Brown Deer, WI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Brown Deer, a village in Milwaukee County, Wisconsin.
Today
66°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 1pm, then a chance of showers and thunderstorms between 1pm and 2pm, then showers and thunderstorms. Cloudy, with a high near 66. Southeast wind around 10 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast for Brown Deer
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 66°F | Chance Showers And Thunderstorms | 10 mph SE | 75% |
| Tonight | 60°F | Showers And Thunderstorms | 5 to 10 mph NE | 84% |
| Sunday | 64°F | Chance Rain Showers then Cloudy | 15 to 20 mph NE | 40% |
| Sunday Night | 52°F | Mostly Cloudy | 10 to 20 mph NE | 2% |
| Monday | 63°F | Mostly Cloudy | 10 to 15 mph NE | 5% |
| Monday Night | 50°F | Mostly Cloudy | 10 to 15 mph NE | 4% |
| Tuesday | 63°F | Partly Sunny | 10 to 15 mph NE | 6% |
| Tuesday Night | 51°F | Partly Cloudy | 5 to 15 mph NE | 7% |
| Wednesday | 64°F | Mostly Sunny | 5 to 15 mph NE | 8% |
| Wednesday Night | 51°F | Mostly Cloudy | 5 to 10 mph NE | 4% |
| Thursday | 66°F | Mostly Sunny | 5 to 10 mph NE | 4% |
| Thursday Night | 52°F | Partly Cloudy | 0 to 5 mph NE | 4% |
| Friday | 69°F | Mostly Sunny | 5 mph NE | 5% |
| Friday Night | 53°F | Partly Cloudy | 0 to 5 mph NE | 4% |
Forecast source: National Weather Service (api.weather.gov) for Brown Deer (43.174, -87.975). Updated through the day.
Growing snapshot for Brown Deer
Last spring frost
Apr 26
First fall frost
Oct 18
Growing season
173 days
Hardiness zone
6a
More local growing data for Brown Deer: nearby ZIP 53223 weather · frost dates · planting calendar · Wisconsin frost dates
Nearby towns & communities
Bayside
Cudahy
Fox Point
Franklin
Glendale
Greendale
Greenfield
Hales Corners
Milwaukee
Oak Creek
River Hills
Shorewood
South Milwaukee
St. Francis
Wauwatosa
West Allis
West Milwaukee
Whitefish Bay
Climate data from the nearest NOAA station, Mt Mary College, Wi (6.5 mi from Brown Deer). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.