Weather on October 15
Duluth, MN
55 Years of Data
Avg High
51°F
Avg Low
39°F
Warmest
2016
60°F avg
Coldest
1991
36°F avg
About This Date
October 15th in Duluth, MN typically brings cool fall weather, with average highs around 51°F and lows near 39°F. Over 55 years of records, the warmest October 15th was in 2016 (60°F average), while the coldest was 1991 (36°F) — a 24°F range across recorded history. Precipitation has occurred on 22% of recorded October 15th dates, with snow falling 2% of the time. The last decade has been 1.2°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.2°F warmer on this date compared to 20-30 years ago.
Planning for October 15th in Duluth, MN? Bring layers as temperatures can vary throughout the day.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 55° | 47° | 51° | — | — |
| 2024 | 51° | 33° | 42° | — | — |
| 2023 | 62° | 44° | 53° | — | — |
| 2022 | 47° | 31° | 39° | 0.33" | — |
| 2021 | 51° | 39° | 45° | — | — |
| 2020 | 46° | 34° | 40° | — | — |
| 2019 | 46° | 38° | 42° | 0.25" | — |
| 2018 | 45° | 31° | 38° | — | — |
| 2017 | 53° | 39° | 46° | 0.51" | — |
| 2016warmest | 69° | 52° | 60° | — | — |
| 2015 | 56° | 37° | 46° | — | — |
| 2014 | 58° | 32° | 45° | — | — |
| 2013 | 51° | 46° | 49° | 3.96" | — |
| 2012 | 49° | 33° | 41° | — | — |
| 2011 | 55° | 41° | 48° | — | — |
| 2010 | 52° | 40° | 46° | — | — |
| 2009 | 44° | 36° | 40° | 0.33" | — |
| 2008 | 54° | 44° | 49° | — | — |
| 2007 | 50° | 47° | 48° | 0.05" | — |
| 2006 | 57° | 29° | 43° | — | — |
| 2005 | 60° | 45° | 52° | — | — |
| 2004 | 46° | 40° | 43° | 0.05" | — |
| 2003 | 55° | 20° | 37° | — | — |
| 2002 | 58° | 35° | 46° | — | — |
| 2001 | 54° | 30° | 42° | — | — |
| 2000 | 48° | 40° | 44° | — | — |
| 1999 | 50° | 44° | 47° | — | — |
| 1998 | 48° | 37° | 43° | — | — |
| 1997 | 44° | 37° | 41° | — | — |
| 1996 | 51° | 46° | 49° | — | — |
| 1995 | 47° | 38° | 42° | — | — |
| 1994 | 53° | 51° | 52° | — | — |
| 1993 | 44° | 36° | 40° | — | — |
| 1992 | 41° | 33° | 37° | — | 0.5" |
| 1991coldest | 43° | 29° | 36° | — | — |
| 1990 | 55° | 41° | 48° | — | — |
| 1989 | 56° | 41° | 48° | — | — |
| 1988 | 52° | 44° | 48° | — | — |
| 1987 | 50° | 46° | 48° | 0.2" | — |
| 1986 | 47° | 37° | 42° | — | — |
| 1985 | 60° | 32° | 46° | — | — |
| 1984 | 55° | 48° | 52° | 0.91" | — |
| 1983 | 45° | 41° | 43° | 0.99" | — |
| 1982 | 53° | 43° | 48° | — | — |
| 1981 | 57° | 46° | 52° | — | — |
| 1980 | 50° | 43° | 46° | — | — |
| 1979 | 49° | 42° | 45° | — | — |
| 1978 | 43° | 39° | 41° | — | — |
| 1977 | 49° | 39° | 44° | — | — |
| 1976 | 47° | 34° | 40° | 0.03" | — |
| 1975 | 49° | 42° | 45° | — | — |
| 1974 | 52° | 38° | 45° | — | — |
| 1973 | 57° | 47° | 52° | — | — |
| 1972 | 50° | 35° | 43° | — | — |
| 1971 | 50° | 34° | 42° | 0.53" | — |
55 years of data from DULUTH HARBOR STN