Lake Wisconsin, WI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Lake Wisconsin, a community in Columbia County, Wisconsin.
This Afternoon
66°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 5pm, then showers and thunderstorms likely. Cloudy, with a high near 66. East wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast for Lake Wisconsin
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 66°F | Chance Showers And Thunderstorms | 5 mph E | 62% |
| Tonight | 57°F | Showers And Thunderstorms | 5 to 10 mph NE | 78% |
| Sunday | 66°F | Mostly Cloudy | 10 to 15 mph NE | 12% |
| Sunday Night | 50°F | Mostly Cloudy | 10 to 15 mph NE | 4% |
| Monday | 63°F | Chance Rain Showers | 10 to 15 mph NE | 27% |
| Monday Night | 47°F | Chance Rain Showers | 5 to 10 mph NE | 27% |
| Tuesday | 62°F | Slight Chance Rain Showers then Partly Sunny | 5 to 10 mph NE | 24% |
| Tuesday Night | 44°F | Partly Cloudy | 5 to 10 mph NE | 4% |
| Wednesday | 66°F | Mostly Sunny | 5 to 10 mph NE | 1% |
| Wednesday Night | 47°F | Partly Cloudy | 0 to 5 mph NE | 1% |
| Thursday | 67°F | Mostly Sunny | 0 to 5 mph NE | 3% |
| Thursday Night | 48°F | Partly Cloudy | 0 to 5 mph NE | 3% |
| Friday | 71°F | Mostly Sunny | 0 to 5 mph NE | 4% |
| Friday Night | 49°F | Partly Cloudy | 0 to 5 mph NE | 2% |
Forecast source: National Weather Service (api.weather.gov) for Lake Wisconsin (43.365, -89.596). Updated through the day.
Growing snapshot for Lake Wisconsin
Last spring frost
May 1
First fall frost
Oct 10
Growing season
162 days
Hardiness zone
5a
More local growing data for Lake Wisconsin: nearby ZIP 53555 weather · frost dates · planting calendar · Wisconsin frost dates
Nearby towns & communities
Arlington
Cambria
Columbus
Dekorra
Doylestown
Fall River
Friesland
Lodi
Pardeeville
Portage
Poynette
Randolph
Rio
Wyocena
Climate data from the nearest NOAA station, Lodi, Wi (1.2 mi from Lake Wisconsin). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.