August 15 in Boulder, through the years

Typical high: 26°. Hottest: 31.5° (2015). Coldest night: (2004).

YEARHIGHLOWRAIN
2025 28° 13.2° 2 mm
2024 27.5° 12.5° 0.5 mm
2023 28.8° 9.5° 0 mm
2022 22.9° 13.1° 15 mm
2021 27.9° 14.1° 3.5 mm
2020 30° 11.4° 0 mm
2019 30.1° 11.6° 0 mm
2018 26.8° 11.9° 0.7 mm
2017 22.8° 10.6° 6.4 mm
2016 29.2° 11.6° 0 mm
2015 31.5° 15.6° 0.2 mm
2014 26.4° 12.4° 0 mm
2013 27.3° 9.8° 0 mm
2012 29.2° 10.9° 0.2 mm
2011 28.7° 13.3° 0.2 mm
2010 24.2° 11.4° 1.4 mm
2009 24.2° 9.4° 4.5 mm
2008 12.4° 8.8° 21 mm
2007 24.5° 14.2° 6.8 mm
2006 25.5° 11.1° 0.9 mm
2005 23.5° 9.1° 0.1 mm
2004 24.4° 0.6 mm
2003 27.1° 9.7° 0 mm
2002 24.5° 8.7° 0 mm
2001 21.9° 9.8° 6.1 mm
2000 26.9° 14.3° 1.1 mm
1999 24.5° 11.8° 0 mm
1998 27.2° 8.7° 0.8 mm
1997 26.6° 11.4° 0 mm
1996 26.6° 9.9° 3.4 mm
Source: ERA5 reanalysis (Copernicus C3S)

Full Boulder forecast → · Will it rain today?