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Greendale, WI Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Greendale, a village in Milwaukee County, Wisconsin.

Overnight
58°F
Light Rain
Rain. Cloudy, with a low around 58. South wind around 10 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.

7-day forecast for Greendale

WhenTempForecastWindPrecip
Overnight 58°F Light Rain 10 mph S 82%
Wednesday 64°F Chance Light Rain 10 to 15 mph S 43%
Wednesday Night 46°F Cloudy then Slight Chance Light Rain 15 mph SW 17%
Thursday 56°F Chance Light Rain 10 to 15 mph W 50%
Thursday Night 38°F Chance Light Rain then Cloudy 10 to 15 mph N 49%
Friday 49°F Slight Chance Light Rain then Mostly Cloudy 10 to 15 mph N 15%
Friday Night 33°F Partly Cloudy 5 to 10 mph N 2%
Saturday 50°F Sunny 5 mph NW 0%
Saturday Night 34°F Partly Cloudy 5 mph W 1%
Sunday 55°F Sunny 5 to 10 mph W 7%
Sunday Night 36°F Mostly Clear 5 to 10 mph W 1%
Monday 59°F Sunny 5 to 15 mph SW 0%
Monday Night 40°F Partly Cloudy 5 to 10 mph W 1%
Tuesday 59°F Sunny 5 to 10 mph NW 2%

Forecast source: National Weather Service (api.weather.gov) for Greendale (42.940, -88.001). Updated through the day.

Growing snapshot for Greendale

Last spring frost
May 3
First fall frost
Oct 14
Growing season
162 days
Hardiness zone
5b

More local growing data for Greendale: nearby ZIP 53129 weather · frost dates · planting calendar · Wisconsin frost dates

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Climate data from the nearest NOAA station, Hales Corners/Whitnall Park/Bo, Wi (1.5 mi from Greendale). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.