Cornucopia, WI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Cornucopia, a community in Bayfield County, Wisconsin.
This Afternoon
63°F
Light Rain
Rain and patchy fog. Cloudy. High near 63, with temperatures falling to around 56 in the afternoon. North wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Cornucopia
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 63°F | Light Rain | 5 to 10 mph N | 79% |
| Tonight | 50°F | Rain | 10 to 15 mph NE | 82% |
| Wednesday | 52°F | Rain | 10 to 15 mph NE | 76% |
| Wednesday Night | 43°F | Light Rain | 10 to 20 mph N | 96% |
| Thursday | 45°F | Light Rain | 15 to 20 mph N | 77% |
| Thursday Night | 35°F | Mostly Cloudy | 10 to 15 mph NE | 6% |
| Friday | 40°F | Partly Sunny | 0 to 10 mph NE | 4% |
| Friday Night | 32°F | Partly Cloudy | 0 to 5 mph SE | 0% |
| Saturday | 47°F | Mostly Sunny | 5 to 10 mph SW | 1% |
| Saturday Night | 38°F | Partly Cloudy | 5 to 10 mph SW | 13% |
| Sunday | 50°F | Mostly Sunny | 10 to 15 mph W | 11% |
| Sunday Night | 39°F | Partly Cloudy | 5 to 10 mph SW | 3% |
| Monday | 51°F | Partly Sunny | 10 to 20 mph SW | 0% |
| Monday Night | 40°F | Partly Cloudy | 15 mph W | 0% |
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 Nov 3, 2026.