Lake Wisconsin, WI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Lake Wisconsin, a community in Columbia County, Wisconsin.
Today
60°F
Cloudy then Isolated Rain Showers
Isolated rain showers after 3pm. Cloudy. High near 60, with temperatures falling to around 53 in the afternoon. Southwest wind around 15 mph.
7-day forecast for Lake Wisconsin
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 60°F | Cloudy then Isolated Rain Showers | 15 mph SW | 14% |
| Tonight | 45°F | Rain Showers Likely | 10 to 15 mph SW | 59% |
| Thursday | 53°F | Rain Showers Likely then Slight Chance Light Rain | 10 mph W | 59% |
| Thursday Night | 37°F | Mostly Cloudy | 10 to 15 mph N | 11% |
| Friday | 48°F | Partly Sunny | 5 to 10 mph N | 2% |
| Friday Night | 29°F | Mostly Clear | 0 to 5 mph N | 0% |
| Saturday | 51°F | Sunny | 0 to 5 mph NW | 0% |
| Saturday Night | 33°F | Mostly Clear | 5 mph W | 2% |
| Sunday | 55°F | Sunny | 5 to 10 mph W | 5% |
| Sunday Night | 34°F | Mostly Clear | 0 to 5 mph W | 0% |
| Monday | 60°F | Mostly Sunny | 0 to 10 mph SW | 0% |
| Monday Night | 39°F | Mostly Clear | 5 to 10 mph W | 0% |
| Tuesday | 59°F | Sunny | 5 mph NW | 1% |
| Tuesday Night | 37°F | Partly Cloudy | 0 to 5 mph NW | 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 Nov 4, 2026.