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Whitefish Bay, WI Weather & Growing Conditions

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

Tonight
61°F
Showers And Thunderstorms Likely
Showers and thunderstorms likely. Cloudy, with a low around 61. Northeast wind 5 to 10 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.

7-day forecast for Whitefish Bay

WhenTempForecastWindPrecip
Tonight 61°F Showers And Thunderstorms Likely 5 to 10 mph NE 74%
Sunday 64°F Chance Showers And Thunderstorms then Mostly Cloudy 10 to 20 mph NE 44%
Sunday Night 54°F Mostly Cloudy 15 to 20 mph NE 2%
Monday 62°F Mostly Cloudy 15 mph NE 6%
Monday Night 52°F Cloudy 10 to 15 mph NE 10%
Tuesday 62°F Mostly Cloudy 10 to 15 mph NE 13%
Tuesday Night 53°F Mostly Cloudy 10 to 15 mph NE 9%
Wednesday 63°F Slight Chance Rain Showers 10 to 15 mph NE 15%
Wednesday Night 54°F Mostly Cloudy 5 to 10 mph NE 6%
Thursday 64°F Partly Sunny 5 to 10 mph NE 3%
Thursday Night 55°F Mostly Cloudy 0 to 5 mph NE 6%
Friday 67°F Partly Sunny 5 mph NE 5%
Friday Night 56°F Partly Cloudy 0 to 5 mph NE 4%
Saturday 68°F Mostly Sunny 0 to 5 mph NE 4%

Forecast source: National Weather Service (api.weather.gov) for Whitefish Bay (43.113, -87.900). Updated through the day.

Growing snapshot for Whitefish Bay

Last spring frost
Apr 26
First fall frost
Oct 18
Growing season
173 days
Hardiness zone
6a

More local growing data for Whitefish Bay: nearby ZIP 53211 weather · frost dates · planting calendar · Wisconsin frost dates

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Climate data from the nearest NOAA station, Mt Mary College, Wi (7.4 mi from Whitefish Bay). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.