Polonia, WI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Polonia, a community in Portage County, Wisconsin.
Tonight
53°F
Rain Showers
Rain showers before 1am, then showers and thunderstorms. Cloudy, with a low around 53. East wind around 14 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
7-day forecast for Polonia
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 53°F | Rain Showers | 14 mph E | 90% |
| Saturday | 63°F | Showers And Thunderstorms | 12 to 16 mph E | 85% |
| Saturday Night | 50°F | Rain Showers Likely | 12 mph NE | 66% |
| Sunday | 68°F | Slight Chance Rain Showers then Partly Sunny | 12 to 15 mph NE | 19% |
| Sunday Night | 44°F | Mostly Cloudy | 13 mph NE | 1% |
| Monday | 62°F | Mostly Cloudy | 14 mph ENE | 2% |
| Monday Night | 41°F | Mostly Cloudy | 8 to 12 mph ENE | 4% |
| Tuesday | 62°F | Partly Sunny | 8 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 | 3 mph W | 6% |
| Friday | 71°F | Mostly Sunny | 1 to 6 mph N | 5% |
Forecast source: National Weather Service (api.weather.gov) for Polonia (44.581, -89.411). Updated through the day.
Growing snapshot for Polonia
Last spring frost
May 4
First fall frost
Oct 7
Growing season
155 days
Hardiness zone
4b
More local growing data for Polonia: nearby ZIP 54423 weather · frost dates · planting calendar · Wisconsin frost dates
Nearby towns & communities
Almond
Amherst
Amherst Junction
Bancroft
Junction City
Nelsonville
Park Ridge
Plover
Rosholt
Stevens Point
Whiting
Climate data from the nearest NOAA station, Stevens Pt, Wi (9.1 mi from Polonia). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.