Weather on October 9
Allentown, PA
55 Years of Data
Avg High
68°F
Avg Low
47°F
Warmest
2017
77°F avg
Coldest
2000
39°F avg
About This Date
October 9th in Allentown, PA typically brings mild fall weather, with average highs around 68°F and lows near 47°F. Over 55 years of records, the warmest October 9th was in 2017 (77°F average), while the coldest was 2000 (39°F) — a 38°F range across recorded history. Rain or other precipitation has occurred on about 35% of October 9th dates historically, with the wettest October 9th recording 3.53" of rain. The last decade has been 2.7°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.7°F warmer on this date compared to 20-30 years ago.
Planning for October 9th in Allentown, PA? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Warming Trend
0.7°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 62° | 39° | 51° | — | — |
| 2024 | 68° | 44° | 56° | — | — |
| 2023 | 59° | 38° | 48° | — | — |
| 2022 | 61° | 33° | 47° | — | — |
| 2021 | 68° | 60° | 64° | — | — |
| 2020 | 71° | 39° | 55° | — | — |
| 2019 | 62° | 52° | 57° | — | — |
| 2018 | 79° | 66° | 72° | — | — |
| 2017warmest | 80° | 73° | 77° | 0.94" | — |
| 2016 | 65° | 51° | 58° | — | — |
| 2015 | 76° | 52° | 64° | 1.02" | — |
| 2014 | 68° | 41° | 55° | — | — |
| 2013 | 61° | 45° | 53° | — | — |
| 2012 | 58° | 47° | 52° | 0.05" | — |
| 2011 | 86° | 47° | 66° | — | — |
| 2010 | 73° | 42° | 58° | — | — |
| 2009 | 65° | 54° | 59° | 1.24" | — |
| 2008 | 75° | 52° | 63° | — | — |
| 2007 | 87° | 62° | 75° | 1.83" | — |
| 2006 | 78° | 45° | 61° | — | — |
| 2005 | 62° | 52° | 57° | 0.1" | — |
| 2004 | 69° | 48° | 59° | — | — |
| 2003 | 78° | 47° | 62° | — | — |
| 2002 | 64° | 40° | 52° | — | — |
| 2001 | 60° | 26° | 43° | — | — |
| 2000coldest | 49° | 29° | 39° | — | — |
| 1999 | 68° | 55° | 62° | 0.05" | — |
| 1998 | 62° | 56° | 59° | 3.53" | — |
| 1997 | 82° | 50° | 66° | — | — |
| 1996 | 69° | 49° | 59° | 0.28" | — |
| 1995 | 68° | 41° | 55° | — | — |
| 1994 | 77° | 55° | 66° | 0.61" | — |
| 1993 | 78° | 49° | 63° | — | — |
| 1992 | 69° | 58° | 63° | 2.46" | — |
| 1991 | 68° | 35° | 52° | — | — |
| 1990 | 82° | 67° | 74° | 0.05" | — |
| 1989 | 50° | 33° | 42° | — | — |
| 1988 | 59° | 30° | 45° | — | — |
| 1987 | 58° | 34° | 46° | — | — |
| 1986 | 75° | 47° | 61° | — | — |
| 1985 | 74° | 44° | 59° | — | — |
| 1984 | 73° | 58° | 65° | 0.3" | — |
| 1983 | 70° | 47° | 58° | — | — |
| 1982 | 72° | 52° | 62° | 0.03" | — |
| 1981 | 56° | 39° | 47° | — | — |
| 1980 | 72° | 48° | 60° | — | — |
| 1979 | 64° | 44° | 54° | 0.61" | — |
| 1978 | 59° | 37° | 48° | — | — |
| 1977 | 68° | 48° | 58° | 2.13" | — |
| 1976 | 78° | 48° | 63° | 3.53" | — |
| 1975 | 63° | 52° | 57° | 0.25" | — |
| 1974 | 61° | 37° | 49° | — | — |
| 1973 | 71° | 53° | 62° | — | — |
| 1972 | 56° | 37° | 46° | — | — |
| 1971 | 64° | 45° | 54° | 0.05" | — |
55 years of data from ALLENTOWN LEHIGH VLY INTL AP