Lake Geneva, WI Weather & Growing Conditions
Overnight
61°F
Scattered Showers And Thunderstorms
Scattered showers and thunderstorms before 2am, then showers and thunderstorms. Some of the storms could produce heavy rain. Cloudy, with a low around 61. East wind 5 to 10 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 61°F | Scattered Showers And Thunderstorms | 5 to 10 mph E | 97% |
| Saturday | 71°F | Showers And Thunderstorms | 5 to 10 mph SE | 100% |
| Saturday Night | 60°F | Showers And Thunderstorms | 5 to 10 mph NE | 88% |
| Sunday | 65°F | Chance Rain Showers | 10 to 15 mph NE | 47% |
| Sunday Night | 54°F | Slight Chance Rain Showers then Mostly Cloudy | 10 to 15 mph NE | 19% |
| Monday | 62°F | Slight Chance Rain Showers | 10 to 15 mph NE | 24% |
| Monday Night | 50°F | Slight Chance Rain Showers then Mostly Cloudy | 10 to 15 mph NE | 15% |
| Tuesday | 60°F | Mostly Cloudy | 10 to 15 mph NE | 13% |
| Tuesday Night | 49°F | Partly Cloudy | 5 to 10 mph NE | 6% |
| Wednesday | 63°F | Partly Sunny | 5 to 10 mph NE | 6% |
| Wednesday Night | 51°F | Partly Cloudy | 0 to 5 mph NE | 2% |
| Thursday | 65°F | Mostly Sunny | 5 mph NE | 5% |
| Thursday Night | 50°F | Mostly Cloudy | 0 to 5 mph NE | 5% |
| Friday | 69°F | Mostly Sunny | 0 to 5 mph NE | 4% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Lake Geneva, WI
Last spring frost
Apr 25
First fall frost
Oct 21
Growing season
179 days
Hardiness zone
5b
Explore more for Lake Geneva, WI: full frost dates · planting calendar · Wisconsin frost dates
Climate data from the nearest NOAA station, Lake Geneva Wwtp, Wi (6.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.