Lake Geneva, WI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Lake Geneva, a city in Walworth County, Wisconsin.
Overnight
58°F
Light Rain
Rain. Cloudy, with a low around 58. South wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Lake Geneva
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 58°F | Light Rain | 10 to 15 mph S | 87% |
| Wednesday | 61°F | Chance Light Rain | 10 to 15 mph SW | 31% |
| Wednesday Night | 44°F | Slight Chance Light Rain then Cloudy | 15 mph SW | 16% |
| Thursday | 54°F | Chance Light Rain | 10 to 15 mph W | 51% |
| Thursday Night | 37°F | Chance Light Rain then Mostly Cloudy | 5 to 10 mph N | 43% |
| Friday | 48°F | Mostly Cloudy | 5 to 10 mph N | 9% |
| 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 | Mostly Clear | 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 | 59°F | Mostly Sunny | 0 to 10 mph SW | 0% |
| Monday Night | 39°F | Partly Cloudy | 5 mph W | 1% |
| Tuesday | 60°F | Sunny | 5 mph NW | 1% |
Forecast source: National Weather Service (api.weather.gov) for Lake Geneva (42.583, -88.428). Updated through the day.
Growing snapshot for Lake Geneva
Last spring frost
Apr 25
First fall frost
Oct 21
Growing season
179 days
Hardiness zone
5b
More local growing data for Lake Geneva: nearby ZIP 53147 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 Ivanhoe
Lake Lorraine
Lauderdale Lakes
Lyons
Powers Lake
Sharon
Springfield
Turtle Lake
Walworth
Whitewater
Williams Bay
Climate data from the nearest NOAA station, Lake Geneva Wwtp, Wi (3.2 mi from Lake Geneva). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.