Weather on October 31
Green Bay, WI
55 Years of Data
Avg High
52°F
Avg Low
36°F
Warmest
1974
57°F avg
Coldest
1996
29°F avg
About This Date
October 31st in Green Bay, WI typically brings cool fall weather, with average highs around 52°F and lows near 36°F. Over 55 years of records, the warmest October 31st was in 1974 (57°F average), while the coldest was 1996 (29°F) — a 28°F range across recorded history. Precipitation has occurred on 40% of recorded October 31st dates, with snow falling 4% of the time (heaviest snowfall: 1.9"). The last decade has been 3.8°F cooler on this date compared to 20-30 years ago.
The last decade has been 3.8°F cooler on this date compared to 20-30 years ago.
Planning for October 31st in Green Bay, WI? Bring layers as temperatures can vary throughout the day. Consider bringing rain gear or an umbrella.
Cooling Trend
0.3°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 53° | 38° | 45° | — | — |
| 2024 | 56° | 41° | 48° | 1.47" | — |
| 2023 | 40° | 26° | 33° | 0.2" | 0.7" |
| 2022 | 68° | 39° | 54° | — | — |
| 2021 | 51° | 35° | 43° | — | — |
| 2020 | 56° | 24° | 40° | — | — |
| 2019 | 36° | 28° | 32° | 0.15" | 1.9" |
| 2018 | 58° | 34° | 46° | — | — |
| 2017 | 37° | 31° | 34° | — | — |
| 2016 | 56° | 38° | 47° | — | — |
| 2015 | 49° | 41° | 45° | 0.74" | — |
| 2014 | 41° | 32° | 37° | — | — |
| 2013 | 58° | 46° | 52° | 2.97" | — |
| 2012 | 47° | 28° | 37° | — | — |
| 2011 | 45° | 37° | 41° | — | — |
| 2010 | 48° | 30° | 39° | — | — |
| 2009 | 45° | 35° | 40° | 0.08" | — |
| 2008 | 64° | 39° | 52° | — | — |
| 2007 | 58° | 40° | 49° | — | — |
| 2006 | 57° | 29° | 43° | — | — |
| 2005 | 57° | 41° | 49° | — | — |
| 2004 | 48° | 38° | 43° | — | — |
| 2003 | 49° | 43° | 46° | 0.1" | — |
| 2002 | 40° | 26° | 33° | — | — |
| 2001 | 60° | 45° | 52° | 0.05" | — |
| 2000 | 67° | 46° | 56° | — | — |
| 1999 | 64° | 33° | 49° | — | — |
| 1998 | 54° | 48° | 51° | — | — |
| 1997 | 61° | 43° | 52° | 0.03" | — |
| 1996coldest | 33° | 24° | 29° | — | — |
| 1995 | 44° | 33° | 39° | 0.15" | — |
| 1994 | 49° | 37° | 43° | — | — |
| 1993 | 40° | 29° | 34° | — | — |
| 1992 | 43° | 29° | 36° | — | — |
| 1991 | 47° | 32° | 39° | 0.03" | — |
| 1990 | 59° | 39° | 49° | — | — |
| 1989 | 44° | 34° | 39° | 0.03" | — |
| 1988 | 45° | 22° | 33° | 0.23" | — |
| 1987 | 50° | 35° | 43° | — | — |
| 1986 | 59° | 46° | 53° | 0.23" | — |
| 1985 | 53° | 33° | 43° | 0.99" | — |
| 1984 | 53° | 25° | 39° | 1.02" | — |
| 1983 | 57° | 28° | 43° | — | — |
| 1982 | 50° | 42° | 46° | — | — |
| 1981 | 60° | 46° | 53° | 0.05" | — |
| 1980 | 54° | 31° | 42° | — | — |
| 1979 | 62° | 47° | 54° | 1.45" | — |
| 1978 | 51° | 28° | 40° | — | — |
| 1977 | 56° | 43° | 49° | 0.33" | — |
| 1976 | 48° | 26° | 37° | — | — |
| 1975 | 58° | 44° | 51° | — | — |
| 1974warmest | 67° | 48° | 57° | 0.33" | — |
| 1973 | 43° | 36° | 39° | 1.24" | — |
| 1972 | 42° | 38° | 40° | 0.1" | — |
| 1971 | 49° | 32° | 40° | — | — |
55 years of data from GREEN BAY