Weather on April 18
Green Bay, WI
55 Years of Data
Avg High
58°F
Avg Low
36°F
Warmest
1987
65°F avg
Coldest
1983
28°F avg
About This Date
April 18th in Green Bay, WI typically brings cool spring weather, with average highs around 58°F and lows near 36°F. Over 55 years of records, the warmest April 18th was in 1987 (65°F average), while the coldest was 1983 (28°F) — a 37°F range across recorded history. Precipitation has occurred on 33% of recorded April 18th dates, with snow falling 2% of the time (heaviest snowfall: 1.1"). The last decade has been 2.5°F cooler on this date compared to 20-30 years ago.
The last decade has been 2.5°F cooler on this date compared to 20-30 years ago.
Planning for April 18th in Green Bay, WI? Bring layers as temperatures can vary throughout the day. Consider bringing rain gear or an umbrella.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 68° | 46° | 57° | 1.68" | — |
| 2024 | 55° | 43° | 49° | — | — |
| 2023 | 54° | 32° | 43° | — | — |
| 2022 | 37° | 31° | 34° | 0.48" | 1.1" |
| 2021 | 61° | 34° | 47° | — | — |
| 2020 | 62° | 32° | 47° | 0.1" | — |
| 2019 | 47° | 41° | 44° | — | — |
| 2018 | 36° | 31° | 34° | — | — |
| 2017 | 62° | 37° | 50° | — | — |
| 2016 | 82° | 41° | 62° | — | — |
| 2015 | 58° | 43° | 50° | — | — |
| 2014 | 50° | 32° | 41° | — | — |
| 2013 | 46° | 36° | 41° | 0.53" | — |
| 2012 | 67° | 35° | 51° | 0.25" | — |
| 2011 | 41° | 28° | 35° | — | — |
| 2010 | 54° | 33° | 43° | — | — |
| 2009 | 75° | 43° | 59° | — | — |
| 2008 | 50° | 42° | 46° | 0.64" | — |
| 2007 | 50° | 39° | 45° | 0.03" | — |
| 2006 | 63° | 35° | 49° | — | — |
| 2005 | 79° | 43° | 61° | 0.05" | — |
| 2004 | 78° | 47° | 62° | — | — |
| 2003 | 40° | 33° | 36° | — | — |
| 2002 | 78° | 50° | 64° | 1.09" | — |
| 2001 | 54° | 26° | 40° | — | — |
| 2000 | 50° | 36° | 43° | — | — |
| 1999 | 47° | 29° | 38° | — | — |
| 1998 | 64° | 38° | 51° | — | — |
| 1997 | 49° | 24° | 36° | 0.03" | — |
| 1996 | 76° | 46° | 61° | 0.81" | — |
| 1995 | 45° | 39° | 42° | 2.64" | — |
| 1994 | 83° | 40° | 61° | — | — |
| 1993 | 60° | 32° | 46° | 0.03" | — |
| 1992 | 51° | 38° | 44° | — | — |
| 1991 | 58° | 32° | 45° | — | — |
| 1990 | 59° | 26° | 43° | — | — |
| 1989 | 52° | 27° | 39° | — | — |
| 1988 | 45° | 25° | 35° | — | — |
| 1987warmest | 82° | 49° | 65° | — | — |
| 1986 | 63° | 34° | 48° | — | — |
| 1985 | 78° | 39° | 59° | — | — |
| 1984 | 48° | 37° | 43° | — | — |
| 1983coldest | 37° | 20° | 28° | — | — |
| 1982 | 58° | 27° | 42° | — | — |
| 1981 | 53° | 39° | 46° | — | — |
| 1980 | 73° | 36° | 54° | — | — |
| 1979 | 58° | 34° | 46° | — | — |
| 1978 | 44° | 36° | 40° | 0.43" | — |
| 1977 | 72° | 49° | 60° | 0.15" | — |
| 1976 | 74° | 55° | 64° | 0.28" | — |
| 1975 | 55° | 35° | 45° | 0.58" | — |
| 1974 | 44° | 30° | 37° | — | — |
| 1973 | 70° | 40° | 55° | — | — |
| 1972 | 56° | 37° | 46° | 0.08" | — |
| 1971 | 57° | 39° | 48° | — | — |
55 years of data from GREEN BAY