Weather on March 18
Milwaukee, WI
55 Years of Data
Avg High
44°F
Avg Low
29°F
Warmest
2012
67°F avg
Coldest
2026
16°F avg
About This Date
March 18th in Milwaukee, WI typically brings chilly spring weather, with average highs around 44°F and lows near 29°F. Over 56 years of records, the warmest March 18th was in 2012 (67°F average), while the coldest was 2026 (16°F) — a 51°F range across recorded history. Precipitation has occurred on 43% of recorded March 18th dates, with snow falling 18% of the time (heaviest snowfall: 6.2"). The last decade has been 2.0°F cooler on this date compared to 20-30 years ago.
The last decade has been 2.0°F cooler on this date compared to 20-30 years ago.
Planning for March 18th in Milwaukee, WI? Bring layers as temperatures can vary throughout the day. Consider bringing rain gear or an umbrella.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026coldest | 24° | 9° | 16° | 0.03" | 0.1" |
| 2025 | 54° | 20° | 37° | — | — |
| 2024 | 37° | 24° | 31° | — | — |
| 2023 | 27° | 13° | 20° | — | 0.4" |
| 2022 | 42° | 36° | 39° | 0.64" | — |
| 2021 | 43° | 37° | 40° | 0.1" | — |
| 2020 | 40° | 37° | 38° | 0.05" | — |
| 2019 | 44° | 29° | 37° | — | — |
| 2018 | 59° | 33° | 46° | — | — |
| 2017 | 43° | 36° | 39° | 0.03" | — |
| 2016 | 41° | 33° | 37° | 0.2" | 0.3" |
| 2015 | 50° | 32° | 41° | — | — |
| 2014 | 41° | 29° | 35° | — | — |
| 2013 | 34° | 20° | 27° | 0.46" | 1.2" |
| 2012warmest | 79° | 55° | 67° | — | — |
| 2011 | 50° | 35° | 43° | — | — |
| 2010 | 66° | 30° | 48° | — | — |
| 2009 | 75° | 40° | 57° | — | — |
| 2008 | 35° | 33° | 34° | 0.64" | — |
| 2007 | 39° | 20° | 29° | — | — |
| 2006 | 42° | 19° | 31° | — | — |
| 2005 | 35° | 24° | 30° | 1.09" | 4.4" |
| 2004 | 35° | 28° | 32° | 0.13" | 0.5" |
| 2003 | 72° | 40° | 56° | — | — |
| 2002 | 39° | 31° | 35° | 0.1" | — |
| 2001 | 42° | 20° | 31° | — | — |
| 2000 | 36° | 27° | 31° | — | — |
| 1999 | 61° | 34° | 47° | — | — |
| 1998 | 36° | 35° | 35° | 1.19" | — |
| 1997 | 36° | 27° | 31° | — | — |
| 1996 | 47° | 27° | 37° | — | — |
| 1995 | 46° | 33° | 40° | 0.05" | — |
| 1994 | 36° | 26° | 31° | 0.05" | 0.3" |
| 1993 | 28° | 13° | 20° | — | — |
| 1992 | 34° | 30° | 32° | — | — |
| 1991 | 49° | 36° | 42° | 0.1" | — |
| 1990 | 43° | 25° | 34° | — | — |
| 1989 | 27° | 14° | 20° | 0.03" | 0.2" |
| 1988 | 41° | 26° | 34° | — | — |
| 1987 | 42° | 34° | 38° | 0.18" | — |
| 1986 | 50° | 36° | 43° | 0.71" | — |
| 1985 | 48° | 24° | 36° | — | — |
| 1984 | 32° | 26° | 29° | — | 1" |
| 1983 | 41° | 33° | 37° | 2.92" | — |
| 1982 | 44° | 32° | 38° | — | — |
| 1981 | 34° | 22° | 28° | 0.05" | — |
| 1980 | 52° | 25° | 38° | — | — |
| 1979 | 59° | 39° | 49° | 0.43" | — |
| 1978 | 38° | 16° | 27° | — | — |
| 1977 | 34° | 26° | 30° | 1.02" | — |
| 1976 | 64° | 31° | 47° | — | — |
| 1975 | 56° | 36° | 46° | — | — |
| 1974 | 49° | 30° | 39° | 0.28" | — |
| 1973 | 44° | 27° | 35° | — | — |
| 1972 | 37° | 24° | 31° | — | — |
| 1971 | 37° | 31° | 34° | 1.55" | 6.2" |
56 years of data from W ALLIS