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Bayside, WI Weather & Growing Conditions

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

This Afternoon
64°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms after 3pm. Cloudy, with a high near 64. East wind 5 to 10 mph. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.

7-day forecast for Bayside

WhenTempForecastWindPrecip
This Afternoon 64°F Chance Showers And Thunderstorms 5 to 10 mph E 51%
Tonight 61°F Showers And Thunderstorms Likely 5 to 15 mph NE 74%
Sunday 64°F Chance Rain Showers then Mostly Cloudy 15 to 25 mph NE 26%
Sunday Night 52°F Mostly Cloudy 15 to 25 mph NE 2%
Monday 63°F Mostly Cloudy 15 mph NE 13%
Monday Night 51°F Cloudy 10 to 15 mph NE 9%
Tuesday 63°F Mostly Cloudy 10 to 15 mph NE 9%
Tuesday Night 52°F Partly Cloudy 10 to 15 mph NE 7%
Wednesday 63°F Mostly Sunny 10 to 15 mph NE 8%
Wednesday Night 53°F Mostly Cloudy 5 to 10 mph NE 4%
Thursday 64°F Mostly Sunny 5 to 10 mph NE 4%
Thursday Night 54°F Partly Cloudy 5 mph NE 4%
Friday 67°F Mostly Sunny 5 to 10 mph NE 5%
Friday Night 55°F Partly Cloudy 5 mph NE 4%

Forecast source: National Weather Service (api.weather.gov) for Bayside (43.183, -87.902). Updated through the day.

Growing snapshot for Bayside

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

More local growing data for Bayside: nearby ZIP 53217 weather · frost dates · planting calendar · Wisconsin frost dates

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Climate data from the nearest NOAA station, Mt Mary College, Wi (8.3 mi from Bayside). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.