Dekorra, WI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Dekorra, a community in Columbia County, Wisconsin.
Today
81°F
Partly Sunny then Chance Showers And Thunderstorms
A chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 81. Southwest wind 0 to 10 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Dekorra
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 81°F | Partly Sunny then Chance Showers And Thunderstorms | 0 to 10 mph SW | 36% |
| Tonight | 61°F | Chance Showers And Thunderstorms | 0 to 5 mph W | 74% |
| Wednesday | 76°F | Areas Of Fog then Partly Sunny | 0 to 5 mph W | 36% |
| Wednesday Night | 56°F | Partly Cloudy | 0 to 5 mph SW | 6% |
| Thursday | 77°F | Sunny | 0 to 5 mph S | 6% |
| Thursday Night | 58°F | Mostly Clear | 0 mph | 2% |
| Friday | 80°F | Sunny | 0 to 5 mph SW | 2% |
| Friday Night | 62°F | Mostly Clear | 5 mph SW | 6% |
| Saturday | 82°F | Mostly Sunny | 5 to 10 mph SW | 12% |
| Saturday Night | 66°F | Chance Showers And Thunderstorms | 5 to 10 mph SW | 31% |
| Sunday | 83°F | Chance Showers And Thunderstorms | 5 to 10 mph SW | 31% |
| Sunday Night | 64°F | Chance Showers And Thunderstorms | 0 to 5 mph SW | 51% |
| Monday | 81°F | Chance Rain Showers | 5 mph S | 48% |
| Monday Night | 64°F | Chance Showers And Thunderstorms | 0 to 5 mph NE | 39% |
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 Aug 4, 2026.