Weather on October 15
Alamosa, CO
55 Years of Data
Avg High
65°F
Avg Low
24°F
Warmest
2025
57°F avg
Coldest
2018
31°F avg
About This Date
October 15th in Alamosa, CO typically brings mild fall weather, with average highs around 65°F and lows near 24°F — a 41°F daily swing. Over 55 years of records, the warmest October 15th was in 2025 (57°F average), while the coldest was 2018 (31°F) — a 26°F range across recorded history. Precipitation has occurred on 13% of recorded October 15th dates, with snow falling 2% of the time. The last decade has been 2.8°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.8°F warmer on this date compared to 20-30 years ago.
Planning for October 15th in Alamosa, CO? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025warmest | 70° | 45° | 57° | — | — |
| 2024 | 73° | 30° | 52° | — | — |
| 2023 | 62° | 20° | 41° | — | — |
| 2022 | 71° | 24° | 48° | — | — |
| 2021 | 55° | 16° | 35° | 0.08" | — |
| 2020 | 81° | 27° | 54° | — | — |
| 2019 | 69° | 22° | 45° | — | — |
| 2018coldest | 49° | 13° | 31° | — | — |
| 2017 | 68° | 17° | 43° | — | — |
| 2016 | 77° | 36° | 56° | — | — |
| 2015 | 78° | 28° | 53° | — | — |
| 2014 | 65° | 26° | 45° | — | — |
| 2013 | 55° | 19° | 37° | — | — |
| 2012 | 63° | 22° | 42° | — | — |
| 2011 | 71° | 23° | 47° | — | — |
| 2010 | 71° | 21° | 46° | — | — |
| 2009 | 67° | 24° | 45° | — | — |
| 2008 | 46° | 26° | 36° | — | — |
| 2007 | 57° | 23° | 40° | — | — |
| 2006 | 63° | 30° | 46° | 0.71" | — |
| 2005 | 62° | 27° | 44° | — | — |
| 2004 | 67° | 24° | 45° | — | — |
| 2003 | 70° | 21° | 45° | — | — |
| 2002 | 65° | 20° | 42° | — | — |
| 2001 | 64° | 19° | 42° | — | — |
| 2000 | 61° | 12° | 36° | — | — |
| 1999 | 70° | 23° | 46° | — | — |
| 1998 | 67° | 27° | 47° | — | — |
| 1997 | 65° | 20° | 42° | — | — |
| 1996 | 70° | 20° | 45° | — | — |
| 1995 | 71° | 18° | 44° | — | — |
| 1994 | 47° | 32° | 39° | 0.28" | — |
| 1993 | 62° | 27° | 44° | — | — |
| 1992 | 70° | 28° | 49° | — | — |
| 1991 | 75° | 27° | 51° | — | — |
| 1990 | 71° | 24° | 48° | — | — |
| 1989 | 63° | 28° | 45° | — | — |
| 1988 | 70° | 27° | 48° | — | — |
| 1987 | 62° | 29° | 45° | — | — |
| 1986 | 60° | 20° | 40° | — | — |
| 1985 | 57° | 18° | 37° | — | — |
| 1984 | 44° | 20° | 32° | 0.05" | 0.2" |
| 1983 | 60° | 15° | 38° | — | — |
| 1982 | 64° | 23° | 44° | — | — |
| 1981 | 64° | 39° | 52° | 0.1" | — |
| 1980 | 48° | 29° | 38° | 0.08" | — |
| 1979 | 67° | 23° | 45° | — | — |
| 1978 | 71° | 18° | 44° | — | — |
| 1977 | 67° | 25° | 46° | — | — |
| 1976 | 65° | 27° | 46° | — | — |
| 1975 | 59° | 13° | 36° | — | — |
| 1974 | 61° | 23° | 42° | — | — |
| 1973 | 73° | 25° | 49° | — | — |
| 1972 | 63° | 44° | 53° | 0.66" | — |
| 1971 | 68° | 31° | 49° | — | — |
55 years of data from ALAMOSA 1E