Port Wing, WI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Port Wing, a community in Bayfield County, Wisconsin.
Overnight
53°F
Cloudy
Cloudy, with a low around 53. Northeast wind around 5 mph.
7-day forecast for Port Wing
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 53°F | Cloudy | 5 mph NE | 13% |
| Saturday | 61°F | Cloudy | 5 to 10 mph NE | 8% |
| Saturday Night | 52°F | Mostly Cloudy then Patchy Fog | 0 to 10 mph NE | 6% |
| Sunday | 60°F | Partly Sunny | 10 to 15 mph NE | 2% |
| Sunday Night | 47°F | Mostly Cloudy | 5 to 10 mph E | 0% |
| Monday | 59°F | Mostly Sunny | 5 to 15 mph E | 0% |
| Monday Night | 44°F | Partly Cloudy | 0 to 10 mph E | 0% |
| Tuesday | 63°F | Sunny | 0 to 10 mph E | 0% |
| Tuesday Night | 44°F | Mostly Clear | 0 to 10 mph SE | 0% |
| Wednesday | 64°F | Sunny | 0 to 10 mph E | 0% |
| Wednesday Night | 47°F | Mostly Clear | 0 to 10 mph E | 2% |
| Thursday | 66°F | Mostly Sunny | 0 to 5 mph E | 2% |
| Thursday Night | 49°F | Partly Cloudy | 0 to 5 mph E | 2% |
| Friday | 68°F | Mostly Sunny | 0 to 5 mph E | 3% |
Forecast source: National Weather Service (api.weather.gov) for Port Wing (46.776, -91.381). Updated through the day.
Growing snapshot for Port Wing
Last spring frost
May 31
First fall frost
Oct 2
Growing season
123 days
Hardiness zone
5a
More local growing data for Port Wing: nearby ZIP 54865 weather · frost dates · planting calendar · Wisconsin frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Port Wing, Wi (1.6 mi from Port Wing). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.