Weather on October 15
Saint Louis, MO
55 Years of Data
Avg High
70°F
Avg Low
46°F
Warmest
1992
77°F avg
Coldest
2018
44°F avg
About This Date
October 15th in Saint Louis, MO typically brings pleasant fall weather, with average highs around 70°F and lows near 46°F. Over 52 years of records, the warmest October 15th was in 1992 (77°F average), while the coldest was 2018 (44°F) — a 33°F range across recorded history. Rain or other precipitation has occurred on about 23% of October 15th dates historically, with the wettest October 15th recording 1.35" of rain. Temperatures on this date have remained relatively stable over the past several decades.
Temperatures on this date have remained relatively stable over the past several decades.
Planning for October 15th in Saint Louis, MO? Great weather for outdoor activities.
Cooling Trend
0.4°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 85° | 54° | 69° | — | — |
| 2024 | 58° | 36° | 47° | — | — |
| 2023 | 61° | 47° | 54° | 0.05" | — |
| 2022 | 66° | 34° | 50° | — | — |
| 2021 | 66° | 49° | 57° | — | — |
| 2020 | 69° | 32° | 51° | 0.03" | — |
| 2019 | 70° | 46° | 58° | — | — |
| 2018coldest | 52° | 36° | 44° | 0.05" | — |
| 2017 | 89° | 55° | 72° | — | — |
| 2016 | 71° | 56° | 63° | — | — |
| 2015 | 74° | 48° | 61° | — | — |
| 2014 | 57° | 52° | 54° | 0.33" | — |
| 2013 | 68° | 54° | 61° | 0.28" | — |
| 2012 | 74° | 49° | 61° | 0.05" | — |
| 2011 | 72° | 44° | 58° | — | — |
| 2010 | 72° | 42° | 57° | — | — |
| 2009 | 46° | 44° | 45° | 1.35" | — |
| 2008 | 71° | 59° | 65° | — | — |
| 2007 | 82° | 53° | 68° | — | — |
| 2006 | 62° | 34° | 48° | — | — |
| 2005 | 79° | 51° | 65° | — | — |
| 2004 | 49° | 42° | 45° | 1.3" | — |
| 2003 | 65° | 46° | 55° | — | — |
| 2002 | 63° | 40° | 51° | — | — |
| 2001 | 64° | 42° | 53° | — | — |
| 2000 | 78° | 57° | 68° | 0.43" | — |
| 1999 | 65° | 43° | 54° | — | — |
| 1998 | 73° | 46° | 60° | — | — |
| 1997 | 62° | 34° | 48° | — | — |
| 1996 | 83° | 51° | 67° | — | — |
| 1995 | 71° | 41° | 56° | — | — |
| 1994 | 67° | 60° | 63° | — | — |
| 1993 | 74° | 47° | 60° | — | — |
| 1992warmest | 86° | 68° | 77° | — | — |
| 1991 | 60° | 32° | 46° | — | — |
| 1990 | 70° | 49° | 59° | — | — |
| 1989 | 86° | 58° | 72° | — | — |
| 1988 | 77° | 58° | 67° | — | — |
| 1987 | 77° | 55° | 66° | — | — |
| 1986 | 64° | 36° | 50° | — | — |
| 1985 | 72° | 40° | 56° | — | — |
| 1982 | 64° | 45° | 54° | — | — |
| 1980 | 73° | 40° | 56° | — | — |
| 1979 | 63° | 49° | 56° | 0.36" | — |
| 1978 | 56° | 34° | 45° | — | — |
| 1977 | 73° | 45° | 59° | — | — |
| 1976 | 63° | 43° | 53° | — | — |
| 1975 | 87° | 58° | 72° | — | — |
| 1974 | 63° | 45° | 54° | 0.36" | — |
| 1973 | 80° | 51° | 66° | — | — |
| 1972 | 64° | 38° | 51° | — | — |
| 1971 | 79° | 41° | 60° | 0.05" | — |
52 years of data from ST LOUIS ST LOUIS UNIV