Windsor, WI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Windsor, a village in Dane County, Wisconsin.
Tonight
56°F
Light Rain
Rain. Cloudy, with a low around 56. South wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Windsor
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 56°F | Light Rain | 10 to 15 mph S | 80% |
| Wednesday | 59°F | Slight Chance Light Rain then Cloudy | 15 mph SW | 21% |
| Wednesday Night | 46°F | Cloudy then Chance Light Rain | 15 mph SW | 40% |
| Thursday | 52°F | Chance Light Rain | 10 to 15 mph W | 49% |
| Thursday Night | 38°F | Chance Light Rain then Mostly Cloudy | 10 to 15 mph N | 32% |
| Friday | 48°F | Slight Chance Light Rain then Partly Sunny | 5 to 15 mph N | 18% |
| Friday Night | 30°F | Partly Cloudy | 0 to 5 mph N | 3% |
| Saturday | 51°F | Mostly Sunny | 0 to 5 mph W | 1% |
| Saturday Night | 33°F | Partly Cloudy | 0 to 5 mph W | 8% |
| Sunday | 57°F | Slight Chance Light Rain | 5 to 10 mph W | 15% |
| Sunday Night | 34°F | Mostly Clear | 5 mph W | 6% |
| Monday | 59°F | Sunny | 5 to 15 mph SW | 1% |
| Monday Night | 38°F | Mostly Clear | 5 to 10 mph W | 1% |
| Tuesday | 59°F | Sunny | 5 to 10 mph W | 1% |
Forecast source: National Weather Service (api.weather.gov) for Windsor (43.246, -89.282). Updated through the day.
Growing snapshot for Windsor
Last spring frost
May 4
First fall frost
Oct 6
Growing season
154 days
Hardiness zone
5a
More local growing data for Windsor: nearby ZIP 53532 weather · frost dates · planting calendar · Wisconsin frost dates
Nearby towns & communities
Belleville
Black Earth
Blue Mounds
Cambridge
Cottage Grove
Cross Plains
Dane
Deerfield
DeForest
Fitchburg
Lake Ripley
Madison
Maple Bluff
Marshall
Mazomanie
McFarland
Middleton
Monona
Mount Horeb
Oregon
Rockdale
Shorewood Hills
Stoughton
Sun Prairie
Verona
Waunakee
Climate data from the nearest NOAA station, Arlington, Wi (3.9 mi from Windsor). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.