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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

WhenTempForecastWindPrecip
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.