Dekorra, WI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Dekorra, a community in Columbia County, Wisconsin.
Tonight
56°F
Light Rain
Rain. Cloudy, with a low around 56. South wind around 10 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Dekorra
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 56°F | Light Rain | 10 mph S | 79% |
| Wednesday | 59°F | Chance Light Rain | 10 to 15 mph S | 28% |
| Wednesday Night | 46°F | Chance Light Rain | 10 to 15 mph SW | 51% |
| Thursday | 52°F | Chance Light Rain | 10 mph W | 42% |
| Thursday Night | 38°F | Chance Light Rain then Mostly Cloudy | 10 mph N | 27% |
| Friday | 48°F | Slight Chance Light Rain then Partly Sunny | 5 to 10 mph N | 17% |
| Friday Night | 30°F | Partly Cloudy | 0 mph | 2% |
| Saturday | 51°F | Mostly Sunny | 0 to 5 mph W | 1% |
| Saturday Night | 33°F | Partly Cloudy | 0 to 5 mph W | 7% |
| Sunday | 58°F | Slight Chance Light Rain | 5 to 10 mph W | 16% |
| Sunday Night | 35°F | Mostly Clear | 0 to 5 mph W | 5% |
| Monday | 59°F | Mostly Sunny | 5 to 10 mph SW | 1% |
| Monday Night | 39°F | Mostly Clear | 5 mph W | 1% |
| Tuesday | 59°F | Sunny | 5 to 10 mph W | 1% |
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 Nov 4, 2026.