Weather on October 15
Saint Louis, MO
55 Years of Data
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 0.53" 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.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 85° | 54° | 69° | — | — |
| 2024 | 58° | 36° | 47° | — | — |
| 2023 | 61° | 47° | 54° | 0.02" | — |
| 2022 | 66° | 34° | 50° | — | — |
| 2021 | 66° | 49° | 57° | — | — |
| 2020 | 69° | 32° | 51° | 0.01" | — |
| 2019 | 70° | 46° | 58° | — | — |
| 2018coldest | 52° | 36° | 44° | 0.02" | — |
| 2017 | 89° | 55° | 72° | — | — |
| 2016 | 71° | 56° | 63° | — | — |
| 2015 | 74° | 48° | 61° | — | — |
| 2014 | 57° | 52° | 54° | 0.13" | — |
| 2013 | 68° | 54° | 61° | 0.11" | — |
| 2012 | 74° | 49° | 61° | 0.02" | — |
| 2011 | 72° | 44° | 58° | — | — |
| 2010 | 72° | 42° | 57° | — | — |
| 2009 | 46° | 44° | 45° | 0.53" | — |
| 2008 | 71° | 59° | 65° | — | — |
| 2007 | 82° | 53° | 68° | — | — |
| 2006 | 62° | 34° | 48° | — | — |
| 2005 | 79° | 51° | 65° | — | — |
| 2004 | 49° | 42° | 45° | 0.51" | — |
| 2003 | 65° | 46° | 55° | — | — |
| 2002 | 63° | 40° | 51° | — | — |
| 2001 | 64° | 42° | 53° | — | — |
| 2000 | 78° | 57° | 68° | 0.17" | — |
| 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° | 0.14" | — |
| 1978 | 56° | 34° | 45° | — | — |
| 1977 | 73° | 45° | 59° | — | — |
| 1976 | 63° | 43° | 53° | — | — |
| 1975 | 87° | 58° | 72° | — | — |
| 1974 | 63° | 45° | 54° | 0.14" | — |
| 1973 | 80° | 51° | 66° | — | — |
| 1972 | 64° | 38° | 51° | — | — |
| 1971 | 79° | 41° | 60° | 0.02" | — |
Saint Louis, MO Temperature Range by Month
Average monthly highs and lows. The shaded band shows the typical daily temperature range.
Saint Louis, MO Monthly Precipitation
Average rainfall and snowfall per month, in inches.
Saint Louis, MO Daily Temperature Calendar
Average daily high temperature for every day of the year. Each cell is the climatological mean for that calendar day across 55 years of NOAA data.
Best Time to Visit Saint Louis, MO
Most pleasant months in Saint Louis, MO: April, May, September, October.
What to expect on October 15th
This page shows what actually happened each year. For the odds — typical high and low, and how often it stays dry — see the climatological outlook for this date.
October 15th outlook →