Lake Ivanhoe, WI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Lake Ivanhoe, a community in Walworth County, Wisconsin.
This Afternoon
71°F
Light Rain
Rain before 3pm, then rain and a slight chance of thunderstorms. Cloudy. High near 71, with temperatures falling to around 66 in the afternoon. South wind around 15 mph, with gusts as high as 35 mph. Chance of precipitation is 100%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Lake Ivanhoe
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 71°F | Light Rain | 15 mph S | 95% |
| Tonight | 57°F | Light Rain | 10 to 15 mph S | 84% |
| Wednesday | 62°F | Light Rain Likely | 10 to 15 mph S | 71% |
| Wednesday Night | 46°F | Chance Light Rain | 10 mph SW | 27% |
| Thursday | 55°F | Light Rain Likely | 5 to 10 mph SW | 59% |
| Thursday Night | 39°F | Chance Light Rain | 5 to 10 mph NW | 53% |
| Friday | 50°F | Slight Chance Light Rain | 5 to 10 mph N | 21% |
| Friday Night | 33°F | Mostly Cloudy | 0 to 5 mph NW | 4% |
| Saturday | 51°F | Mostly Sunny | 0 to 5 mph W | 3% |
| Saturday Night | 33°F | Partly Cloudy | 0 to 5 mph W | 8% |
| Sunday | 57°F | Mostly Sunny then Slight Chance Light Rain | 5 to 10 mph W | 18% |
| Sunday Night | 34°F | Mostly Clear | 5 mph W | 8% |
| Monday | 59°F | Mostly Sunny | 5 to 10 mph SW | 2% |
| Monday Night | 38°F | Mostly Clear | 5 to 10 mph W | 2% |
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 Nov 3, 2026.