Cornucopia, WI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Cornucopia, a community in Bayfield County, Wisconsin.
Overnight
54°F
Mostly Cloudy
Mostly cloudy, with a low around 54. East wind around 0 mph.
7-day forecast for Cornucopia
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 54°F | Mostly Cloudy | 0 mph | 8% |
| Saturday | 61°F | Mostly Cloudy | 5 mph NE | 7% |
| Saturday Night | 53°F | Mostly Cloudy | 0 to 10 mph NE | 4% |
| Sunday | 59°F | Partly Sunny | 10 to 15 mph NE | 2% |
| Sunday Night | 48°F | Mostly Cloudy | 5 to 10 mph E | 0% |
| Monday | 58°F | Mostly Sunny | 5 to 15 mph E | 0% |
| Monday Night | 45°F | Partly Cloudy | 5 to 10 mph E | 0% |
| Tuesday | 62°F | Sunny | 0 to 10 mph E | 0% |
| Tuesday Night | 46°F | Mostly Clear | 0 to 10 mph SE | 0% |
| Wednesday | 63°F | Sunny | 0 to 10 mph E | 0% |
| Wednesday Night | 48°F | Mostly Clear | 0 to 5 mph E | 1% |
| Thursday | 66°F | Mostly Sunny | 0 to 5 mph E | 2% |
| Thursday Night | 51°F | Partly Cloudy | 0 to 5 mph NE | 2% |
| Friday | 68°F | Mostly Sunny | 0 to 5 mph E | 2% |
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 Sep 19, 2026.