Dekorra, WI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Dekorra, a community in Columbia County, Wisconsin.
Overnight
56°F
Light Rain
Rain. Cloudy, with a low around 56. South 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 |
|---|---|---|---|---|
| Overnight | 56°F | Light Rain | 10 mph S | 75% |
| Wednesday | 60°F | Slight Chance Light Rain | 10 to 15 mph S | 24% |
| Wednesday Night | 45°F | Light Rain Likely | 10 to 15 mph SW | 63% |
| Thursday | 53°F | Light Rain Likely | 10 mph W | 63% |
| Thursday Night | 37°F | Mostly Cloudy | 10 mph N | 11% |
| Friday | 47°F | Partly Sunny | 5 to 10 mph N | 3% |
| Friday Night | 29°F | Mostly Clear | 0 mph | 0% |
| Saturday | 50°F | Sunny | 0 to 5 mph NW | 0% |
| Saturday Night | 33°F | Mostly Clear | 0 to 5 mph W | 3% |
| Sunday | 56°F | Sunny | 5 to 10 mph W | 6% |
| 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 mph W | 0% |
| Tuesday | 59°F | Sunny | 5 mph NW | 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.