Polonia, WI Weather & Growing Conditions
This Afternoon
67°F
Chance Rain Showers
A chance of rain showers before 3pm, then patchy fog and scattered rain showers. Cloudy, with a high near 67. South wind around 14 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 67°F | Chance Rain Showers | 14 mph S | 62% |
| Tonight | 58°F | Rain Showers | 10 mph SSE | 89% |
| Wednesday | 62°F | Rain Showers | 9 to 14 mph S | 87% |
| Wednesday Night | 45°F | Rain Showers | 8 to 12 mph SW | 81% |
| Thursday | 51°F | Rain Showers | 7 to 14 mph NW | 90% |
| Thursday Night | 34°F | Chance Rain Showers then Mostly Cloudy | 14 mph N | 27% |
| Friday | 46°F | Partly Sunny | 6 to 13 mph N | 4% |
| Friday Night | 27°F | Partly Cloudy | 0 to 3 mph N | 1% |
| Saturday | 49°F | Mostly Sunny | 0 to 6 mph W | 0% |
| Saturday Night | 31°F | Partly Cloudy | 6 mph W | 12% |
| Sunday | 55°F | Slight Chance Rain Showers then Mostly Sunny | 6 to 12 mph WNW | 15% |
| Sunday Night | 32°F | Mostly Clear | 3 to 7 mph W | 3% |
| Monday | 56°F | Mostly Sunny | 5 to 13 mph WSW | 1% |
| Monday Night | 37°F | Partly Cloudy | 9 mph W | 0% |
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 Nov 3, 2026.