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Lake Wisconsin, WI Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Lake Wisconsin, a community in Columbia County, Wisconsin.

This Afternoon
66°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 5pm, then showers and thunderstorms likely. Cloudy, with a high near 66. East wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

7-day forecast for Lake Wisconsin

WhenTempForecastWindPrecip
This Afternoon 66°F Chance Showers And Thunderstorms 5 mph E 62%
Tonight 57°F Showers And Thunderstorms 5 to 10 mph NE 78%
Sunday 66°F Mostly Cloudy 10 to 15 mph NE 12%
Sunday Night 50°F Mostly Cloudy 10 to 15 mph NE 4%
Monday 63°F Chance Rain Showers 10 to 15 mph NE 27%
Monday Night 47°F Chance Rain Showers 5 to 10 mph NE 27%
Tuesday 62°F Slight Chance Rain Showers then Partly Sunny 5 to 10 mph NE 24%
Tuesday Night 44°F Partly Cloudy 5 to 10 mph NE 4%
Wednesday 66°F Mostly Sunny 5 to 10 mph NE 1%
Wednesday Night 47°F Partly Cloudy 0 to 5 mph NE 1%
Thursday 67°F Mostly Sunny 0 to 5 mph NE 3%
Thursday Night 48°F Partly Cloudy 0 to 5 mph NE 3%
Friday 71°F Mostly Sunny 0 to 5 mph NE 4%
Friday Night 49°F Partly Cloudy 0 to 5 mph NE 2%

Forecast source: National Weather Service (api.weather.gov) for Lake Wisconsin (43.365, -89.596). Updated through the day.

Growing snapshot for Lake Wisconsin

Last spring frost
May 1
First fall frost
Oct 10
Growing season
162 days
Hardiness zone
5a

More local growing data for Lake Wisconsin: nearby ZIP 53555 weather · frost dates · planting calendar · Wisconsin frost dates

Nearby towns & communities

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Climate data from the nearest NOAA station, Lodi, Wi (1.2 mi from Lake Wisconsin). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.