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
61°F
Showers And Thunderstorms
Showers and thunderstorms. Some of the storms could produce heavy rain. Cloudy, with a low around 61. Southeast wind around 15 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
7-day forecast for East Troy
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 61°F | Showers And Thunderstorms | 15 mph SE | 100% |
| Saturday | 70°F | Showers And Thunderstorms then Chance Showers And Thunderstorms | 5 to 15 mph SE | 100% |
| Saturday Night | 60°F | Showers And Thunderstorms | 5 to 10 mph E | 87% |
| Sunday | 64°F | Rain Showers Likely | 10 to 15 mph NE | 65% |
| Sunday Night | 52°F | Mostly Cloudy | 10 to 15 mph NE | 5% |
| Monday | 62°F | Cloudy | 10 to 15 mph NE | 13% |
| Monday Night | 48°F | Mostly Cloudy | 5 to 15 mph NE | 8% |
| Tuesday | 61°F | Partly Sunny | 5 to 15 mph NE | 8% |
| Tuesday Night | 48°F | Partly Cloudy | 5 to 10 mph NE | 4% |
| Wednesday | 63°F | Mostly Sunny | 5 to 10 mph NE | 4% |
| Wednesday Night | 49°F | Partly Cloudy | 0 to 10 mph NE | 1% |
| Thursday | 66°F | Mostly Sunny | 0 to 10 mph NE | 3% |
| Thursday Night | 50°F | Mostly Cloudy | 0 to 5 mph NE | 3% |
| Friday | 69°F | Mostly Sunny | 0 to 10 mph NE | 3% |
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
Nearby towns & communities
Allens Grove
Big Foot Prairie
Bloomfield
Como
Darien
Delavan
Delavan Lake
Elkhorn
Fontana-on-Geneva Lake
Genoa City
Lake Geneva
Lake Ivanhoe
Lake Lorraine
Lauderdale Lakes
Lyons
Powers Lake
Sharon
Springfield
Turtle Lake
Walworth
Whitewater
Williams Bay
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 Sep 19, 2026.