Weather on May 27
Allentown, PA
55 Years of Data
Avg High
76°F
Avg Low
54°F
Warmest
1991
79°F avg
Coldest
1973
50°F avg
About This Date
May 27th in Allentown, PA typically brings pleasant spring weather, with average highs around 76°F and lows near 54°F. Over 55 years of records, the warmest May 27th was in 1991 (79°F average), while the coldest was 1973 (50°F) — a 29°F range across recorded history. Rain or other precipitation has occurred on about 36% of May 27th dates historically, with the wettest May 27th recording 1.6" of rain. The last decade has been 6.7°F warmer on this date compared to 20-30 years ago.
The last decade has been 6.7°F warmer on this date compared to 20-30 years ago.
Planning for May 27th in Allentown, PA? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Warming Trend
1.7°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 72° | 48° | 60° | — | — |
| 2024 | 77° | 64° | 71° | 1.6" | — |
| 2023 | 81° | 43° | 62° | — | — |
| 2022 | 74° | 64° | 69° | 0.58" | — |
| 2021 | 82° | 59° | 71° | — | — |
| 2020 | 81° | 59° | 70° | — | — |
| 2019 | 83° | 61° | 72° | — | — |
| 2018 | 76° | 59° | 67° | — | — |
| 2017 | 75° | 52° | 63° | — | — |
| 2016 | 90° | 66° | 78° | 0.43" | — |
| 2015 | 88° | 63° | 75° | 0.33" | — |
| 2014 | 84° | 59° | 72° | 0.18" | — |
| 2013 | 72° | 39° | 55° | — | — |
| 2012 | 85° | 67° | 76° | 0.38" | — |
| 2011 | 85° | 62° | 73° | — | — |
| 2010 | 89° | 60° | 75° | 0.03" | — |
| 2009 | 66° | 48° | 57° | 0.05" | — |
| 2008 | 85° | 54° | 69° | 0.61" | — |
| 2007 | 89° | 61° | 75° | 1.6" | — |
| 2006 | 82° | 59° | 71° | — | — |
| 2005 | 81° | 48° | 64° | — | — |
| 2004 | 77° | 61° | 69° | 1.3" | — |
| 2003 | 64° | 47° | 55° | — | — |
| 2002 | 80° | 60° | 70° | — | — |
| 2001 | 67° | 55° | 61° | 1.3" | — |
| 2000 | 65° | 49° | 57° | — | — |
| 1999 | 72° | 47° | 59° | — | — |
| 1998 | 82° | 56° | 69° | — | — |
| 1997 | 66° | 46° | 56° | — | — |
| 1996 | 60° | 51° | 56° | 0.56" | — |
| 1995 | 78° | 55° | 67° | — | — |
| 1994 | 64° | 45° | 54° | — | — |
| 1993 | 75° | 51° | 63° | — | — |
| 1992 | 65° | 48° | 56° | — | — |
| 1991warmest | 91° | 66° | 79° | 1.42" | — |
| 1990 | 74° | 54° | 64° | — | — |
| 1989 | 74° | 55° | 64° | — | — |
| 1988 | 80° | 45° | 62° | — | — |
| 1987 | 62° | 54° | 58° | 0.08" | — |
| 1986 | 76° | 54° | 65° | — | — |
| 1985 | 88° | 59° | 73° | 0.25" | — |
| 1984 | 76° | 55° | 65° | — | — |
| 1983 | 68° | 48° | 58° | 0.53" | — |
| 1982 | 79° | 56° | 67° | — | — |
| 1981 | 83° | 61° | 72° | — | — |
| 1980 | 74° | 47° | 60° | — | — |
| 1979 | 67° | 47° | 57° | — | — |
| 1978 | 81° | 62° | 71° | — | — |
| 1977 | 86° | 51° | 69° | — | — |
| 1976 | 75° | 43° | 59° | — | — |
| 1975 | 81° | 63° | 72° | 0.08" | — |
| 1974 | 60° | 49° | 54° | 0.18" | — |
| 1973coldest | 54° | 47° | 50° | 0.66" | — |
| 1972 | 74° | 38° | 56° | — | — |
| 1971 | 65° | 44° | 54° | — | — |
55 years of data from ALLENTOWN LEHIGH VLY INTL AP