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East Troy, WI Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for East Troy, a village in Walworth County, Wisconsin.

Overnight
58°F
Light Rain
Rain. Cloudy, with a low around 58. South wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch possible.

7-day forecast for East Troy

WhenTempForecastWindPrecip
Overnight 58°F Light Rain 10 to 15 mph S 85%
Wednesday 61°F Chance Light Rain 10 to 15 mph SW 31%
Wednesday Night 44°F Cloudy then Slight Chance Light Rain 15 mph SW 16%
Thursday 55°F Chance Light Rain 10 to 15 mph W 50%
Thursday Night 37°F Chance Light Rain then Mostly Cloudy 10 mph N 33%
Friday 48°F Mostly Cloudy 10 to 15 mph N 8%
Friday Night 31°F Partly Cloudy 0 to 5 mph NW 0%
Saturday 50°F Sunny 0 to 5 mph NW 0%
Saturday Night 32°F Partly Cloudy 0 to 5 mph W 1%
Sunday 55°F Sunny 5 to 10 mph W 6%
Sunday Night 34°F Mostly Clear 0 to 5 mph W 0%
Monday 60°F Mostly Sunny 0 to 10 mph SW 0%
Monday Night 39°F Partly Cloudy 5 to 10 mph W 0%
Tuesday 60°F Sunny 5 to 10 mph NW 1%

Forecast source: National Weather Service (api.weather.gov) for East Troy (42.785, -88.396). Updated through the day.

Growing snapshot for East Troy

Last spring frost
May 5
First fall frost
Oct 10
Growing season
156 days
Hardiness zone
5b

More local growing data for East Troy: nearby ZIP 53120 weather · frost dates · planting calendar · Wisconsin frost dates

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Climate data from the nearest NOAA station, Rochester Wwtp, Wi (11 mi from East Troy). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.