Weather on October 20
Duluth, MN
55 Years of Data
Avg High
52°F
Avg Low
38°F
Warmest
2024
61°F avg
Coldest
2002
34°F avg
About This Date
October 20th in Duluth, MN typically brings cool fall weather, with average highs around 52°F and lows near 38°F. Over 55 years of records, the warmest October 20th was in 2024 (61°F average), while the coldest was 2002 (34°F) — a 27°F range across recorded history. Rain or other precipitation has occurred on about 24% of October 20th dates historically, with the wettest October 20th recording 2.54" of rain. The last decade has been 4.0°F warmer on this date compared to 20-30 years ago.
The last decade has been 4.0°F warmer on this date compared to 20-30 years ago.
Planning for October 20th in Duluth, MN? Bring layers as temperatures can vary throughout the day.
Warming Trend
0.4°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 62° | 39° | 51° | 0.1" | — |
| 2024warmest | 75° | 46° | 61° | — | — |
| 2023 | 53° | 41° | 47° | 0.38" | — |
| 2022 | 58° | 37° | 47° | — | — |
| 2021 | 53° | 46° | 50° | — | — |
| 2020 | 38° | 31° | 34° | 0.43" | — |
| 2019 | 55° | 38° | 46° | — | — |
| 2018 | 46° | 31° | 38° | 0.05" | — |
| 2017 | 73° | 47° | 60° | — | — |
| 2016 | 48° | 37° | 43° | — | — |
| 2015 | 55° | 46° | 51° | — | — |
| 2014 | 50° | 42° | 46° | — | — |
| 2013 | 41° | 30° | 36° | 0.58" | — |
| 2012 | 45° | 33° | 39° | — | — |
| 2011 | 49° | 38° | 43° | — | — |
| 2010 | 59° | 44° | 52° | — | — |
| 2009 | 48° | 42° | 45° | 0.51" | — |
| 2008 | 53° | 44° | 49° | — | — |
| 2007 | 64° | 44° | 54° | — | — |
| 2006 | 38° | 31° | 34° | — | — |
| 2005 | 49° | 40° | 44° | — | — |
| 2004 | 59° | 42° | 51° | — | — |
| 2003 | 49° | 29° | 39° | — | — |
| 2002coldest | 40° | 28° | 34° | — | — |
| 2001 | 56° | 28° | 42° | — | — |
| 2000 | 63° | 45° | 54° | — | — |
| 1999 | 45° | 30° | 37° | — | — |
| 1998 | 50° | 40° | 45° | — | — |
| 1997 | 47° | 38° | 42° | — | — |
| 1996 | 60° | 37° | 49° | — | — |
| 1995 | 52° | 39° | 45° | — | — |
| 1994 | 57° | 42° | 50° | — | — |
| 1993 | 47° | 39° | 43° | 0.46" | — |
| 1992 | 41° | 36° | 38° | — | — |
| 1991 | 46° | 27° | 36° | — | — |
| 1990 | 44° | 33° | 39° | 2.54" | — |
| 1989 | 58° | 29° | 43° | — | — |
| 1988 | 44° | 34° | 39° | 0.56" | — |
| 1987 | 45° | 35° | 40° | — | — |
| 1986 | 70° | 47° | 58° | — | — |
| 1985 | 51° | 40° | 45° | — | — |
| 1984 | 44° | 40° | 42° | — | — |
| 1983 | 46° | 42° | 44° | — | — |
| 1982 | 42° | 34° | 38° | — | — |
| 1981 | 52° | 33° | 42° | 0.08" | — |
| 1980 | 51° | 37° | 44° | — | — |
| 1979 | 64° | 50° | 57° | — | — |
| 1978 | 70° | 46° | 58° | — | — |
| 1977 | 65° | 39° | 52° | — | — |
| 1976 | 43° | 32° | 37° | 0.03" | — |
| 1975 | 66° | 44° | 55° | — | — |
| 1974 | 45° | 33° | 39° | — | — |
| 1973 | 51° | 37° | 44° | — | — |
| 1972 | 45° | 34° | 39° | 1.14" | — |
| 1971 | 53° | 44° | 49° | 0.1" | — |
55 years of data from DULUTH HARBOR STN