Weather on April 9
Allentown, PA
55 Years of Data
Avg High
57°F
Avg Low
35°F
Warmest
1991
70°F avg
Coldest
1982
31°F avg
About This Date
April 9th in Allentown, PA typically brings cool spring weather, with average highs around 57°F and lows near 35°F. Over 56 years of records, the warmest April 9th was in 1991 (70°F average), while the coldest was 1982 (31°F) — a 39°F range across recorded history. Precipitation has occurred on 43% of recorded April 9th dates, with snow falling 5% of the time (heaviest snowfall: 3.7"). Temperatures on this date have remained relatively stable over the past several decades.
Temperatures on this date have remained relatively stable over the past several decades.
Planning for April 9th in Allentown, PA? Bring layers as temperatures can vary throughout the day. Consider bringing rain gear or an umbrella.
Warming Trend
1.1°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 60° | 27° | 43° | — | — |
| 2025 | 48° | 27° | 38° | — | — |
| 2024 | 77° | 38° | 57° | — | — |
| 2023 | 59° | 26° | 43° | — | — |
| 2022 | 56° | 38° | 47° | 0.48" | — |
| 2021 | 58° | 46° | 52° | 0.05" | — |
| 2020 | 63° | 41° | 52° | — | — |
| 2019 | 75° | 47° | 61° | 0.23" | — |
| 2018 | 48° | 27° | 38° | 0.08" | — |
| 2017 | 69° | 29° | 49° | — | — |
| 2016 | 40° | 27° | 34° | 0.48" | — |
| 2015 | 42° | 38° | 40° | 0.1" | — |
| 2014 | 62° | 30° | 46° | — | — |
| 2013 | 82° | 51° | 67° | — | — |
| 2012 | 63° | 43° | 53° | — | — |
| 2011 | 59° | 32° | 46° | — | — |
| 2010 | 57° | 41° | 49° | 0.41" | — |
| 2009 | 60° | 27° | 43° | — | — |
| 2008 | 61° | 38° | 49° | — | — |
| 2007 | 46° | 32° | 39° | — | — |
| 2006 | 57° | 27° | 42° | — | — |
| 2005 | 66° | 40° | 53° | — | — |
| 2004 | 60° | 39° | 50° | — | — |
| 2003 | 39° | 33° | 36° | 0.38" | — |
| 2002 | 72° | 54° | 63° | 0.84" | — |
| 2001 | 83° | 45° | 64° | 0.36" | — |
| 2000 | 49° | 28° | 38° | 1.02" | 3.7" |
| 1999 | 56° | 41° | 48° | 1.91" | — |
| 1998 | 48° | 37° | 43° | 4.78" | — |
| 1997 | 40° | 26° | 33° | — | — |
| 1996 | 36° | 29° | 32° | 0.13" | 0.2" |
| 1995 | 73° | 40° | 56° | 1.55" | — |
| 1994 | 63° | 30° | 46° | — | — |
| 1993 | 64° | 41° | 53° | 0.36" | — |
| 1992 | 59° | 38° | 48° | 0.05" | — |
| 1991warmest | 80° | 60° | 70° | — | — |
| 1990 | 63° | 25° | 44° | — | — |
| 1989 | 53° | 37° | 45° | 0.38" | — |
| 1988 | 56° | 39° | 47° | — | — |
| 1987 | 61° | 37° | 49° | — | — |
| 1986 | 49° | 38° | 43° | — | — |
| 1985 | 43° | 27° | 35° | — | — |
| 1984 | 58° | 30° | 44° | — | — |
| 1983 | 57° | 45° | 51° | 0.13" | — |
| 1982coldest | 33° | 28° | 31° | 0.41" | 2" |
| 1981 | 65° | 49° | 57° | 0.3" | — |
| 1980 | 61° | 52° | 56° | 2.41" | — |
| 1979 | 40° | 36° | 38° | 2.13" | — |
| 1978 | 56° | 32° | 44° | — | — |
| 1977 | 45° | 22° | 33° | — | — |
| 1976 | 52° | 27° | 39° | — | — |
| 1975 | 54° | 30° | 42° | — | — |
| 1974 | 40° | 33° | 36° | 1.42" | — |
| 1973 | 55° | 29° | 42° | — | — |
| 1972 | 50° | 23° | 37° | — | — |
| 1971 | 73° | 27° | 50° | — | — |
56 years of data from ALLENTOWN LEHIGH VLY INTL AP