F. Over 55 years of records, the warmest May 26th was in 2018 (77°F average), while the coldest was 1992 (51°F) — a 26°F range across recorded history. Rain or other precipitation has occurred on about 38% of May 26th dates historically, with the wettest May 26th recording 3.56" of rain. The last decade has been 9.4°F warmer on this date compared to 20-30 years ago.
The last decade has been 9.4°F warmer on this date compared to 20-30 years ago.
Planning for May 26th in Allentown, PA? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Warming Trend
1.6°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 73° | 44° | 59° | — | — |
| 2024 | 85° | 62° | 73° | — | — |
| 2023 | 75° | 42° | 59° | — | — |
| 2022 | 72° | 54° | 63° | — | — |
| 2021 | 91° | 61° | 76° | 0.23" | — |
| 2020 | 84° | 58° | 71° | — | — |
| 2019 | 88° | 63° | 75° | 0.08" | — |
| 2018warmest | 90° | 64° | 77° | — | — |
| 2017 | 74° | 58° | 66° | 0.1" | — |
| 2016 | 90° | 56° | 73° | — | — |
| 2015 | 90° | 59° | 74° | — | — |
| 2014 | 85° | 52° | 68° | — | — |
| 2013 | 69° | 43° | 56° | — | — |
| 2012 | 86° | 62° | 74° | 1.35" | — |
| 2011 | 89° | 63° | 76° | 0.18" | — |
| 2010 | 92° | 60° | 76° | — | — |
| 2009 | 61° | 48° | 54° | 0.36" | — |
| 2008 | 83° | 44° | 63° | — | — |
| 2007 | 85° | 62° | 73° | — | — |
| 2006 | 78° | 54° | 66° | 0.76" | — |
| 2005 | 65° | 52° | 58° | 0.03" | — |
| 2004 | 67° | 59° | 63° | 1.14" | — |
| 2003 | 59° | 48° | 54° | 3.33" | — |
| 2002 | 74° | 55° | 64° | 0.03" | — |
| 2001 | 60° | 54° | 57° | 3.56" | — |
| 2000 | 74° | 49° | 61° | — | — |
| 1999 | 69° | 49° | 59° | — | — |
| 1998 | 80° | 56° | 68° | — | — |
| 1997 | 70° | 50° | 60° | 0.03" | — |
| 1996 | 63° | 45° | 54° | 0.05" | — |
| 1995 | 65° | 56° | 60° | 0.2" | — |
| 1994 | 77° | 62° | 70° | 0.15" | — |
| 1993 | 74° | 55° | 64° | — | — |
| 1992coldest | 54° | 49° | 51° | 0.81" | — |
| 1991 | 82° | 68° | 75° | — | — |
| 1990 | 61° | 55° | 58° | 0.58" | — |
| 1989 | 80° | 60° | 70° | — | — |
| 1988 | 70° | 43° | 56° | — | — |
| 1987 | 62° | 55° | 59° | — | — |
| 1986 | 78° | 57° | 68° | — | — |
| 1985 | 87° | 54° | 70° | — | — |
| 1984 | 84° | 59° | 72° | 0.2" | — |
| 1983 | 67° | 55° | 61° | 0.69" | — |
| 1982 | 79° | 51° | 65° | — | — |
| 1981 | 86° | 63° | 74° | 0.94" | — |
| 1980 | 73° | 50° | 62° | — | — |
| 1979 | 65° | 51° | 58° | — | — |
| 1978 | 87° | 58° | 72° | — | — |
| 1977 | 85° | 60° | 72° | — | — |
| 1976 | 58° | 47° | 52° | — | — |
| 1975 | 69° | 54° | 61° | — | — |
| 1974 | 67° | 50° | 58° | — | — |
| 1973 | 61° | 50° | 55° | — | — |
| 1972 | 67° | 41° | 54° | — | — |
| 1971 | 67° | 48° | 57° | — | — |
55 years of data from ALLENTOWN LEHIGH VLY INTL AP