East Troy, WI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for East Troy, a village in Walworth County, Wisconsin.
Today
84°F
Mostly Sunny
Mostly sunny, with a high near 84. Southwest wind around 10 mph.
7-day forecast for East Troy
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 84°F | Mostly Sunny | 10 mph SW | 4% |
| Tonight | 66°F | Chance Showers And Thunderstorms | 5 to 10 mph SW | 85% |
| Wednesday | 75°F | Showers And Thunderstorms then Slight Chance Showers And Thunderstorms | 5 mph W | 79% |
| Wednesday Night | 60°F | Chance Showers And Thunderstorms | 0 to 5 mph N | 51% |
| Thursday | 79°F | Chance Rain Showers then Partly Sunny | 0 to 5 mph NE | 29% |
| Thursday Night | 58°F | Mostly Clear | 0 to 5 mph NE | 14% |
| Friday | 81°F | Mostly Sunny | 0 to 5 mph SW | 2% |
| Friday Night | 62°F | Mostly Clear | 0 to 5 mph SW | 6% |
| Saturday | 83°F | Mostly Sunny | 5 to 10 mph SW | 10% |
| Saturday Night | 67°F | Slight Chance Showers And Thunderstorms | 5 to 10 mph SW | 28% |
| Sunday | 84°F | Chance Showers And Thunderstorms | 10 mph SW | 28% |
| Sunday Night | 66°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 5 to 10 mph SW | 48% |
| Monday | 83°F | Chance Rain Showers | 5 to 10 mph S | 45% |
| Monday Night | 66°F | Chance Showers And Thunderstorms | 5 to 10 mph W | 46% |
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 Aug 4, 2026.