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
Scattered Showers And Thunderstorms
Scattered showers and thunderstorms before 5pm, then a chance of showers and thunderstorms. Cloudy, with a high near 66. East wind around 5 mph. Chance of precipitation is 30%. 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 | Scattered Showers And Thunderstorms | 5 mph E | 27% |
| Tonight | 57°F | Chance Showers And Thunderstorms | 5 to 10 mph NE | 62% |
| Sunday | 66°F | Isolated Rain Showers then Mostly Cloudy | 10 to 15 mph NE | 19% |
| Sunday Night | 50°F | Mostly Cloudy | 10 to 15 mph NE | 2% |
| Monday | 63°F | Mostly Cloudy then Slight Chance Rain Showers | 10 to 15 mph NE | 20% |
| Monday Night | 47°F | Slight Chance Rain Showers | 5 to 10 mph NE | 24% |
| Tuesday | 62°F | Slight Chance Rain Showers then Partly Sunny | 5 to 10 mph NE | 24% |
| Tuesday Night | 45°F | Partly Cloudy | 5 to 10 mph NE | 4% |
| Wednesday | 64°F | Mostly Sunny | 5 to 10 mph NE | 3% |
| Wednesday Night | 47°F | Partly Cloudy | 0 to 5 mph NE | 2% |
| Thursday | 68°F | Partly Sunny then Slight Chance Rain Showers | 0 to 5 mph NE | 15% |
| Thursday Night | 50°F | Slight Chance Rain Showers then Mostly Cloudy | 0 to 5 mph NE | 15% |
| Friday | 71°F | Partly Sunny | 0 to 5 mph NE | 5% |
| Friday Night | 50°F | Partly Cloudy | 0 mph | 5% |
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 20, 2026.