Weather on January 21
Milwaukee, WI
55 Years of Data
Avg High
28°F
Avg Low
14°F
Warmest
2017
47°F avg
Coldest
1984
-4°F avg
About This Date
January 21st in Milwaukee, WI typically brings very cold winter weather, with average highs around 28°F and lows near 14°F. Over 56 years of records, the warmest January 21st was in 2017 (47°F average), while the coldest was 1984 (-4°F) — a 51°F range across recorded history. Precipitation has occurred on 32% of recorded January 21st dates, with snow falling 18% of the time (heaviest snowfall: 5.6"). 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 January 21st in Milwaukee, WI? Bundle up with warm layers and protect extremities from the cold. Consider bringing rain gear or an umbrella.
Cooling Trend
1.7°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 19° | -2° | 9° | 0.15" | 1.2" |
| 2025 | 5° | -11° | -3° | — | — |
| 2024 | 20° | 0° | 10° | — | — |
| 2023 | 32° | 29° | 31° | — | — |
| 2022 | 26° | 6° | 16° | — | — |
| 2021 | 41° | 25° | 33° | — | — |
| 2020 | 29° | 12° | 21° | — | — |
| 2019 | 22° | 4° | 13° | 0.03" | 0.9" |
| 2018 | 40° | 28° | 34° | 0.1" | — |
| 2017warmest | 56° | 38° | 47° | 0.08" | — |
| 2016 | 26° | 16° | 21° | — | — |
| 2015 | 31° | 27° | 29° | 0.05" | 0.4" |
| 2014 | 10° | 0° | 5° | — | — |
| 2013 | 12° | -2° | 5° | — | 0.1" |
| 2012 | 27° | 6° | 16° | — | — |
| 2011 | 9° | -5° | 2° | — | — |
| 2010 | 30° | 28° | 29° | — | — |
| 2009 | 27° | 10° | 18° | — | — |
| 2008 | 9° | -6° | 2° | — | — |
| 2007 | 29° | 6° | 17° | 0.15" | 0.4" |
| 2006 | 36° | 16° | 26° | 1.24" | 5.6" |
| 2005 | 28° | 19° | 24° | 0.36" | 1.4" |
| 2004 | 25° | 2° | 13° | — | — |
| 2003 | 18° | -1° | 9° | — | — |
| 2002 | 35° | 21° | 28° | — | — |
| 2001 | 26° | 12° | 19° | — | — |
| 2000 | 13° | -7° | 3° | — | — |
| 1999 | 35° | 27° | 31° | 0.53" | — |
| 1998 | 31° | 28° | 29° | 0.76" | 3.2" |
| 1997 | 46° | 30° | 38° | 0.18" | — |
| 1996 | 32° | 14° | 23° | — | — |
| 1995 | 29° | 22° | 25° | 0.23" | 0.6" |
| 1994 | 22° | -4° | 9° | — | — |
| 1993 | 39° | 34° | 36° | 1.6" | — |
| 1992 | 36° | 27° | 31° | — | — |
| 1991 | 15° | 4° | 9° | — | — |
| 1990 | 31° | 20° | 25° | 0.25" | 1" |
| 1989 | 36° | 17° | 26° | — | — |
| 1988 | 29° | 24° | 26° | — | — |
| 1987 | 33° | 17° | 25° | — | — |
| 1986 | 42° | 26° | 34° | — | — |
| 1985 | 22° | -7° | 7° | — | — |
| 1984coldest | 8° | -17° | -4° | — | — |
| 1983 | 36° | 29° | 32° | — | — |
| 1982 | 26° | 21° | 24° | 0.15" | — |
| 1981 | 33° | 28° | 31° | — | — |
| 1980 | 35° | 20° | 27° | — | — |
| 1979 | 30° | 22° | 26° | 0.28" | — |
| 1978 | 26° | 9° | 17° | — | — |
| 1977 | 22° | 11° | 16° | — | — |
| 1976 | 26° | 17° | 22° | — | — |
| 1975 | 35° | 17° | 26° | — | — |
| 1974 | 37° | 34° | 35° | — | — |
| 1973 | 36° | 29° | 32° | 0.61" | — |
| 1972 | 35° | 15° | 25° | 0.13" | — |
| 1971 | 34° | 24° | 29° | — | — |
56 years of data from W ALLIS