Lake Ivanhoe, WI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Lake Ivanhoe, a community in Walworth County, Wisconsin.
Overnight
58°F
Mostly Clear
Mostly clear, with a low around 58. Southwest wind around 5 mph.
7-day forecast for Lake Ivanhoe
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 58°F | Mostly Clear | 5 mph SW | 0% |
| Tuesday | 83°F | Mostly Sunny | 5 to 10 mph SW | 3% |
| Tuesday Night | 67°F | Chance Showers And Thunderstorms | 5 to 10 mph SW | 81% |
| Wednesday | 75°F | Showers And Thunderstorms | 5 mph W | 77% |
| Wednesday Night | 60°F | Showers And Thunderstorms Likely | 0 to 5 mph NW | 61% |
| Thursday | 77°F | Chance Rain Showers then Partly Sunny | 0 to 5 mph NE | 37% |
| Thursday Night | 58°F | Partly Cloudy | 0 mph | 12% |
| Friday | 81°F | Mostly Sunny | 0 to 5 mph W | 2% |
| Friday Night | 62°F | Mostly Clear | 0 to 5 mph S | 6% |
| Saturday | 82°F | Mostly Sunny | 5 to 10 mph SW | 10% |
| Saturday Night | 67°F | Slight Chance Showers And Thunderstorms | 5 mph SW | 24% |
| Sunday | 84°F | Slight Chance Showers And Thunderstorms | 5 to 10 mph SW | 24% |
| Sunday Night | 66°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 5 mph SW | 46% |
| Monday | 82°F | Chance Rain Showers | 5 mph S | 45% |
Forecast source: National Weather Service (api.weather.gov) for Lake Ivanhoe (42.579, -88.336). Updated through the day.
Growing snapshot for Lake Ivanhoe
Last spring frost
Apr 30
First fall frost
Oct 13
Growing season
164 days
Hardiness zone
5b
More local growing data for Lake Ivanhoe: nearby ZIP 53128 weather · frost dates · planting calendar · Wisconsin frost dates
Nearby towns & communities
Allens Grove
Big Foot Prairie
Bloomfield
Como
Darien
Delavan
Delavan Lake
East Troy
Elkhorn
Fontana-on-Geneva Lake
Genoa City
Lake Geneva
Lake Lorraine
Lauderdale Lakes
Lyons
Powers Lake
Sharon
Springfield
Turtle Lake
Walworth
Whitewater
Williams Bay
Climate data from the nearest NOAA station, Pell Lake, Wi (0.3 mi from Lake Ivanhoe). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.