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
63°F
Cloudy then Isolated Rain Showers
Isolated rain showers after noon. Cloudy. High near 63, with temperatures falling to around 53 in the afternoon. Southwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for East Troy
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 63°F | Cloudy then Isolated Rain Showers | 15 mph SW | 15% |
| Tonight | 44°F | Slight Chance Rain Showers | 10 to 15 mph SW | 16% |
| Thursday | 55°F | Chance Rain Showers then 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% |
| Tuesday Night | 37°F | Partly Cloudy | 0 to 5 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
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 Nov 4, 2026.