Weather on October 20
Milwaukee, WI
55 Years of Data
Avg High
59°F
Avg Low
42°F
Warmest
1979
69°F avg
Coldest
1989
35°F avg
About This Date
October 20th in Milwaukee, WI typically brings cool fall weather, with average highs around 59°F and lows near 42°F. Over 55 years of records, the warmest October 20th was in 1979 (69°F average), while the coldest was 1989 (35°F) — a 34°F range across recorded history. Precipitation has occurred on 42% of recorded October 20th dates, with snow falling 4% of the time (heaviest snowfall: 2.6"). The last decade has been 4.6°F warmer on this date compared to 20-30 years ago.
The last decade has been 4.6°F warmer on this date compared to 20-30 years ago.
Planning for October 20th in Milwaukee, WI? Bring layers as temperatures can vary throughout the day. Consider bringing rain gear or an umbrella.
Warming Trend
0.4°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 59° | 38° | 48° | 0.3" | — |
| 2024 | 75° | 46° | 61° | — | — |
| 2023 | 56° | 50° | 53° | 0.43" | — |
| 2022 | 61° | 35° | 48° | — | — |
| 2021 | 70° | 53° | 61° | 0.91" | — |
| 2020 | 50° | 37° | 44° | 0.28" | — |
| 2019 | 58° | 46° | 52° | — | — |
| 2018 | 51° | 35° | 43° | — | — |
| 2017 | 80° | 52° | 66° | — | — |
| 2016 | 55° | 46° | 51° | — | — |
| 2015 | 73° | 57° | 65° | 0.08" | — |
| 2014 | 60° | 48° | 54° | — | — |
| 2013 | 52° | 35° | 43° | 0.03" | — |
| 2012 | 58° | 42° | 50° | — | — |
| 2011 | 46° | 41° | 44° | 0.33" | — |
| 2010 | 63° | 37° | 50° | — | — |
| 2009 | 68° | 43° | 55° | — | — |
| 2008 | 61° | 43° | 52° | 0.33" | — |
| 2007 | 57° | 45° | 51° | — | — |
| 2006 | 46° | 36° | 41° | — | — |
| 2005 | 59° | 37° | 48° | — | — |
| 2004 | 52° | 47° | 49° | 0.08" | — |
| 2003 | 63° | 45° | 54° | — | — |
| 2002 | 46° | 29° | 37° | 0.05" | — |
| 2001 | 63° | 38° | 50° | — | — |
| 2000 | 78° | 45° | 61° | — | — |
| 1999 | 58° | 38° | 48° | 0.03" | — |
| 1998 | 56° | 41° | 48° | — | — |
| 1997 | 46° | 35° | 41° | — | — |
| 1996 | 56° | 35° | 45° | — | — |
| 1995 | 51° | 43° | 47° | 1.17" | — |
| 1994 | 68° | 49° | 58° | — | — |
| 1993 | 56° | 46° | 51° | 0.25" | — |
| 1992 | 48° | 32° | 40° | 0.84" | 0.9" |
| 1991 | 55° | 37° | 46° | — | — |
| 1990 | 63° | 46° | 54° | — | — |
| 1989coldest | 38° | 33° | 35° | 1.19" | 2.6" |
| 1988 | 51° | 32° | 42° | 0.33" | — |
| 1987 | 58° | 37° | 47° | — | — |
| 1986 | 72° | 44° | 58° | — | — |
| 1985 | 55° | 50° | 53° | 0.03" | — |
| 1984 | 56° | 40° | 48° | 0.05" | — |
| 1983 | 49° | 48° | 48° | 0.36" | — |
| 1982 | 60° | 38° | 49° | 0.08" | — |
| 1981 | 65° | 45° | 55° | — | — |
| 1980 | 54° | 45° | 49° | — | — |
| 1979warmest | 77° | 61° | 69° | 1.68" | — |
| 1978 | 74° | 44° | 59° | — | — |
| 1977 | 66° | 39° | 53° | — | — |
| 1976 | 46° | 29° | 37° | — | — |
| 1975 | 68° | 40° | 54° | — | — |
| 1974 | 47° | 33° | 40° | 0.05" | — |
| 1973 | 57° | 43° | 50° | — | — |
| 1972 | 51° | 27° | 39° | 0.38" | — |
| 1971 | 72° | 60° | 66° | — | — |
55 years of data from W ALLIS