Weather on April 18
Madison, WI
55 Years of Data
Avg High
62°F
Avg Low
36°F
Warmest
1976
73°F avg
Coldest
1983
26°F avg
About This Date
April 18th in Madison, WI typically brings mild spring weather, with average highs around 62°F and lows near 36°F — a 26°F daily swing. Over 55 years of records, the warmest April 18th was in 1976 (73°F average), while the coldest was 1983 (26°F) — a 47°F range across recorded history. Precipitation has occurred on 27% of recorded April 18th dates, with snow falling 2% of the time (heaviest snowfall: 1.3"). Temperatures on this date have remained relatively stable over the past several decades.
Temperatures on this date have remained relatively stable over the past several decades.
Planning for April 18th in Madison, WI? Great weather for outdoor activities.
Cooling Trend
0.9°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 63° | 48° | 55° | 1.98" | — |
| 2024 | 64° | 40° | 52° | 0.03" | — |
| 2023 | 40° | 30° | 35° | — | — |
| 2022 | 48° | 31° | 39° | 0.2" | 1.3" |
| 2021 | 61° | 36° | 48° | — | — |
| 2020 | 51° | 31° | 41° | — | — |
| 2019 | 67° | 44° | 55° | 0.18" | — |
| 2018 | 41° | 28° | 35° | — | — |
| 2017 | 70° | 38° | 54° | — | — |
| 2016 | 81° | 45° | 63° | — | — |
| 2015 | 80° | 47° | 63° | — | — |
| 2014 | 55° | 28° | 42° | — | — |
| 2013 | 55° | 34° | 44° | 4.6" | — |
| 2012 | 57° | 31° | 44° | — | — |
| 2011 | 52° | 32° | 42° | 0.08" | — |
| 2010 | 63° | 29° | 46° | — | — |
| 2009 | 72° | 31° | 51° | — | — |
| 2008 | 66° | 43° | 54° | 1.22" | — |
| 2007 | 64° | 38° | 51° | 0.03" | — |
| 2006 | 65° | 33° | 49° | — | — |
| 2005 | 76° | 43° | 59° | — | — |
| 2004 | 83° | 48° | 65° | — | — |
| 2003 | 51° | 35° | 43° | — | — |
| 2002 | 81° | 53° | 67° | — | — |
| 2001 | 51° | 27° | 39° | — | — |
| 2000 | 40° | 35° | 37° | — | — |
| 1999 | 51° | 36° | 43° | 0.05" | — |
| 1998 | 59° | 31° | 45° | 0.3" | — |
| 1997 | 55° | 24° | 40° | — | — |
| 1996 | 65° | 26° | 45° | — | — |
| 1995 | 60° | 37° | 49° | 0.94" | — |
| 1994 | 68° | 35° | 52° | — | — |
| 1993 | 60° | 33° | 47° | 0.13" | — |
| 1992 | 43° | 32° | 37° | — | — |
| 1991 | 62° | 32° | 47° | — | — |
| 1990 | 47° | 22° | 34° | — | — |
| 1989 | 59° | 33° | 46° | 0.08" | — |
| 1988 | 70° | 26° | 48° | — | — |
| 1987 | 76° | 47° | 61° | — | — |
| 1986 | 62° | 32° | 47° | — | — |
| 1985 | 77° | 42° | 60° | — | — |
| 1984 | 50° | 35° | 43° | — | — |
| 1983coldest | 38° | 14° | 26° | — | — |
| 1982 | 56° | 27° | 41° | — | — |
| 1981 | 77° | 40° | 58° | — | — |
| 1980 | 67° | 34° | 50° | — | — |
| 1979 | 65° | 25° | 45° | — | — |
| 1978 | 53° | 37° | 45° | 1.8" | — |
| 1977 | 85° | 50° | 67° | — | — |
| 1976warmest | 82° | 64° | 73° | 0.03" | — |
| 1975 | 67° | 42° | 54° | — | — |
| 1974 | 66° | 45° | 55° | — | — |
| 1973 | 61° | 33° | 47° | — | — |
| 1972 | 73° | 53° | 63° | — | — |
| 1971 | 60° | 42° | 51° | — | — |
55 years of data from UW ARBORETUM - MADISON