Weather on April 15
Allentown, PA
55 Years of Data
Avg High
62°F
Avg Low
41°F
Warmest
2002
68°F avg
Coldest
1996
40°F avg
About This Date
April 15th in Allentown, PA typically brings mild spring weather, with average highs around 62°F and lows near 41°F. Over 55 years of records, the warmest April 15th was in 2002 (68°F average), while the coldest was 1996 (40°F) — a 28°F range across recorded history. Precipitation has occurred on 45% of recorded April 15th dates, with snow falling 2% of the time. The last decade has been 1.4°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.4°F warmer on this date compared to 20-30 years ago.
Planning for April 15th in Allentown, PA? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Warming Trend
1.4°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 67° | 45° | 56° | — | — |
| 2024 | 77° | 52° | 64° | — | — |
| 2023 | 70° | 54° | 62° | 3.1" | — |
| 2022 | 68° | 36° | 52° | — | — |
| 2021 | 58° | 42° | 50° | — | — |
| 2020 | 54° | 38° | 46° | 0.1" | — |
| 2019 | 73° | 45° | 59° | 1.52" | — |
| 2018 | 51° | 38° | 44° | 0.51" | — |
| 2017 | 66° | 41° | 54° | — | — |
| 2016 | 66° | 33° | 50° | — | — |
| 2015 | 70° | 39° | 54° | — | — |
| 2014 | 67° | 34° | 50° | 4.11" | 0.3" |
| 2013 | 62° | 45° | 53° | — | — |
| 2012 | 77° | 55° | 66° | 0.08" | — |
| 2011 | 58° | 41° | 49° | — | — |
| 2010 | 73° | 35° | 54° | — | — |
| 2009 | 54° | 36° | 45° | 0.15" | — |
| 2008 | 59° | 32° | 46° | — | — |
| 2007 | 45° | 40° | 42° | 7.29" | — |
| 2006 | 78° | 48° | 63° | — | — |
| 2005 | 59° | 36° | 47° | — | — |
| 2004 | 59° | 40° | 49° | — | — |
| 2003 | 82° | 41° | 62° | — | — |
| 2002warmest | 77° | 59° | 68° | 0.58" | — |
| 2001 | 66° | 37° | 52° | 0.69" | — |
| 2000 | 59° | 45° | 52° | 0.33" | — |
| 1999 | 66° | 34° | 50° | — | — |
| 1998 | 68° | 49° | 58° | 0.08" | — |
| 1997 | 59° | 30° | 45° | — | — |
| 1996coldest | 55° | 25° | 40° | 1.65" | — |
| 1995 | 57° | 37° | 47° | — | — |
| 1994 | 86° | 46° | 66° | — | — |
| 1993 | 62° | 50° | 56° | — | — |
| 1992 | 59° | 35° | 47° | — | — |
| 1991 | 50° | 42° | 46° | 0.97" | — |
| 1990 | 65° | 44° | 54° | 0.81" | — |
| 1989 | 50° | 42° | 46° | 0.76" | — |
| 1988 | 58° | 36° | 47° | 0.25" | — |
| 1987 | 57° | 48° | 53° | — | — |
| 1986 | 54° | 36° | 45° | 1.47" | — |
| 1985 | 61° | 49° | 55° | 0.03" | — |
| 1984 | 49° | 45° | 47° | 1.73" | — |
| 1983 | 63° | 48° | 55° | 2.67" | — |
| 1982 | 64° | 31° | 47° | — | — |
| 1981 | 50° | 33° | 42° | — | — |
| 1980 | 66° | 44° | 55° | 0.74" | — |
| 1979 | 58° | 42° | 50° | 0.03" | — |
| 1978 | 53° | 36° | 44° | — | — |
| 1977 | 69° | 34° | 51° | — | — |
| 1976 | 76° | 40° | 58° | — | — |
| 1975 | 49° | 40° | 44° | 0.1" | — |
| 1974 | 60° | 45° | 52° | — | — |
| 1973 | 65° | 28° | 46° | — | — |
| 1972 | 47° | 43° | 45° | 0.46" | — |
| 1971 | 53° | 29° | 41° | — | — |
55 years of data from ALLENTOWN LEHIGH VLY INTL AP