Winter, WI Weather & Growing Conditions
Today
60°F
Light Rain Likely
Rain likely before 3pm, then rain likely and patchy fog. Cloudy. High near 60, with temperatures falling to around 54 in the afternoon. South wind around 5 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 60°F | Light Rain Likely | 5 mph S | 71% |
| Tonight | 37°F | Light Rain Likely | 0 to 10 mph W | 67% |
| Thursday | 46°F | Chance Light Rain then Slight Chance Light Snow | 10 to 15 mph N | 41% |
| Thursday Night | 26°F | Slight Chance Light Snow then Mostly Cloudy | 5 to 10 mph N | 20% |
| Friday | 43°F | Mostly Sunny | 0 to 5 mph N | 0% |
| Friday Night | 21°F | Partly Cloudy | 0 mph | 0% |
| Saturday | 46°F | Mostly Sunny | 0 to 5 mph SW | 0% |
| Saturday Night | 28°F | Partly Cloudy | 0 to 5 mph W | 2% |
| Sunday | 52°F | Sunny | 0 to 5 mph W | 1% |
| Sunday Night | 29°F | Partly Cloudy | 0 mph | 0% |
| Monday | 58°F | Mostly Sunny | 5 to 10 mph SW | 0% |
| Monday Night | 32°F | Mostly Clear | 0 to 5 mph W | 1% |
| Tuesday | 53°F | Mostly Sunny | 0 to 5 mph NW | 1% |
| Tuesday Night | 29°F | Partly Cloudy | 0 mph | 1% |
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 Nov 4, 2026.