Harman US

Polonia, WI Weather & Growing Conditions

Overnight
54°F
Showers And Thunderstorms
Rain showers before 1am, then showers and thunderstorms. Cloudy, with a low around 54. East wind around 12 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

7-day forecast

WhenTempForecastWindPrecip
Overnight 54°F Showers And Thunderstorms 12 mph E 81%
Saturday 62°F Showers And Thunderstorms 12 to 16 mph E 80%
Saturday Night 49°F Rain Showers Likely 12 mph NE 66%
Sunday 67°F Slight Chance Rain Showers then Partly Sunny 14 mph NE 18%
Sunday Night 44°F Mostly Cloudy 13 mph NE 1%
Monday 61°F Mostly Cloudy 14 mph ENE 2%
Monday Night 41°F Mostly Cloudy 7 to 12 mph ENE 4%
Tuesday 62°F Partly Sunny 7 to 12 mph ENE 4%
Tuesday Night 42°F Partly Cloudy 5 to 9 mph ENE 3%
Wednesday 65°F Mostly Sunny 5 to 8 mph ENE 2%
Wednesday Night 45°F Partly Cloudy 1 to 6 mph ENE 2%
Thursday 69°F Mostly Sunny 5 mph ENE 5%
Thursday Night 47°F Partly Cloudy 0 to 3 mph WSW 6%
Friday 71°F Mostly Sunny 1 to 6 mph N 5%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Polonia, WI

Last spring frost
May 4
First fall frost
Oct 7
Growing season
155 days
Hardiness zone
4b

Explore more for Polonia, WI: full frost dates · planting calendar · Wisconsin frost dates

Climate data from the nearest NOAA station, Stevens Pt, Wi (9.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.