Frost dates · Wisconsin
When is the first frost in Milwaukee?
Milwaukee right now
38°FA few clouds
- Today42°F / 36°FClouds
- Tomorrow47°F / 33°FClear skies
- Monday48°F / 30°FClear skies
Grey. Shocking, I know.
Live from OpenWeatherMap. Alerts from the National Weather Service.
In a typical year, Milwaukee’s first frost comes around October 29 and its last around April 19.
One year in ten the first frost comes as early as October 15, and nine years in ten it has arrived by November 10. One year in ten the last frost is over as early as April 6, and nine years in ten it is over by May 2. Milwaukee averages about 123 nights a year at 32°F or colder, with about 192 frost-free days in between in a typical year. It’s frost season here, and the last frost usually comes around April 19. That makes it the 52nd latest first frost of the 117 cities we track where it freezes most years.
Last updated
A freeze is in the forecast for the next 48 hours.
Milwaukee’s first frost waits until late October, because Lake Michigan likes to keep a little warmth for itself.
Live 48-hour check from OpenWeatherMap, refreshed about every half hour. Alerts from the National Weather Service.
Frost dates, early, typical and late years
| Early year (1 in 10) | Typical | Late year (1 in 10) | |
|---|---|---|---|
| First frost | October 15 | October 29 | November 10 |
| Last frost | April 6 | April 19 | May 2 |
A frost date here is a night when the official thermometer reads 32°F or colder. Frost on the ground can show up on clear, calm nights a few degrees milder.
Cities with about the same first frost
- Medford, Oregon: first frost around October 29
- Wichita, Kansas: first frost around October 29
- Asheville, North Carolina: first frost around October 28
Source: NOAA U.S. Climate Normals, 1991 to 2020, station USW00014839.