Milwaukee, WI All-Time Weather Extremes
The most extreme temperature, precipitation, and snowfall ever recorded in Milwaukee, from NOAA daily weather observations.
| Temperature | ||
|---|---|---|
| Record High | 104°F (40°C) | July 15, 2026 |
| Record Low | -25.9°F (-32°C) | January 20, 1985 |
| Lowest High | -11.9°F (-24°C) | January 15, 1972 |
| Highest Low | 80°F (27°C) | July 1, 1970 and July 15, 1980 |
| Highest Mean | 89.5°F (32°C) | July 10, 1976 |
| Lowest Mean | -16.4°F (-27°C) | January 20, 1985 |
| Precipitation | ||
| Max in One Calendar Day | 8.76" (222.5 mm) | August 10, 2025 |
| Max in One Month | 11.34" (288.0 mm) | June 2008 |
| Least in One Month | 0.04" (1.0 mm) | September 1979 |
| Max in One Year | 49.36" (1253.7 mm) | 2008 |
| Least in One Year | 27.06" (687.2 mm) | 2003 |
| Snowfall | ||
| Max in One Calendar Day | 13.6" (34.5 cm) | February 6, 1974 |
| Max in One Month | 45.8" (116.4 cm) | February 2008 |
| Max in One Season | 122.2" (310.3 cm) | 2007-08 |
| Max in One Year | 134.1" (340.6 cm) | 2008 |
| Earliest Snow | 0.8" (2.0 cm) | October 8, 2000 |
| Earliest Measurable Snow | 0.8" (2.0 cm) | October 8, 2000 |
| Latest Snow | 0.2" (0.5 cm) | April 22, 2002 |
| Latest Measurable Snow | 0.2" (0.5 cm) | April 22, 2002 |
| Period of Record | ||
| Temperature | January 1, 1970 – August 2, 2026 | |
| Precipitation | January 1, 1970 – August 2, 2026 | |
| Snowfall | January 1, 1970 – August 2, 2026 | |
Note: Records compiled from NOAA GHCN-Daily observations at W ALLIS (3 mi from Milwaukee, WI). Quality-flagged readings are excluded. Monthly and annual totals require substantially complete reporting for “least” records.
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Frequently Asked Questions
What is the hottest temperature ever recorded in Milwaukee, WI?
The all-time record high in Milwaukee, WI is 104°F (40°C), set on July 15, 2026.
What is the coldest temperature ever recorded in Milwaukee, WI?
The all-time record low in Milwaukee, WI is -25.9°F (-32°C), set on January 20, 1985.
What is the most rain Milwaukee, WI has ever had in one day?
The most precipitation recorded in one calendar day near Milwaukee, WI is 8.76 inches, on August 10, 2025.
What is the biggest snowfall ever recorded in Milwaukee, WI?
The most snow recorded in one calendar day near Milwaukee, WI is 13.6 inches, on February 6, 1974.
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