Weather on March 15
Milwaukee, WI
55 Years of Data
Avg High
45°F
Avg Low
28°F
Warmest
2025
61°F avg
Coldest
1979
17°F avg
About This Date
March 15th in Milwaukee, WI typically brings chilly spring weather, with average highs around 45°F and lows near 28°F. Over 56 years of records, the warmest March 15th was in 2025 (61°F average), while the coldest was 1979 (17°F) — a 44°F range across recorded history. Precipitation has occurred on 30% of recorded March 15th dates, with snow falling 9% of the time. The last decade has been 3.7°F warmer on this date compared to 20-30 years ago.
The last decade has been 3.7°F warmer on this date compared to 20-30 years ago.
Planning for March 15th in Milwaukee, WI? Bring layers as temperatures can vary throughout the day. Consider bringing rain gear or an umbrella.
Warming Trend
0.5°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 36° | 23° | 29° | 0.05" | 0.1" |
| 2025warmest | 76° | 46° | 61° | 0.3" | — |
| 2024 | 46° | 33° | 40° | 3.89" | — |
| 2023 | 46° | 21° | 34° | — | — |
| 2022 | 41° | 30° | 36° | — | — |
| 2021 | 37° | 32° | 35° | 0.41" | 0.8" |
| 2020 | 39° | 31° | 35° | — | — |
| 2019 | 41° | 35° | 38° | — | — |
| 2018 | 42° | 28° | 35° | — | — |
| 2017 | 33° | 16° | 25° | — | — |
| 2016 | 49° | 35° | 42° | 1.09" | — |
| 2015 | 60° | 29° | 45° | — | — |
| 2014 | 39° | 22° | 31° | — | — |
| 2013 | 38° | 29° | 33° | 0.13" | 0.7" |
| 2012 | 72° | 44° | 58° | — | — |
| 2011 | 42° | 26° | 34° | — | — |
| 2010 | 52° | 40° | 46° | — | — |
| 2009 | 55° | 25° | 40° | — | — |
| 2008 | 53° | 27° | 40° | — | — |
| 2007 | 56° | 29° | 42° | 0.15" | — |
| 2006 | 40° | 21° | 30° | — | — |
| 2005 | 40° | 20° | 30° | — | — |
| 2004 | 39° | 26° | 33° | — | — |
| 2003 | 54° | 26° | 40° | — | — |
| 2002 | 49° | 34° | 41° | — | — |
| 2001 | 44° | 32° | 38° | 0.2" | — |
| 2000 | 53° | 36° | 44° | 0.03" | — |
| 1999 | 41° | 23° | 32° | — | — |
| 1998 | 29° | 18° | 23° | — | — |
| 1997 | 22° | 12° | 17° | — | — |
| 1996 | 49° | 28° | 38° | — | — |
| 1995 | 58° | 43° | 50° | — | — |
| 1994 | 47° | 25° | 36° | — | — |
| 1993 | 43° | 8° | 25° | 0.08" | 0.3" |
| 1992 | 36° | 20° | 28° | — | — |
| 1991 | 42° | 26° | 34° | — | — |
| 1990 | 67° | 46° | 56° | 0.1" | — |
| 1989 | 41° | 24° | 33° | 0.25" | — |
| 1988 | 30° | 15° | 23° | — | — |
| 1987 | 36° | 29° | 32° | — | — |
| 1986 | 38° | 33° | 35° | — | — |
| 1985 | 49° | 27° | 38° | — | — |
| 1984 | 46° | 32° | 39° | 1.98" | — |
| 1983 | 39° | 32° | 36° | 0.1" | — |
| 1982 | 41° | 35° | 38° | — | — |
| 1981 | 60° | 26° | 43° | — | — |
| 1980 | 41° | 31° | 36° | — | — |
| 1979coldest | 27° | 7° | 17° | — | — |
| 1978 | 36° | 32° | 34° | — | — |
| 1977 | 66° | 40° | 53° | — | — |
| 1976 | 33° | 22° | 27° | — | — |
| 1975 | 42° | 24° | 33° | — | — |
| 1974 | 45° | 33° | 39° | 0.43" | — |
| 1973 | 57° | 44° | 51° | — | — |
| 1972 | 40° | 25° | 32° | 0.41" | 0.4" |
| 1971 | 55° | 25° | 40° | 0.08" | — |
56 years of data from W ALLIS