Weather on October 15
Des Moines, IA
55 Years of Data
Avg High
65°F
Avg Low
40°F
Warmest
1996
68°F avg
Coldest
2018
39°F avg
About This Date
October 15th in Des Moines, IA typically brings mild fall weather, with average highs around 65°F and lows near 40°F — a 25°F daily swing. Over 55 years of records, the warmest October 15th was in 1996 (68°F average), while the coldest was 2018 (39°F) — a 29°F range across recorded history. Rain or other precipitation has occurred on about 22% of October 15th dates historically, with the wettest October 15th recording 3.1" of rain. The last decade has been 1.4°F cooler on this date compared to 20-30 years ago.
The last decade has been 1.4°F cooler on this date compared to 20-30 years ago.
Planning for October 15th in Des Moines, IA? Great weather for outdoor activities.
Cooling Trend
0.8°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 76° | 58° | 67° | 0.08" | — |
| 2024 | 56° | 35° | 45° | — | — |
| 2023 | 55° | 43° | 49° | — | — |
| 2022 | 67° | 29° | 48° | — | — |
| 2021 | 61° | 44° | 52° | — | — |
| 2020 | 74° | 38° | 56° | — | — |
| 2019 | 60° | 30° | 45° | — | — |
| 2018coldest | 48° | 30° | 39° | — | — |
| 2017 | 66° | 45° | 55° | 2.84" | — |
| 2016 | 66° | 44° | 55° | — | — |
| 2015 | 68° | 44° | 56° | — | — |
| 2014 | 61° | 43° | 52° | — | — |
| 2013 | 63° | 42° | 52° | 1.17" | — |
| 2012 | 61° | 40° | 50° | — | — |
| 2011 | 63° | 41° | 52° | — | — |
| 2010 | 76° | 35° | 55° | — | — |
| 2009 | 47° | 38° | 42° | 0.61" | — |
| 2008 | 58° | 39° | 48° | 1.52" | — |
| 2007 | 64° | 55° | 60° | 2.92" | — |
| 2006 | 54° | 31° | 42° | 0.03" | — |
| 2005 | 82° | 39° | 61° | — | — |
| 2004 | 49° | 32° | 40° | — | — |
| 2003 | 65° | 35° | 50° | — | — |
| 2002 | 63° | 36° | 49° | — | — |
| 2001 | 56° | 44° | 50° | — | — |
| 2000 | 80° | 45° | 62° | — | — |
| 1999 | 67° | 30° | 48° | — | — |
| 1998 | 65° | 39° | 52° | — | — |
| 1997 | 57° | 33° | 45° | — | — |
| 1996warmest | 82° | 53° | 68° | — | — |
| 1995 | 58° | 33° | 45° | — | — |
| 1994 | 66° | 33° | 50° | — | — |
| 1993 | 64° | 49° | 56° | 1.7" | — |
| 1992 | 57° | 40° | 48° | — | — |
| 1991 | 55° | 28° | 42° | — | — |
| 1990 | 63° | 35° | 49° | — | — |
| 1989 | 80° | 51° | 66° | — | — |
| 1988 | 77° | 57° | 67° | — | — |
| 1987 | 73° | 47° | 60° | — | — |
| 1986 | 56° | 34° | 45° | — | — |
| 1985 | 70° | 38° | 54° | — | — |
| 1984 | 65° | 47° | 56° | 3.1" | — |
| 1983 | 61° | 46° | 53° | 0.51" | — |
| 1982 | 66° | 48° | 57° | — | — |
| 1981 | 64° | 45° | 54° | 0.2" | — |
| 1980 | 50° | 44° | 47° | 0.05" | — |
| 1979 | 71° | 42° | 57° | — | — |
| 1978 | 60° | 39° | 50° | — | — |
| 1977 | 72° | 40° | 56° | — | — |
| 1976 | 81° | 44° | 62° | — | — |
| 1975 | 74° | 39° | 56° | — | — |
| 1974 | 55° | 28° | 42° | — | — |
| 1973 | 81° | 51° | 66° | — | — |
| 1972 | 55° | 26° | 41° | — | — |
| 1971 | 81° | 45° | 63° | — | — |
55 years of data from ANKENY