Dekorra, WI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Dekorra, a community in Columbia County, Wisconsin.
This Afternoon
66°F
Rain Showers
Rain showers. Cloudy, with a high near 66. East wind around 10 mph. Chance of precipitation is 80%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Dekorra
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 66°F | Rain Showers | 10 mph E | 80% |
| Tonight | 57°F | Showers And Thunderstorms | 10 mph E | 95% |
| Saturday | 69°F | Showers And Thunderstorms | 5 to 10 mph E | 88% |
| Saturday Night | 55°F | Showers And Thunderstorms | 5 to 10 mph NE | 77% |
| Sunday | 66°F | Chance Rain Showers | 10 to 15 mph NE | 29% |
| Sunday Night | 50°F | Mostly Cloudy | 10 mph NE | 13% |
| Monday | 62°F | Slight Chance Rain Showers | 10 to 15 mph NE | 20% |
| Monday Night | 46°F | Slight Chance Rain Showers | 5 to 10 mph NE | 24% |
| Tuesday | 61°F | Slight Chance Rain Showers then Partly Sunny | 5 to 10 mph NE | 24% |
| Tuesday Night | 44°F | Partly Cloudy | 0 to 5 mph NE | 5% |
| Wednesday | 64°F | Mostly Sunny | 0 to 5 mph NE | 5% |
| Wednesday Night | 47°F | Partly Cloudy | 0 to 5 mph NE | 1% |
| Thursday | 68°F | Mostly Sunny | 0 to 5 mph NE | 5% |
| Thursday Night | 48°F | Partly Cloudy | 0 to 5 mph NE | 6% |
Forecast source: National Weather Service (api.weather.gov) for Dekorra (43.454, -89.460). Updated through the day.
Growing snapshot for Dekorra
Last spring frost
May 4
First fall frost
Oct 6
Growing season
154 days
Hardiness zone
5a
More local growing data for Dekorra: nearby ZIP 53955 weather · frost dates · planting calendar · Wisconsin frost dates
Nearby towns & communities
Arlington
Cambria
Columbus
Doylestown
Fall River
Friesland
Lake Wisconsin
Lodi
Pardeeville
Portage
Poynette
Randolph
Rio
Wyocena
Climate data from the nearest NOAA station, Arlington, Wi (7.1 mi from Dekorra). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.