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Milwaukee, WI Weather on April 9
Milwaukee hit 75°F on April 9, 2017, a 26-degree swing from normal
April 9 in Milwaukee typically settles into spring's cool grip with an average high of 49°F, but the city has experienced dramatic extremes across 55 years of records. The record high of 75°F set in 2017 was a stunning 26 degrees above the seasonal norm, while the record low of 20°F in 1989 plunged 14 degrees below the average low of 34°F. These bookend temperatures illustrate the volatile nature of Milwaukee's early spring weather.
What to Expect on April 9
Planning for April 9th in Milwaukee, WI? Bring layers as temperatures can vary throughout the day. Consider bringing rain gear or an umbrella.
Frequently Asked Questions
What was the warmest April 9 ever in Milwaukee?
The warmest April 9 in Milwaukee, WI reached 75°F in 2017. That is 25°F above the long-term average high of 50°F.
What was the coldest April 9 ever in Milwaukee?
The coldest April 9 in Milwaukee, WI dropped to 20°F in 2003. That is 13°F below the long-term average low of 33°F.
What is the average temperature on April 9 in Milwaukee?
On April 9, Milwaukee averages a high of 50°F and a low of 33°F based on 55 years of NOAA weather observations from W ALLIS.
How many years of weather data are available for April 9 in Milwaukee?
We have 55 years of weather records for April 9 in Milwaukee, WI, sourced from NOAA's Global Historical Climatology Network. Records include daily high and low temperatures, precipitation, and snowfall data going back to 2025.
April 9 Weather History in Milwaukee
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 43°F | 23°F | 0" | -- |
| 2024 | 67°F | 45°F | 0" | -- |
| 2023 | 68°F | 36°F | 0" | -- |
| 2022 | 46°F | 34°F | 0" | -- |
| 2021 | 60°F | 48°F | 0.03" | -- |
| 2020 | 47°F | 36°F | 0" | -- |
| 2019 | 66°F | 36°F | 0" | -- |
| 2018 | 37°F | 29°F | 0.08" | 0.5" |
| 2017 | 75°F | 56°F | 0" | -- |
| 2016 | 33°F | 21°F | 0" | -- |
| 2015 | 54°F | 37°F | 8.08" | -- |
| 2014 | 62°F | 30°F | 0" | -- |
| 2013 | 39°F | 35°F | 4.57" | -- |
| 2012 | 58°F | 37°F | 0" | -- |
| 2011 | 52°F | 41°F | 0" | -- |
| 2010 | 39°F | 26°F | 0.05" | 0.2" |
| 2009 | 57°F | 30°F | 0" | -- |
| 2008 | 44°F | 36°F | 3.58" | -- |
| 2007 | 38°F | 24°F | 0" | -- |
| 2006 | 47°F | 28°F | 0" | -- |
| 2005 | 62°F | 40°F | 0" | -- |
| 2004 | 55°F | 37°F | 0" | -- |
| 2003 | 37°F | 20°F | 0" | -- |
| 2002 | 50°F | 37°F | 3.68" | -- |
| 2001 | 72°F | 38°F | 3.35" | -- |
| 2000 | 38°F | 25°F | 0" | -- |
| 1999 | 61°F | 25°F | 5.36" | -- |
| 1998 | 43°F | 37°F | 1.8" | -- |
| 1997 | 32°F | 20°F | 0" | -- |
| 1996 | 46°F | 31°F | 0" | -- |
| 1995 | 39°F | 31°F | 0.23" | 0.2" |
| 1994 | 66°F | 43°F | 0" | -- |
| 1993 | 59°F | 44°F | 0.1" | -- |
| 1992 | 52°F | 41°F | 0.05" | -- |
| 1991 | 42°F | 33°F | 1.04" | 0.3" |
| 1990 | 59°F | 44°F | 1.12" | -- |
| 1989 | 32°F | 20°F | 0.08" | 0.3" |
| 1988 | 56°F | 34°F | 0" | -- |
| 1987 | 74°F | 36°F | 0" | -- |
| 1986 | 46°F | 32°F | 0" | -- |
| 1985 | 38°F | 25°F | 0" | -- |
| 1984 | 52°F | 39°F | 0" | -- |
| 1983 | 42°F | 37°F | 2.62" | -- |
| 1982 | 40°F | 27°F | 0" | -- |
| 1981 | 65°F | 39°F | 0" | -- |
| 1980 | 40°F | 33°F | 1.07" | -- |
| 1979 | 40°F | 28°F | 0.03" | -- |
| 1978 | 48°F | 35°F | 0.23" | -- |
| 1977 | 56°F | 30°F | 0" | -- |
| 1976 | 63°F | 31°F | 0" | -- |
| 1975 | 37°F | 30°F | 0" | -- |
| 1974 | 47°F | 25°F | 0" | -- |
| 1973 | 37°F | 29°F | 2.34" | 9.5" |
| 1972 | 45°F | 26°F | 0" | -- |
| 1971 | 60°F | 38°F | 0" | -- |
Based on 55 years of data from NOAA station: W ALLIS
How Has April 9 Changed?
The last decade has been 5.0°F warmer on this date compared to 20-30 years ago.
Monthly Climate Averages
Historical temperature and precipitation averages for Milwaukee, WI, based on 55+ years of weather data.
Temperatures in Fahrenheit. Precipitation and snowfall in inches.