Typical high: 26.6°. Hottest: 34.3° (2013). Coldest night: 5.6° (2025).
| YEAR | HIGH | LOW | RAIN |
|---|---|---|---|
| 2025 | 21.5° | 5.6° | 0 mm |
| 2024 | 20.3° | 8.8° | 0 mm |
| 2023 | 24° | 16.8° | 0 mm |
| 2022 | 27.9° | 16.2° | 0 mm |
| 2021 | 30.9° | 18.7° | 1 mm |
| 2020 | 27.3° | 16.4° | 3.8 mm |
| 2019 | 25.7° | 12.8° | 0.6 mm |
| 2018 | 20.3° | 15.7° | 12.5 mm |
| 2017 | 23.6° | 9.5° | 0 mm |
| 2016 | 30.5° | 23.6° | 41.9 mm |
| 2015 | 29.8° | 22.1° | 4.5 mm |
| 2014 | 24.8° | 11.2° | 0 mm |
| 2013 | 34.3° | 19.7° | 0 mm |
| 2012 | 24.2° | 15.2° | 21.2 mm |
| 2011 | 22.9° | 8.5° | 0 mm |
| 2010 | 23.6° | 13.8° | 0 mm |
| 2009 | 26.1° | 15.9° | 0 mm |
| 2008 | 21.7° | 11.3° | 0.4 mm |
| 2007 | 27.9° | 19.3° | 12.7 mm |
| 2006 | 28° | 14.1° | 0 mm |
| 2005 | 30.2° | 18.7° | 0.2 mm |
| 2004 | 22.2° | 11.5° | 0 mm |
| 2003 | 29.2° | 14.7° | 0 mm |
| 2002 | 30.4° | 15.9° | 0 mm |
| 2001 | 29.5° | 21.4° | 8.4 mm |
| 2000 | 30.6° | 16.8° | 0 mm |
| 1999 | 28.9° | 14.1° | 0 mm |
| 1998 | 25.7° | 15.4° | 1.2 mm |
| 1997 | 26.7° | 17.8° | 16.8 mm |
| 1996 | 28.1° | 17.6° | 0.4 mm |
Full Hillsboro (historical) forecast → · Will it rain today?