Cornucopia, WI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Cornucopia, a community in Bayfield County, Wisconsin.
Today
75°F
Chance Showers And Thunderstorms then Mostly Sunny
A chance of showers and thunderstorms before 7am. Mostly sunny. High near 75, with temperatures falling to around 73 in the afternoon. West wind around 10 mph, with gusts as high as 25 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Cornucopia
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 75°F | Chance Showers And Thunderstorms then Mostly Sunny | 10 mph W | 33% |
| Tonight | 57°F | Partly Cloudy | 0 to 5 mph SW | 0% |
| Wednesday | 78°F | Sunny | 0 to 5 mph SW | 0% |
| Wednesday Night | 62°F | Partly Cloudy | 0 to 5 mph S | 0% |
| Thursday | 84°F | Sunny | 5 to 10 mph SW | 9% |
| Thursday Night | 67°F | Mostly Clear | 5 to 10 mph SW | 3% |
| Friday | 85°F | Sunny then Slight Chance Showers And Thunderstorms | 5 to 10 mph SW | 18% |
| Friday Night | 63°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 0 to 5 mph W | 35% |
| Saturday | 79°F | Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms | 0 to 5 mph W | 24% |
| Saturday Night | 62°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 0 to 5 mph NW | 39% |
| Sunday | 78°F | Chance Showers And Thunderstorms | 0 to 5 mph NW | 27% |
| Sunday Night | 61°F | Slight Chance Rain Showers then Partly Cloudy | 0 mph | 24% |
| Monday | 77°F | Slight Chance Rain Showers | 0 mph | 16% |
| Monday Night | 60°F | Slight Chance Rain Showers | 0 mph | 17% |
Forecast source: National Weather Service (api.weather.gov) for Cornucopia (46.857, -91.108). Updated through the day.
Growing snapshot for Cornucopia
Last spring frost
May 23
First fall frost
Oct 2
Growing season
131 days
Hardiness zone
4b
More local growing data for Cornucopia: nearby ZIP 54827 weather · frost dates · planting calendar · Wisconsin frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Bayfield Fish Hatchery, Wi (11.7 mi from Cornucopia). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.