Typical high: 26.4°. Hottest: 36.5° (1998). Coldest night: 6.2° (2000).
| YEAR | HIGH | LOW | RAIN |
|---|---|---|---|
| 2025 | 30.2° | 18.1° | 0.4 mm |
| 2024 | 29.4° | 9.5° | 0 mm |
| 2023 | 19.4° | 11.3° | 1.6 mm |
| 2022 | 25.9° | 11.9° | 0 mm |
| 2021 | 27.9° | 11.5° | 0 mm |
| 2020 | 28.1° | 16.5° | 0 mm |
| 2019 | 25° | 12.4° | 0 mm |
| 2018 | 28.9° | 12.2° | 0 mm |
| 2017 | 35.2° | 17.4° | 0 mm |
| 2016 | 22.9° | 8.1° | 0 mm |
| 2015 | 19.4° | 6.7° | 0 mm |
| 2014 | 28° | 9.2° | 0 mm |
| 2013 | 21.5° | 9.4° | 0 mm |
| 2012 | 28.9° | 10.9° | 0 mm |
| 2011 | 31.8° | 12.4° | 0 mm |
| 2010 | 30.6° | 15.3° | 0 mm |
| 2009 | 25.1° | 10.5° | 0 mm |
| 2008 | 28.7° | 10° | 0 mm |
| 2007 | 24.4° | 11.7° | 0 mm |
| 2006 | 27.5° | 13.8° | 0 mm |
| 2005 | 21.7° | 12.6° | 0 mm |
| 2004 | 24° | 9.1° | 0 mm |
| 2003 | 30.5° | 17.7° | 0 mm |
| 2002 | 25.1° | 12.3° | 0 mm |
| 2001 | 26.8° | 8.4° | 0 mm |
| 2000 | 13.7° | 6.2° | 2.2 mm |
| 1999 | 26.6° | 9.7° | 0 mm |
| 1998 | 36.5° | 18.7° | 0 mm |
| 1997 | 24.5° | 12.6° | 0.4 mm |
| 1996 | 23.4° | 11.1° | 0 mm |
Full Allentown (historical) forecast → · Will it rain today?