Weather on June 15
Fort Collins, CO
55 Years of Data
Avg High
82°F
Avg Low
52°F
Warmest
2021
79°F avg
Coldest
1976
56°F avg
About This Date
June 15th in Fort Collins, CO typically brings warm summer weather, with average highs around 82°F and lows near 52°F — a 30°F daily swing. Over 55 years of records, the warmest June 15th was in 2021 (79°F average), while the coldest was 1976 (56°F) — a 23°F range across recorded history. Rain or other precipitation has occurred on about 22% of June 15th dates historically, with the wettest June 15th recording 1.88" of rain. The last decade has been 7.3°F warmer on this date compared to 20-30 years ago.
The last decade has been 7.3°F warmer on this date compared to 20-30 years ago.
Planning for June 15th in Fort Collins, CO? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
1.0°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 91° | 56° | 73° | — | — |
| 2024 | 90° | 57° | 73° | — | — |
| 2023 | 78° | 55° | 67° | 0.13" | — |
| 2022 | 89° | 53° | 71° | — | — |
| 2021warmest | 98° | 60° | 79° | — | — |
| 2020 | 88° | 55° | 71° | — | — |
| 2019 | 79° | 53° | 66° | — | — |
| 2018 | 92° | 60° | 76° | — | — |
| 2017 | 86° | 51° | 69° | — | — |
| 2016 | 89° | 51° | 70° | — | — |
| 2015 | 75° | 56° | 65° | — | — |
| 2014 | 77° | 43° | 60° | — | — |
| 2013 | 80° | 54° | 67° | 0.05" | — |
| 2012 | 86° | 61° | 73° | — | — |
| 2011 | 84° | 50° | 67° | — | — |
| 2010 | 78° | 43° | 60° | — | — |
| 2009 | 72° | 48° | 60° | 1.88" | — |
| 2008 | 81° | 52° | 66° | — | — |
| 2007 | 89° | 52° | 70° | — | — |
| 2006 | 89° | 59° | 74° | — | — |
| 2005 | 85° | 49° | 67° | — | — |
| 2004 | 87° | 53° | 70° | — | — |
| 2003 | 83° | 50° | 66° | — | — |
| 2002 | 83° | 54° | 68° | 0.13" | — |
| 2001 | 84° | 41° | 63° | — | — |
| 2000 | 89° | 55° | 72° | — | — |
| 1999 | 64° | 50° | 57° | 0.48" | — |
| 1998 | 70° | 42° | 56° | 0.3" | — |
| 1997 | 74° | 48° | 61° | 0.03" | — |
| 1996 | 67° | 58° | 62° | 1.04" | — |
| 1995 | 87° | 55° | 71° | — | — |
| 1994 | 83° | 49° | 66° | — | — |
| 1993 | 86° | 57° | 72° | — | — |
| 1992 | 77° | 57° | 67° | 0.25" | — |
| 1991 | 72° | 52° | 62° | 0.25" | — |
| 1990 | 81° | 56° | 68° | — | — |
| 1989 | 79° | 43° | 61° | — | — |
| 1988 | 78° | 52° | 65° | — | — |
| 1987 | 88° | 52° | 70° | — | — |
| 1986 | 92° | 49° | 70° | — | — |
| 1985 | 89° | 51° | 70° | — | — |
| 1984 | 81° | 57° | 69° | 0.18" | — |
| 1983 | 76° | 44° | 60° | — | — |
| 1982 | 62° | 51° | 57° | 0.76" | — |
| 1981 | 70° | 42° | 56° | — | — |
| 1980 | 90° | 51° | 70° | — | — |
| 1979 | 81° | 59° | 70° | — | — |
| 1978 | 92° | 54° | 73° | — | — |
| 1977 | 94° | 54° | 74° | — | — |
| 1976coldest | 73° | 39° | 56° | — | — |
| 1975 | 85° | 48° | 66° | — | — |
| 1974 | 80° | 45° | 62° | — | — |
| 1973 | 78° | 57° | 68° | — | — |
| 1972 | 78° | 54° | 66° | — | — |
| 1971 | 83° | 49° | 66° | — | — |
55 years of data from FT COLLINS