Port Wing, WI Weather & Growing Conditions
This Afternoon
62°F
Partly Sunny
Partly sunny, with a high near 62. Northeast wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 62°F | Partly Sunny | 5 mph NE | 3% |
| Tonight | 52°F | Mostly Cloudy then Slight Chance Rain Showers | 0 to 10 mph NE | 18% |
| Sunday | 62°F | Mostly Cloudy | 10 to 15 mph NE | 9% |
| Sunday Night | 46°F | Mostly Cloudy | 5 to 10 mph E | 11% |
| Monday | 59°F | Mostly Cloudy | 5 to 10 mph E | 11% |
| Monday Night | 40°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 E | 0% |
| Wednesday | 64°F | Sunny | 0 to 10 mph E | 0% |
| Wednesday Night | 46°F | Mostly Clear | 0 to 5 mph SE | 1% |
| Thursday | 66°F | Mostly Sunny then Slight Chance Rain Showers | 0 to 5 mph E | 15% |
| Thursday Night | 49°F | Slight Chance Rain Showers then Mostly Cloudy | 0 to 5 mph E | 15% |
| Friday | 70°F | Partly Sunny | 0 to 5 mph E | 4% |
| Friday Night | 51°F | Partly Cloudy | 0 mph | 3% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Port Wing, WI
Last spring frost
May 31
First fall frost
Oct 2
Growing season
123 days
Hardiness zone
5a
Explore more for Port Wing, WI: full frost dates · planting calendar · Wisconsin frost dates
Climate data from the nearest NOAA station, Port Wing, Wi (1.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.