Winter, WI Weather & Growing Conditions
Today
60°F
Chance Rain Showers
A chance of rain showers and patchy fog before 3pm, then patchy fog and a slight chance of rain showers. Cloudy, with a high near 60. East wind around 5 mph, with gusts as high as 20 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 60°F | Chance Rain Showers | 5 mph E | 29% |
| Tonight | 47°F | Slight Chance Rain Showers then Patchy Fog | 5 mph NE | 16% |
| Sunday | 64°F | Partly Sunny | 5 to 10 mph NE | 1% |
| Sunday Night | 38°F | Mostly Cloudy | 5 to 10 mph NE | 0% |
| Monday | 62°F | Partly Sunny | 5 mph E | 0% |
| Monday Night | 37°F | Partly Cloudy | 0 to 5 mph NE | 1% |
| Tuesday | 65°F | Sunny | 0 to 5 mph E | 1% |
| Tuesday Night | 35°F | Mostly Clear | 0 mph | 1% |
| Wednesday | 68°F | Sunny | 0 to 5 mph SE | 0% |
| Wednesday Night | 38°F | Mostly Clear | 0 mph | 1% |
| Thursday | 70°F | Mostly Sunny | 0 to 5 mph SE | 3% |
| Thursday Night | 41°F | Partly Cloudy | 0 mph | 4% |
| Friday | 71°F | Mostly Sunny | 0 to 5 mph SE | 2% |
| Friday Night | 43°F | Partly Cloudy | 0 mph | 5% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Winter, WI
Last spring frost
May 19
First fall frost
Sep 27
Growing season
129 days
Hardiness zone
4a
Explore more for Winter, WI: full frost dates · planting calendar · Wisconsin frost dates
Climate data from the nearest NOAA station, Winter, Wi (5.4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.